# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from hashlib import sha256
import copy
import unittest
from unittest.mock import patch
from itertools import zip_longest
from lxml import etree as ET, html
from lxml.html import builder as h

from odoo.modules.module import _DEFAULT_MANIFEST
from odoo.tests import common, HttpCase, tagged


def attrs(**kwargs):
    return {'data-oe-%s' % key: str(value) for key, value in kwargs.items()}


class TestViewSavingCommon(common.TransactionCase):
    def _create_imd(self, view):
        xml_id = view.key.split('.')
        return self.env['ir.model.data'].create({
            'module': xml_id[0],
            'name': xml_id[1],
            'model': view._name,
            'res_id': view.id,
        })


class TestViewSaving(TestViewSavingCommon):

    def eq(self, a, b):
        self.assertEqual(a.tag, b.tag)
        self.assertEqual(a.attrib, b.attrib)
        self.assertEqual((a.text or '').strip(), (b.text or '').strip())
        self.assertEqual((a.tail or '').strip(), (b.tail or '').strip())
        for ca, cb in zip_longest(a, b):
            self.eq(ca, cb)

    def setUp(self):
        super(TestViewSaving, self).setUp()
        self.arch = h.DIV(
            h.DIV(
                h.H3("Column 1"),
                h.UL(
                    h.LI("Item 1"),
                    h.LI("Item 2"),
                    h.LI("Item 3"))),
            h.DIV(
                h.H3("Column 2"),
                h.UL(
                    h.LI("Item 1"),
                    h.LI(h.SPAN("My Company", attrs(model='res.company', id=1, field='name', type='char'))),
                    h.LI(h.SPAN("+00 00 000 00 0 000", attrs(model='res.company', id=1, field='phone', type='char')))
                ))
        )
        self.view_id = self.env['ir.ui.view'].create({
            'name': "Test View",
            'type': 'qweb',
            'key': 'website.test_view',
            'arch': ET.tostring(self.arch, encoding='unicode')
        })

    def test_embedded_extraction(self):
        fields = self.env['ir.ui.view'].extract_embedded_fields(self.arch)

        expect = [
            h.SPAN("My Company", attrs(model='res.company', id=1, field='name', type='char')),
            h.SPAN("+00 00 000 00 0 000", attrs(model='res.company', id=1, field='phone', type='char')),
        ]
        for actual, expected in zip_longest(fields, expect):
            self.eq(actual, expected)

    def test_embedded_save(self):
        embedded = h.SPAN("+00 00 000 00 0 000", attrs(
            model='res.company', id=1, field='phone', type='char'))

        self.env['ir.ui.view'].save_embedded_field(embedded)

        company = self.env['res.company'].browse(1)
        self.assertEqual(company.phone, "+00 00 000 00 0 000")

    @unittest.skip("save conflict for embedded (saved by third party or previous version in page) not implemented")
    def test_embedded_conflict(self):
        e1 = h.SPAN("My Company", attrs(model='res.company', id=1, field='name'))
        e2 = h.SPAN("Leeroy Jenkins", attrs(model='res.company', id=1, field='name'))

        View = self.env['ir.ui.view']

        View.save_embedded_field(e1)
        # FIXME: more precise exception
        with self.assertRaises(Exception):
            View.save_embedded_field(e2)

    def test_embedded_to_field_ref(self):
        View = self.env['ir.ui.view']
        embedded = h.SPAN("My Company", attrs(expression="bob"))
        self.eq(
            View.to_field_ref(embedded),
            h.SPAN({'t-field': 'bob'})
        )

    def test_to_field_ref_keep_attributes(self):
        View = self.env['ir.ui.view']

        att = attrs(expression="bob", model="res.company", id=1, field="name")
        att['id'] = "whop"
        att['class'] = "foo bar"
        embedded = h.SPAN("My Company", att)

        self.eq(View.to_field_ref(embedded), h.SPAN({'t-field': 'bob', 'class': 'foo bar', 'id': 'whop'}))

    def test_replace_arch(self):
        replacement = h.P("Wheee")

        result = self.view_id.replace_arch_section(None, replacement)

        self.eq(result, h.DIV("Wheee"))

    def test_replace_arch_2(self):
        replacement = h.DIV(h.P("Wheee"))

        result = self.view_id.replace_arch_section(None, replacement)

        self.eq(result, replacement)

    def test_fixup_arch(self):
        replacement = h.H1("I am the greatest title alive!")

        result = self.view_id.replace_arch_section('/div/div[1]/h3', replacement)

        self.eq(result, h.DIV(
            h.DIV(
                h.H3("I am the greatest title alive!"),
                h.UL(
                    h.LI("Item 1"),
                    h.LI("Item 2"),
                    h.LI("Item 3"))),
            h.DIV(
                h.H3("Column 2"),
                h.UL(
                    h.LI("Item 1"),
                    h.LI(h.SPAN("My Company", attrs(model='res.company', id=1, field='name', type='char'))),
                    h.LI(h.SPAN("+00 00 000 00 0 000", attrs(model='res.company', id=1, field='phone', type='char')))
                ))
        ))

    def test_multiple_xpath_matches(self):
        with self.assertRaises(ValueError):
            self.view_id.replace_arch_section('/div/div/h3', h.H6("Lol nope"))

    def test_save(self):
        Company = self.env['res.company']

        # create an xmlid for the view
        imd = self._create_imd(self.view_id)
        self.assertEqual(self.view_id.model_data_id, imd)
        self.assertFalse(imd.noupdate)

        replacement = ET.tostring(h.DIV(
            h.H3("Column 2"),
            h.UL(
                h.LI("wob wob wob"),
                h.LI(h.SPAN("Acme Corporation", attrs(model='res.company', id=1, field='name', expression="bob", type='char'))),
                h.LI(h.SPAN("+12 3456789", attrs(model='res.company', id=1, field='phone', expression="edmund", type='char'))),
            )
        ), encoding='unicode')

        self.view_id.with_context(website_id=1).save(value=replacement, xpath='/div/div[2]')
        self.assertFalse(imd.noupdate, "view's xml_id shouldn't be set to 'noupdate' in a website context as `save` method will COW")
        # remove newly created COW view so next `save()`` wont be redirected to COW view
        self.env['website'].with_context(website_id=1).viewref(self.view_id.key).unlink()

        self.view_id.save(value=replacement, xpath='/div/div[2]')

        # the xml_id of the view should be flagged as 'noupdate'
        self.assertTrue(imd.noupdate)

        company = Company.browse(1)
        self.assertEqual(company.name, "Acme Corporation")
        self.assertEqual(company.phone, "+12 3456789")
        self.eq(
            ET.fromstring(self.view_id.arch),
            h.DIV(
                h.DIV(
                    h.H3("Column 1"),
                    h.UL(
                        h.LI("Item 1"),
                        h.LI("Item 2"),
                        h.LI("Item 3"))),
                h.DIV(
                    h.H3("Column 2"),
                    h.UL(
                        h.LI("wob wob wob"),
                        h.LI(h.SPAN({'t-field': "bob"})),
                        h.LI(h.SPAN({'t-field': "edmund"}))
                    ))
            )
        )

    def test_save_escaped_text(self):
        """ Test saving html special chars in text nodes """
        view = self.env['ir.ui.view'].create({
            'arch': u'<t t-name="dummy"><p><h1>hello world</h1></p></t>',
            'type': 'qweb'
        })
        # script and style text nodes should not escaped client side
        replacement = u'<script>1 && "hello & world"</script>'
        view.save(replacement, xpath='/t/p/h1')
        self.assertIn(
            replacement.replace(u'&', u'&amp;'),
            view.arch,
            'inline script should be escaped server side'
        )
        self.assertIn(
            replacement,
            self.env['ir.qweb']._render(view.id),
            'inline script should not be escaped when rendering'
        )
        # common text nodes should be be escaped client side
        replacement = u'world &amp;amp; &amp;lt;b&amp;gt;cie'
        view.save(replacement, xpath='/t/p')
        self.assertIn(replacement, view.arch, 'common text node should not be escaped server side')
        self.assertIn(
            replacement,
            str(self.env['ir.qweb']._render(view.id)).replace(u'&', u'&amp;'),
            'text node characters wrongly unescaped when rendering'
        )

    def test_save_oe_structure_with_attr(self):
        """ Test saving oe_structure with attributes """
        view = self.env['ir.ui.view'].create({
            'arch': u'<t t-name="dummy"><div class="oe_structure" t-att-test="1" data-test="1" id="oe_structure_test"/></t>',
            'type': 'qweb'
        }).with_context(website_id=1, load_all_views=True)
        replacement = u'<div class="oe_structure" data-test="1" id="oe_structure_test" data-oe-id="55" test="2">hello</div>'
        view.save(replacement, xpath='/t/div')
        # branding data-oe-* should be stripped
        self.assertIn(
            '<div class="oe_structure" data-test="1" id="oe_structure_test" test="2">hello</div>',
            view.get_combined_arch(),
            'saved element attributes are saved excluding branding ones'
        )

    def test_save_only_embedded(self):
        Company = self.env['res.company']
        company_id = 1
        company = Company.browse(company_id)
        company.write({'name': "Foo Corporation"})

        node = html.tostring(h.SPAN(
            "Acme Corporation",
            attrs(model='res.company', id=company_id, field="name", expression='bob', type='char')),
            encoding='unicode')
        View = self.env['ir.ui.view']
        View.browse(company_id).save(value=node)
        self.assertEqual(company.name, "Acme Corporation")

    def test_field_tail(self):
        replacement = ET.tostring(
            h.LI(h.SPAN("+12 3456789", attrs(
                        model='res.company', id=1, type='char',
                        field='phone', expression="edmund")),
                 "whop whop"
                 ), encoding="utf-8")
        self.view_id.save(value=replacement, xpath='/div/div[2]/ul/li[3]')

        self.eq(
            ET.fromstring(self.view_id.arch.encode('utf-8')),
            h.DIV(
                h.DIV(
                    h.H3("Column 1"),
                    h.UL(
                        h.LI("Item 1"),
                        h.LI("Item 2"),
                        h.LI("Item 3"))),
                h.DIV(
                    h.H3("Column 2"),
                    h.UL(
                        h.LI("Item 1"),
                        h.LI(h.SPAN("My Company", attrs(model='res.company', id=1, field='name', type='char'))),
                        h.LI(h.SPAN({'t-field': "edmund"}), "whop whop"),
                    ))
            )
        )


@tagged('-at_install', 'post_install')
class TestCowViewSaving(TestViewSavingCommon):
    def setUp(self):
        super(TestCowViewSaving, self).setUp()
        View = self.env['ir.ui.view']

        self.base_view = View.create({
            'name': 'Base',
            'type': 'qweb',
            'arch': '<div>base content</div>',
            'key': 'website.base_view',
        }).with_context(load_all_views=True)

        self.inherit_view = View.create({
            'name': 'Extension',
            'mode': 'extension',
            'inherit_id': self.base_view.id,
            'arch': '<div position="inside">, extended content</div>',
            'key': 'website.extension_view',
        })

    def test_cow_on_base_after_extension(self):
        View = self.env['ir.ui.view']
        self.inherit_view.with_context(website_id=1).write({'name': 'Extension Specific'})
        v1 = self.base_view
        v2 = self.inherit_view
        v3 = View.search([('website_id', '=', 1), ('name', '=', 'Extension Specific')])
        v4 = self.inherit_view.copy({'name': 'Second Extension'})
        v5 = self.inherit_view.copy({'name': 'Third Extension (Specific)'})
        v5.write({'website_id': 1})

        # id | name                        | website_id | inherit  | key
        # ------------------------------------------------------------------------
        # 1  | Base                        |     /      |     /    |  website.base_view
        # 2  | Extension                   |     /      |     1    |  website.extension_view
        # 3  | Extension Specific          |     1      |     1    |  website.extension_view
        # 4  | Second Extension            |     /      |     1    |  website.extension_view_a5f579d5 (generated hash)
        # 5  | Third Extension (Specific)  |     1      |     1    |  website.extension_view_5gr87e6c (another generated hash)

        self.assertEqual(v2.key == v3.key, True, "Making specific a generic inherited view should copy it's key (just change the website_id)")
        self.assertEqual(v3.key != v4.key != v5.key, True, "Copying a view should generate a new key for the new view (not the case when triggering COW)")
        self.assertEqual('website.extension_view' in v3.key and 'website.extension_view' in v4.key and 'website.extension_view' in v5.key, True, "The copied views should have the key from the view it was copied from but with an unique suffix")

        total_views = View.search_count([])
        v1.with_context(website_id=1).write({'name': 'Base Specific'})

        # id | name                        | website_id | inherit  | key
        # ------------------------------------------------------------------------
        # 1  | Base                        |     /      |     /    |  website.base_view
        # 2  | Extension                   |     /      |     1    |  website.extension_view
        # 3 - DELETED
        # 4  | Second Extension            |     /      |     1    |  website.extension_view_a5f579d5
        # 5 - DELETED
        # 6  | Base Specific               |     1      |     /    |  website.base_view
        # 7  | Extension Specific          |     1      |     6    |  website.extension_view
        # 8  | Second Extension            |     1      |     6    |  website.extension_view_a5f579d5
        # 9  | Third Extension (Specific)  |     1      |     6    |  website.extension_view_5gr87e6c

        v6 = View.search([('website_id', '=', 1), ('name', '=', 'Base Specific')])
        v7 = View.search([('website_id', '=', 1), ('name', '=', 'Extension Specific')])
        v8 = View.search([('website_id', '=', 1), ('name', '=', 'Second Extension')])
        v9 = View.search([('website_id', '=', 1), ('name', '=', 'Third Extension (Specific)')])

        self.assertEqual(total_views + 4 - 2, View.search_count([]), "It should have duplicated the view tree with a website_id, taking only most specific (only specific `b` key), and removing website_specific from generic tree")
        self.assertEqual(len((v3 + v5).exists()), 0, "v3 and v5 should have been deleted as they were already specific and copied to the new specific base")
        # Check generic tree
        self.assertEqual((v1 + v2 + v4).mapped('website_id').ids, [])
        self.assertEqual((v2 + v4).mapped('inherit_id'), v1)
        # Check specific tree
        self.assertEqual((v6 + v7 + v8 + v9).mapped('website_id').ids, [1])
        self.assertEqual((v7 + v8 + v9).mapped('inherit_id'), v6)
        # Check key
        self.assertEqual(v6.key == v1.key, True)
        self.assertEqual(v7.key == v2.key, True)
        self.assertEqual(v4.key == v8.key, True)
        self.assertEqual(View.search_count([('key', '=', v9.key)]), 1)

    def test_cow_leaf(self):
        View = self.env['ir.ui.view']

        # edit on backend, regular write
        self.inherit_view.write({'arch': '<div position="replace"><div>modified content</div></div>'})
        self.assertEqual(View.search_count([('key', '=', 'website.base_view')]), 1)
        self.assertEqual(View.search_count([('key', '=', 'website.extension_view')]), 1)

        arch = self.base_view.get_combined_arch()
        self.assertEqual(arch, '<div>modified content</div>')

        # edit on frontend, copy just the leaf
        self.inherit_view.with_context(website_id=1).write({'arch': '<div position="replace"><div>website 1 content</div></div>'})
        inherit_views = View.search([('key', '=', 'website.extension_view')])
        self.assertEqual(View.search_count([('key', '=', 'website.base_view')]), 1)
        self.assertEqual(len(inherit_views), 2)
        self.assertEqual(len(inherit_views.filtered(lambda v: v.website_id.id == 1)), 1)

        # read in backend should be unaffected
        arch = self.base_view.get_combined_arch()
        self.assertEqual(arch, '<div>modified content</div>')
        # read on website should reflect change
        arch = self.base_view.with_context(website_id=1).get_combined_arch()
        self.assertEqual(arch, '<div>website 1 content</div>')

        # website-specific inactive view should take preference over active generic one when viewing the website
        # this is necessary to make customize_show=True templates work correctly
        inherit_views.filtered(lambda v: v.website_id.id == 1).write({'active': False})
        arch = self.base_view.with_context(website_id=1).get_combined_arch()
        self.assertEqual(arch, '<div>base content</div>')

    def test_cow_root(self):
        View = self.env['ir.ui.view']

        # edit on backend, regular write
        self.base_view.write({'arch': '<div>modified base content</div>'})
        self.assertEqual(View.search_count([('key', '=', 'website.base_view')]), 1)
        self.assertEqual(View.search_count([('key', '=', 'website.extension_view')]), 1)

        # edit on frontend, copy the entire tree
        self.base_view.with_context(website_id=1).write({'arch': '<div>website 1 content</div>'})

        generic_base_view = View.search([('key', '=', 'website.base_view'), ('website_id', '=', False)])
        website_specific_base_view = View.search([('key', '=', 'website.base_view'), ('website_id', '=', 1)])
        self.assertEqual(len(generic_base_view), 1)
        self.assertEqual(len(website_specific_base_view), 1)

        inherit_views = View.search([('key', '=', 'website.extension_view')])
        self.assertEqual(len(inherit_views), 2)
        self.assertEqual(len(inherit_views.filtered(lambda v: v.website_id.id == 1)), 1)

        arch = generic_base_view.with_context(load_all_views=True).get_combined_arch()
        self.assertEqual(arch, '<div>modified base content, extended content</div>')

        arch = website_specific_base_view.with_context(load_all_views=True, website_id=1).get_combined_arch()
        self.assertEqual(arch, '<div>website 1 content, extended content</div>')

    # # As there is a new SQL constraint that prevent QWeb views to have an empty `key`, this test won't work
    # def test_cow_view_without_key(self):
    #     # Remove key for this test
    #     self.base_view.key = False
    #
    #     View = self.env['ir.ui.view']
    #
    #     # edit on backend, regular write
    #     self.base_view.write({'arch': '<div>modified base content</div>'})
    #     self.assertEqual(self.base_view.key, False, "Writing on a keyless view should not set a key on it if there is no website in context")
    #
    #     # edit on frontend, copy just the leaf
    #     self.base_view.with_context(website_id=1).write({'arch': '<div position="replace"><div>website 1 content</div></div>'})
    #     self.assertEqual('website.key_' in self.base_view.key, True, "Writing on a keyless view should set a key on it if there is a website in context")
    #     total_views_with_key = View.search_count([('key', '=', self.base_view.key)])
    #     self.assertEqual(total_views_with_key, 2, "It should have set the key on generic view then copy to specific view (with they key)")

    def test_cow_generic_view_with_already_existing_specific(self):
        """ Writing on a generic view should check if a website specific view already exists
            (The flow of this test will happen when editing a generic view in the front end and changing more than one element)
        """
        # 1. Test with calling write directly
        View = self.env['ir.ui.view']

        base_view = View.create({
            'name': 'Base',
            'type': 'qweb',
            'arch': '<div>content</div>',
        })

        total_views = View.with_context(active_test=False).search_count([])
        base_view.with_context(website_id=1).write({'name': 'New Name'})  # This will not write on `base_view` but will copy it to a specific view on which the `name` change will be applied
        specific_view = View.search([['name', '=', 'New Name'], ['website_id', '=', 1]])
        base_view.with_context(website_id=1).write({'name': 'Another New Name'})
        specific_view.active = False
        base_view.with_context(website_id=1).write({'name': 'Yet Another New Name'})
        self.assertEqual(total_views + 1, View.with_context(active_test=False).search_count([]), "Subsequent writes should have written on the view copied during first write")

        # 2. Test with calling save() from ir.ui.view
        view_arch = '''<t name="Second View" t-name="website.second_view">
                          <t t-call="website.layout">
                            <div id="wrap">
                              <div class="editable_part"/>
                              <div class="container">
                                  <h1>Second View</h1>
                              </div>
                              <div class="editable_part"/>
                            </div>
                          </t>
                       </t>'''
        second_view = View.create({
            'name': 'Base',
            'type': 'qweb',
            'arch': view_arch,
        })

        total_views = View.with_context(active_test=False).search_count([])
        second_view.with_context(website_id=1).save('<div class="editable_part" data-oe-id="%s" data-oe-xpath="/t[1]/t[1]/div[1]/div[1]" data-oe-field="arch" data-oe-model="ir.ui.view">First editable_part</div>' % second_view.id, "/t[1]/t[1]/div[1]/div[1]")
        second_view.with_context(website_id=1).save('<div class="editable_part" data-oe-id="%s" data-oe-xpath="/t[1]/t[1]/div[1]/div[3]" data-oe-field="arch" data-oe-model="ir.ui.view">Second editable_part</div>' % second_view.id, "/t[1]/t[1]/div[1]/div[3]")
        self.assertEqual(total_views + 1, View.with_context(active_test=False).search_count([]), "Second save should have written on the view copied during first save")

        total_specific_view = View.with_context(active_test=False).search_count([('arch_db', 'like', 'First editable_part'), ('arch_db', 'like', 'Second editable_part')])
        self.assertEqual(total_specific_view, 1, "both editable_part should have been replaced on a created specific view")

    def test_cow_complete_flow(self):
        View = self.env['ir.ui.view']
        total_views = View.search_count([])

        self.base_view.write({'arch': '<div>Hi</div>'})
        self.inherit_view.write({'arch': '<div position="inside"> World</div>'})

        # id | name      | content | website_id | inherit  | key
        # -------------------------------------------------------
        # 1  | Base      |  Hi     |     /      |     /    |  website.base_view
        # 2  | Extension |  World  |     /      |     1    |  website.extension_view

        arch = self.base_view.with_context(website_id=1).get_combined_arch()
        self.assertIn('Hi World', arch)

        self.base_view.write({'arch': '<div>Hello</div>'})

        # id | name      | content | website_id | inherit  | key
        # -------------------------------------------------------
        # 1  | Base      |  Hello  |     /      |     /    |  website.base_view
        # 2  | Extension |  World  |     /      |     1    |  website.extension_view

        arch = self.base_view.with_context(website_id=1).get_combined_arch()
        self.assertIn('Hello World', arch)

        self.base_view.with_context(website_id=1).write({'arch': '<div>Bye</div>'})

        # id | name      | content | website_id | inherit  | key
        # -------------------------------------------------------
        # 1  | Base      |  Hello  |     /      |     /    |  website.base_view
        # 3  | Base      |  Bye    |     1      |     /    |  website.base_view
        # 2  | Extension |  World  |     /      |     1    |  website.extension_view
        # 4  | Extension |  World  |     1      |     3    |  website.extension_view

        base_specific = View.search([('key', '=', self.base_view.key), ('website_id', '=', 1)]).with_context(load_all_views=True)
        extend_specific = View.search([('key', '=', self.inherit_view.key), ('website_id', '=', 1)])
        self.assertEqual(total_views + 2, View.search_count([]), "Should have copied Base & Extension with a website_id")
        self.assertEqual(self.base_view.key, base_specific.key)
        self.assertEqual(self.inherit_view.key, extend_specific.key)

        extend_specific.write({'arch': '<div position="inside"> All</div>'})

        # id | name      | content | website_id | inherit  | key
        # -------------------------------------------------------
        # 1  | Base      |  Hello  |     /      |     /    |  website.base_view
        # 3  | Base      |  Bye    |     1      |     /    |  website.base_view
        # 2  | Extension |  World  |     /      |     1    |  website.extension_view
        # 4  | Extension |  All    |     1      |     3    |  website.extension_view

        arch = base_specific.with_context(website_id=1).get_combined_arch()
        self.assertEqual('Bye All' in arch, True)

        self.inherit_view.with_context(website_id=1).write({'arch': '<div position="inside"> Nobody</div>'})

        # id | name      | content | website_id | inherit  | key
        # -------------------------------------------------------
        # 1  | Base      |  Hello  |     /      |     /    |  website.base_view
        # 3  | Base      |  Bye    |     1      |     /    |  website.base_view
        # 2  | Extension |  World  |     /      |     1    |  website.extension_view
        # 4  | Extension |  Nobody |     1      |     3    |  website.extension_view

        arch = base_specific.with_context(website_id=1).get_combined_arch()
        self.assertEqual('Bye Nobody' in arch, True, "Write on generic `inherit_view` should have been diverted to already existing specific view")

        base_arch = self.base_view.get_combined_arch()
        base_arch_w1 = self.base_view.with_context(website_id=1).get_combined_arch()
        self.assertEqual('Hello World' in base_arch, True)
        self.assertEqual(base_arch, base_arch_w1, "Reading a top level view with or without a website_id in the context should render that exact view..")  # ..even if there is a specific view for that one, as get_combined_arch is supposed to render specific inherited view over generic but not specific top level instead of generic top level

    def test_cow_cross_inherit(self):
        View = self.env['ir.ui.view']
        total_views = View.search_count([])

        main_view = View.create({
            'name': 'Main View',
            'type': 'qweb',
            'arch': '<body>GENERIC<div>A</div></body>',
            'key': 'website.main_view',
        }).with_context(load_all_views=True)

        View.create({
            'name': 'Child View',
            'mode': 'extension',
            'inherit_id': main_view.id,
            'arch': '<xpath expr="//div" position="replace"><div>VIEW<p>B</p></div></xpath>',
            'key': 'website.child_view',
        })

        child_view_2 = View.with_context(load_all_views=True).create({
            'name': 'Child View 2',
            'mode': 'extension',
            'inherit_id': main_view.id,
            'arch': '<xpath expr="//p" position="replace"><span>C</span></xpath>',
            'key': 'website.child_view_2',
        })

        # These line doing `write()` are the real tests, it should not be changed and should not crash on xpath.
        child_view_2.with_context(website_id=1).write({'arch': '<xpath expr="//p" position="replace"><span>D</span></xpath>'})
        self.assertEqual(total_views + 3 + 1, View.search_count([]), "It should have created the 3 initial generic views and created a child_view_2 specific view")
        main_view.with_context(website_id=1).write({'arch': '<body>SPECIFIC<div>Z</div></body>'})
        self.assertEqual(total_views + 3 + 3, View.search_count([]), "It should have duplicated the Main View tree as a specific tree and then removed the specific view from the generic tree as no more needed")

        generic_view = View.with_context(website_id=None)._get_view_id('website.main_view')
        specific_view = View.with_context(website_id=1)._get_view_id('website.main_view')
        generic_view_arch = View.browse(generic_view).with_context(load_all_views=True).get_combined_arch()
        specific_view_arch = View.browse(specific_view).with_context(load_all_views=True, website_id=1).get_combined_arch()
        self.assertEqual(generic_view_arch, '<body>GENERIC<div>VIEW<span>C</span></div></body>')
        self.assertEqual(specific_view_arch, '<body>SPECIFIC<div>VIEW<span>D</span></div></body>', "Writing on top level view hierarchy with a website in context should write on the view and clone it's inherited views")

    def test_multi_website_view_obj_active(self):
        ''' With the following structure:
            * A generic active parent view
            * A generic active child view, that is inactive on website 1
            The methods to retrieve views should return the specific inactive
            child over the generic active one.
        '''
        View = self.env['ir.ui.view']
        self.inherit_view.with_context(website_id=1).write({'active': False})

        # Test _view_obj() return the inactive specific over active generic
        inherit_view = View._view_obj(self.inherit_view.key)
        self.assertEqual(inherit_view.active, True, "_view_obj should return the generic one")
        inherit_view = View.with_context(website_id=1)._view_obj(self.inherit_view.key)
        self.assertEqual(inherit_view.active, False, "_view_obj should return the specific one")

        # Test get_related_views() return the inactive specific over active generic
        # Note that we cannot test get_related_views without a website in context as it will fallback on a website with get_current_website()
        views = View.with_context(website_id=1).get_related_views(self.base_view.key)
        self.assertEqual(views.mapped('active'), [True, False], "get_related_views should return the specific child")

        # Test filter_duplicate() return the inactive specific over active generic
        view = View.with_context(active_test=False).search([('key', '=', self.inherit_view.key)]).filter_duplicate()
        self.assertEqual(view.active, True, "filter_duplicate should return the generic one")
        view = View.with_context(active_test=False, website_id=1).search([('key', '=', self.inherit_view.key)]).filter_duplicate()
        self.assertEqual(view.active, False, "filter_duplicate should return the specific one")

    def test_get_related_views_tree(self):
        View = self.env['ir.ui.view']

        self.base_view.write({'name': 'B', 'key': 'B'})
        self.inherit_view.write({'name': 'I', 'key': 'I'})
        View.create({
            'name': 'II',
            'mode': 'extension',
            'inherit_id': self.inherit_view.id,
            'arch': '<div position="inside">, sub ext</div>',
            'key': 'II',
        })

        #  B
        #  |
        #  I
        #  |
        #  II

        # First, test that children of inactive children are not returned (not multiwebsite related)
        self.inherit_view.active = False
        views = View.get_related_views('B')
        self.assertEqual(views.mapped('key'), ['B', 'I'], "As 'I' is inactive, 'II' (its own child) should not be returned.")
        self.inherit_view.active = True

        # Second, test multi-website
        self.inherit_view.with_context(website_id=1).write({'name': 'Extension'})  # Trigger cow on hierarchy
        View.create({
            'name': 'II2',
            'mode': 'extension',
            'inherit_id': self.inherit_view.id,
            'arch': '<div position="inside">, sub sibling specific</div>',
            'key': 'II2',
        })

        #       B
        #      / \
        #     /   \
        #    I     I'
        #   / \     |
        # II  II2   II'

        views = View.with_context(website_id=1).get_related_views('B')
        self.assertEqual(views.mapped('key'), ['B', 'I', 'II'], "Should only return the specific tree")

    def test_get_related_views_tree_recursive_t_call_and_inherit_inactive(self):
        """ If a view A was doing a t-call on a view B and view B had view C as child.
            And view A had view D as child.
            And view D also t-call view B (that as mentionned above has view C as child).
            And view D was inactive (`d` in bellow schema).

            Then COWing C to set it as inactive would make `get_related_views()` on A to return
            both generic active C and COW inactive C.
            (Typically the case for Customize show on /shop for Wishlist, compare..)
            See commit message for detailed explanation.
        """
        # A -> B
        # |    ^ \
        # |    |  C
        # d ___|

        View = self.env['ir.ui.view']
        Website = self.env['website']

        products = View.create({
            'name': 'Products',
            'type': 'qweb',
            'key': '_website_sale.products',
            'arch': '''
                <div id="products_grid">
                    <t t-call="_website_sale.products_item"/>
                </div>
        ''',
        })

        products_item = View.create({
            'name': 'Products item',
            'type': 'qweb',
            'key': '_website_sale.products_item',
            'arch': '''
                <div class="product_price"/>
            ''',
        })

        add_to_wishlist = View.create({
            'name': 'Wishlist',
            'active': True,
            'customize_show': True,
            'inherit_id': products_item.id,
            'key': '_website_sale_wishlist.add_to_wishlist',
            'arch': '''
                <xpath expr="//div[hasclass('product_price')]" position="inside"></xpath>
            ''',
        })

        products_list_view = View.create({
            'name': 'List View',
            'active': False,  # <- That's the reason of why this behavior needed a fix
            'customize_show': True,
            'inherit_id': products.id,
            'key': '_website_sale.products_list_view',
            'arch': '''
                <div id="products_grid" position="replace">
                    <t t-call="_website_sale.products_item"/>
                </div>
            ''',
        })

        views = View.with_context(website_id=1).get_related_views('_website_sale.products')
        self.assertEqual(views, products + products_item + add_to_wishlist + products_list_view, "The four views should be returned.")
        add_to_wishlist.with_context(website_id=1).write({'active': False})  # Trigger cow on hierarchy
        add_to_wishlist_cow = Website.with_context(website_id=1).viewref(add_to_wishlist.key)
        views = View.with_context(website_id=1).get_related_views('_website_sale.products')
        self.assertEqual(views, products + products_item + add_to_wishlist_cow + products_list_view, "The generic wishlist view should have been replaced by the COW one.")

    def test_cow_inherit_children_order(self):
        """ COW method should loop on inherit_children_ids in correct order
            when copying them on the new specific tree.
            Correct order is the same as the one when applying view arch:
            PRIORITY, ID
            And not the default one from ir.ui.view (NAME, PRIORITY, ID).
        """
        self.inherit_view.copy({
            'name': 'alphabetically before "Extension"',
            'key': '_test.alphabetically_first',
            'arch': '<div position="replace"><p>COMPARE</p></div>',
        })
        # Next line should not crash, COW loop on inherit_children_ids should be sorted correctly
        self.base_view.with_context(website_id=1).write({'name': 'Product (W1)'})

    def test_write_order_vs_cow_inherit_children_order(self):
        """ When both a specific inheriting view and a non-specific base view
            are written simultaneously, the specific inheriting base view
            must be updated even though its id will change during the COW of
            the base view.
        """
        View = self.env['ir.ui.view']
        self.inherit_view.with_context(website_id=1).write({'name': 'Specific Inherited View Changed First'})
        specific_view = View.search([('name', '=', 'Specific Inherited View Changed First')])
        views = View.browse([self.base_view.id, specific_view.id])
        views.with_context(website_id=1).write({'active': False})
        new_specific_view = View.search([('name', '=', 'Specific Inherited View Changed First')])
        self.assertTrue(specific_view.id != new_specific_view.id, "Should have a new id")
        self.assertFalse(new_specific_view.active, "Should have been deactivated")

    def test_write_order_vs_cow_inherit_children_order_alt(self):
        """ Same as the previous test, but requesting the update in the
            opposite order.
        """
        View = self.env['ir.ui.view']
        self.inherit_view.with_context(website_id=1).write({'name': 'Specific Inherited View Changed First'})
        specific_view = View.search([('name', '=', 'Specific Inherited View Changed First')])
        views = View.browse([specific_view.id, self.base_view.id])
        views.with_context(website_id=1).write({'active': False})
        new_specific_view = View.search([('name', '=', 'Specific Inherited View Changed First')])
        self.assertTrue(specific_view.id != new_specific_view.id, "Should have a new id")
        self.assertFalse(new_specific_view.active, "Should have been deactivated")

    def test_module_new_inherit_view_on_parent_already_forked(self):
        """ If a generic parent view is copied (COW) and that another module
            creates a child view for that generic parent, all the COW views
            should also get a copy of that new child view.

            Typically, a parent view (website_sale.product) is copied (COW)
            and then wishlist module is installed.
            Wishlist views inhering from website_sale.product are added to the
            generic `website_sale.product`. But it should also be added to the
            COW `website_sale.product` to activate the module views for that
            website.
        """
        Website = self.env['website']
        View = self.env['ir.ui.view']

        # Simulate website_sale product view
        self.base_view.write({'name': 'Product', 'key': '_website_sale.product'})
        # Trigger cow on website_sale hierarchy for website 1
        self.base_view.with_context(website_id=1).write({'name': 'Product (W1)'})

        # Simulate website_sale_comparison install
        View._load_records([dict(xml_id='_website_sale_comparison.product_add_to_compare', values={
            'name': 'Add to comparison in product page',
            'mode': 'extension',
            'inherit_id': self.base_view.id,
            'arch': '<div position="replace"><p>COMPARE</p></div>',
            'key': '_website_sale_comparison.product_add_to_compare',
        })])
        View.invalidate_model()

        # Simulate end of installation/update
        View._create_all_specific_views(['_website_sale_comparison'])

        specific_view = Website.with_context(load_all_views=True, website_id=1).viewref('_website_sale.product')
        self.assertEqual(self.base_view.key, specific_view.key, "Ensure it is equal as it should be for the rest of the test so we test the expected behaviors")
        specific_view_arch = specific_view.get_combined_arch()
        self.assertEqual(specific_view.website_id.id, 1, "Ensure we got specific view to perform the checks against")
        self.assertEqual(specific_view_arch, '<p>COMPARE</p>', "When a module creates an inherited view (on a generic tree), it should also create that view in the specific COW'd tree.")

        # Simulate website_sale_comparison update
        View._load_records([dict(xml_id='_website_sale_comparison.product_add_to_compare', values={
            'arch': '<div position="replace"><p>COMPARE EDITED</p></div>',
        })])
        specific_view_arch = Website.with_context(load_all_views=True, website_id=1).viewref('_website_sale.product').get_combined_arch()
        self.assertEqual(specific_view_arch, '<p>COMPARE EDITED</p>', "When a module updates an inherited view (on a generic tree), it should also update the copies of that view (COW).")

        # Test fields that should not be COW'd
        random_views = View.search([('key', '!=', None)], limit=2)
        View._load_records([dict(xml_id='_website_sale_comparison.product_add_to_compare', values={
            'website_id': None,
            'inherit_id': random_views[0].id,
        })])

        w1_specific_child_view = Website.with_context(load_all_views=True, website_id=1).viewref('_website_sale_comparison.product_add_to_compare')
        generic_child_view = Website.with_context(load_all_views=True).viewref('_website_sale_comparison.product_add_to_compare')
        self.assertEqual(w1_specific_child_view.website_id.id, 1, "website_id is a prohibited field when COWing views during _load_records")
        self.assertEqual(generic_child_view.inherit_id, random_views[0], "prohibited fields only concerned write on COW'd view. Generic should still considere these fields")
        self.assertEqual(w1_specific_child_view.inherit_id, random_views[0], "inherit_id update should be repliacated on cow views during _load_records")

        # Set back the generic view as parent for the rest of the test
        generic_child_view.inherit_id = self.base_view
        w1_specific_child_view.inherit_id = specific_view

        # Don't update inherit_id if it was anually updated
        w1_specific_child_view.inherit_id = random_views[1].id
        View._load_records([dict(xml_id='_website_sale_comparison.product_add_to_compare', values={
            'inherit_id': random_views[0].id,
        })])
        self.assertEqual(w1_specific_child_view.inherit_id, random_views[1],
                         "inherit_id update should not be repliacated on cow views during _load_records if it was manually updated before")

        # Set back the generic view as parent for the rest of the test
        generic_child_view.inherit_id = self.base_view
        w1_specific_child_view.inherit_id = specific_view

        # Don't update fields from COW'd view if these fields have been modified from original view
        new_website = Website.create({'name': 'New Website'})
        self.base_view.with_context(website_id=new_website.id).write({'name': 'Product (new_website)'})
        new_website_specific_child_view = Website.with_context(load_all_views=True, website_id=new_website.id).viewref('_website_sale_comparison.product_add_to_compare')
        new_website_specific_child_view.priority = 6
        View._load_records([dict(xml_id='_website_sale_comparison.product_add_to_compare', values={
            'priority': 3,
        })])
        self.assertEqual(generic_child_view.priority, 3, "XML update should be written on the Generic View")
        self.assertEqual(w1_specific_child_view.priority, 3, "XML update should be written on the specific view if the fields have not been modified on that specific view")
        self.assertEqual(new_website_specific_child_view.priority, 6, "XML update should NOT be written on the specific view if the fields have been modified on that specific view")

        # Simulate website_sale update on top level view
        self._create_imd(self.base_view)
        self.base_view.invalidate_model()
        View._load_records([dict(xml_id='_website_sale.product', values={
            'website_meta_title': 'A bug got fixed by updating this field',
        })])
        all_title_updated = specific_view.website_meta_title == self.base_view.website_meta_title == "A bug got fixed by updating this field"
        self.assertEqual(all_title_updated, True, "Update on top level generic views should also be applied on specific views")

    def test_module_new_inherit_view_on_parent_already_forked_xpath_replace(self):
        """ Deeper, more specific test of above behavior.
            A module install should add/update the COW view (if allowed fields,
            eg not modified or prohibited (website_id, inherit_id..)).
            This test ensure it does not crash if the child view is a primary view.
        """
        View = self.env['ir.ui.view']

        # Simulate layout views
        base_view = View.create({
            'name': 'Main Frontend Layout',
            'type': 'qweb',
            'arch': '<t t-call="web.layout"><t t-set="head_website"/></t>',
            'key': '_portal.frontend_layout',
        }).with_context(load_all_views=True)

        inherit_view = View.create({
            'name': 'Main layout',
            'mode': 'extension',
            'inherit_id': base_view.id,
            'arch': '<xpath expr="//t[@t-set=\'head_website\']" position="replace"><t t-call-assets="assets_summernote" t-js="false" groups="website.group_website_restricted_editor"/></xpath>',
            'key': '_website.layout',
        })

        # Trigger cow on website_sale hierarchy for website 1
        base_view.with_context(website_id=1).write({'name': 'Main Frontend Layout (W1)'})

        # Simulate website_sale_comparison install, that's the real test, it
        # should not crash.
        View._load_records([dict(xml_id='_website_forum.layout', values={
            'name': 'Forum Layout',
            'mode': 'primary',
            'inherit_id': inherit_view.id,
            'arch': '<xpath expr="//t[@t-call-assets=\'assets_summernote\'][@t-js=\'false\']" position="attributes"><attribute name="groups"/></xpath>',
            'key': '_website_forum.layout',
        })])

    def test_multiple_inherit_level(self):
        """ Test multi-level inheritance:
            Base
            |
            ---> Extension (Website-specific)
                |
                ---> Extension 2 (Website-specific)
        """
        View = self.env['ir.ui.view']

        self.inherit_view.website_id = 1
        inherit_view_2 = View.create({
            'name': 'Extension 2',
            'mode': 'extension',
            'inherit_id': self.inherit_view.id,
            'arch': '<div position="inside">, extended content 2</div>',
            'key': 'website.extension_view_2',
            'website_id': 1,
        })

        total_views = View.search_count([])

        # id | name        | content               | website_id | inherit  | key
        # --------------------------------------------------------------------------------------------
        # 1  | Base        |  base content         |     /      |     /    |  website.base_view
        # 2  | Extension   |  , extended content   |     1      |     1    |  website.extension_view
        # 3  | Extension 2 |  , extended content 2 |     1      |     2    |  website.extension_view_2

        self.base_view.with_context(website_id=1).write({'arch': '<div>modified content</div>'})

        # 2 views are created, one is deleted
        self.assertEqual(View.search_count([]), total_views + 1)
        self.assertFalse(self.inherit_view.exists())
        self.assertTrue(inherit_view_2.exists())

        # Verify the inheritance
        base_specific = View.search([('key', '=', self.base_view.key), ('website_id', '=', 1)]).with_context(load_all_views=True)
        extend_specific = View.search([('key', '=', 'website.extension_view'), ('website_id', '=', 1)])
        self.assertEqual(extend_specific.inherit_id, base_specific)
        self.assertEqual(inherit_view_2.inherit_id, extend_specific)

        # id | name        | content               | website_id | inherit  | key
        # --------------------------------------------------------------------------------------------
        # 1  | Base        |  base content         |     /      |     /    |  website.base_view
        # 4  | Base        |  modified content     |     1      |     /    |  website.base_view
        # 5  | Extension   |  , extended content   |     1      |     4    |  website.extension_view
        # 3  | Extension 2 |  , extended content 2 |     1      |     5    |  website.extension_view_2

    def test_cow_extension_with_install(self):
        View = self.env['ir.ui.view']
        # Base
        v1 = View.create({
            'name': 'Base',
            'type': 'qweb',
            'arch': '<div>base content</div>',
            'key': 'website.base_view_v1',
        }).with_context(load_all_views=True)
        self._create_imd(v1)

        # Extension
        v2 = View.create({
            'name': 'Extension',
            'mode': 'extension',
            'inherit_id': v1.id,
            'arch': '<div position="inside"><ooo>extended content</ooo></div>',
            'key': 'website.extension_view_v2',
        })
        self._create_imd(v2)

        # multiwebsite specific
        v1.with_context(website_id=1).write({'name': 'Extension Specific'})

        original_pool_init = View.pool._init
        View.pool._init = True

        try:
            # Simulate module install
            View._load_records([dict(xml_id='website.extension2_view', values={
                'name': ' ---',
                'mode': 'extension',
                'inherit_id': v1.id,
                'arch': '<ooo position="replace"><p>EXTENSION</p></ooo>',
                'key': 'website.extension2_view',
            })])
        finally:
            View.pool._init = original_pool_init

    def test_specific_view_translation(self):
        self.env['res.lang']._activate_lang('fr_BE')
        self.base_view.with_context(lang='en_US').arch_db = '<div>hello</div>'
        self.base_view.update_field_translations('arch_db', {'fr_BE': {'hello': 'bonjour'}})
        self.assertEqual(self.base_view.with_context(lang='fr_BE').arch, '<div>bonjour</div>')
        self.base_view.with_context(website_id=1).write({'active': True})
        specific_view = self.base_view._get_specific_views() - self.base_view

        self.assertEqual(specific_view.with_context(lang='fr_BE').arch, '<div>bonjour</div>',
                         "copy on write (COW) also copy existing translations")

        self.base_view.update_field_translations('arch_db', {'fr_BE': {'bonjour': 'salut'}})
        self.assertEqual(self.base_view.with_context(lang='fr_BE').arch, '<div>salut</div>')
        self.assertEqual(specific_view.with_context(lang='fr_BE').arch, '<div>bonjour</div>',
                         "updating translation of base view doesn't update specific view")

        self.env['res.lang']._activate_lang('es_ES')
        # Translate specific 'arch_db' while the generic value has no content for the
        # translation language.
        specific_view.update_field_translations('arch_db', {'es_ES': {'hello': 'hola'}})
        self.assertEqual(specific_view.with_context(lang='es_ES').arch, '<div>hola</div>')

        self.env['ir.module.module']._load_module_terms(['website'], ['en_US', 'fr_BE', 'es_ES'], overwrite=True)

        specific_view.invalidate_model(['arch_db', 'arch'])
        self.assertEqual(specific_view.with_context(lang='fr_BE').arch, '<div>salut</div>',
                         "loading module translation copy translation from base to specific view")

        self.assertEqual(specific_view.with_context(lang='es_ES').arch, '<div>hola</div>',
                         "loading module translation should not remove specific translations that are not available on base view")

        # Make sure updating a short list of languages does not destroy existing translations.
        self.env['res.lang']._activate_lang('nl_NL')

        self.env['ir.module.module']._load_module_terms(['website'], ['nl_NL'], overwrite=True)

        specific_view.invalidate_model(['arch_db', 'arch'])
        self.assertEqual(specific_view.with_context(lang='fr_BE').arch, '<div>salut</div>',
                         "loading module translation for a specific language should not remove existing translations for other languages")

        self.assertEqual(specific_view.with_context(lang='es_ES').arch, '<div>hola</div>',
                         "loading module translation for a specific language should not remove existing translations for other languages")

    def test_view_to_translate_tag(self):
        fr_BE = self.env['res.lang']._activate_lang('fr_BE')
        self.base_view.with_context(lang='en_US').arch_db = '<div>hello</div>'
        self.assertFalse(self.base_view.website_id)
        website = self.env['website'].browse(1)
        website.default_lang_id = fr_BE
        self.base_view.with_context(website_id=1).write({'active': True})
        specific_view = self.base_view._get_specific_views() - self.base_view

        # generic view without website_id but with website for request
        with patch('odoo.addons.website.models.ir_http.get_request_website', lambda: website):
            self.base_view.invalidate_recordset()
            self.assertIn('to_translate', self.base_view.with_context(lang='en_US', edit_translations=True).arch)
            self.assertIn('translated', self.base_view.with_context(lang='fr_BE', edit_translations=True).arch)
            self.base_view.invalidate_recordset()

        # generic view without website_id
        self.assertIn('translated', self.base_view.with_context(lang='en_US', edit_translations=True).arch)
        self.assertIn('to_translate', self.base_view.with_context(lang='fr_BE', edit_translations=True).arch)
        self.base_view.update_field_translations('arch_db', {'fr_BE': {'hello': 'bonjour'}})
        self.assertIn('translated', self.base_view.with_context(lang='en_US', edit_translations=True).arch)
        self.assertIn('translated', self.base_view.with_context(lang='fr_BE', edit_translations=True).arch)

        # specific view with website_id
        self.assertIn('to_translate', specific_view.with_context(lang='en_US', edit_translations=True).arch)
        self.assertIn('translated', specific_view.with_context(lang='fr_BE', edit_translations=True).arch)

    def test_soc_complete_flow(self):
        """
        Check the creation of views from specific-website environments.
        """
        View = self.env['ir.ui.view']

        View.with_context(website_id=1).create({
            'name': 'Name',
            'key': 'website.no_website_id',
            'type': 'qweb',
            'arch': '<data></data>',
        })
        # Get created views by searching to consider potential unwanted COW
        created_views = View.search([('key', '=', 'website.no_website_id')])
        self.assertEqual(len(created_views), 1, "Should only have created one view")
        self.assertEqual(created_views.website_id.id, 1, "The created view should be specific to website 1")

        with self.assertRaises(ValueError, msg="Should not allow to create generic view explicitely from website 1 specific context"):
            View.with_context(website_id=1).create({
                'name': 'Name',
                'key': 'website.explicit_no_website_id',
                'type': 'qweb',
                'arch': '<data></data>',
                'website_id': False,
            })

        with self.assertRaises(ValueError, msg="Should not allow to create specific view for website 2 from website 1 specific context"):
            View.with_context(website_id=1).create({
                'name': 'Name',
                'key': 'website.different_website_id',
                'type': 'qweb',
                'arch': '<data></data>',
                'website_id': 2,
            })

    def test_specific_view_module_update_inherit_change(self):
        """ During a module update, if inherit_id is changed, we need to
        replicate the change for cow views. """
        # If D.inherit_id becomes B instead of A, after module update, we expect:
        # CASE 1
        #   A    A'   B                      A    A'   B
        #   |    |                 =>                 / \
        #   D    D'                                  D   D'
        #
        # CASE 2
        #   A    A'   B    B'               A    A'   B   B'
        #   |    |                 =>                 |   |
        #   D    D'                                   D   D'
        #
        # CASE 3
        #     A    B                        A    B
        #    / \                   =>           / \
        #   D   D'                             D   D'
        #
        # CASE 4
        #     A    B    B'                  A    B   B'
        #    / \                   =>            |   |
        #   D   D'                               D   D'

        # 1. Setup following view trees
        #   A    A'   B
        #   |    |
        #   D    D'
        View = self.env['ir.ui.view']
        Website = self.env['website']
        self._create_imd(self.inherit_view)
        # invalidate cache to recompute xml_id, or it will still be empty
        self.inherit_view.invalidate_model()
        base_view_2 = self.base_view.copy({'key': 'website.base_view2', 'arch': '<div>base2 content</div>'})
        self.base_view.with_context(website_id=1).write({'arch': '<div>website 1 content</div>'})
        specific_view = Website.with_context(load_all_views=True, website_id=1).viewref(self.base_view.key)
        specific_view.inherit_children_ids.with_context(website_id=1).write({'arch': '<div position="inside">, extended content website 1</div>'})
        specific_child_view = Website.with_context(load_all_views=True, website_id=1).viewref(self.inherit_view.key)
        # 2. Ensure view trees are as expected
        self.assertEqual(self.base_view.inherit_children_ids, self.inherit_view, "D should be under A")
        self.assertEqual(specific_view.inherit_children_ids, specific_child_view, "D' should be under A'")
        self.assertFalse(base_view_2.inherit_children_ids, "B should have no child")

        # 3. Simulate module update, D.inherit_id is now B instead of A
        View._load_records([dict(xml_id=self.inherit_view.key, values={
            'inherit_id': base_view_2.id,
        })])

        # 4. Ensure view trees is now
        #   A    A'   B
        #            / \
        #           D   D'
        self.assertTrue(len(self.base_view.inherit_children_ids) == len(specific_view.inherit_children_ids) == 0,
                        "Child views should now be under view B")
        self.assertEqual(len(base_view_2.inherit_children_ids), 2, "D and D' should be under B")
        self.assertTrue(self.inherit_view in base_view_2.inherit_children_ids, "D should be under B")
        self.assertTrue(specific_child_view in base_view_2.inherit_children_ids, "D' should be under B")

    def test_no_cow_on_translate(self):
        french = self.env['res.lang']._activate_lang('fr_FR')
        self.env['ir.module.module']._load_module_terms(['website'], [french.code])
        # Make sure res.lang.get_installed is recomputed
        self.env.registry.clear_cache()

        View = self.env['ir.ui.view'].with_context(lang=french.code, website_id=1)
        old_specific_views = View.search([('website_id', '!=', None)])
        view = self.base_view.with_context(lang=french.code, website_id=1)

        root = html.fromstring(self.base_view.arch, parser=html.HTMLParser(encoding="utf-8"))
        to_translate = root.text_content()
        sha = sha256(to_translate.encode()).hexdigest()
        view.update_field_translations_sha('arch_db', {french.code: {sha: 'contenu de base'}})

        new_specific_views = View.search([('website_id', '!=', None)])
        self.assertEqual(len(old_specific_views), len(new_specific_views), "No additional specific view must have been created")
        self.assertTrue(view.arch.index('contenu de base') > 0, "New translation must appear in view")


@tagged('-at_install', 'post_install')
class Crawler(HttpCase):
    def setUp(self):
        super(Crawler, self).setUp()
        View = self.env['ir.ui.view']

        self.base_view = View.create({
            'name': 'Base',
            'type': 'qweb',
            'arch': '<div>base content</div>',
            'key': 'website.base_view',
        }).with_context(load_all_views=True)

        self.inherit_view = View.create({
            'name': 'Extension',
            'mode': 'extension',
            'inherit_id': self.base_view.id,
            'arch': '<div position="inside">, extended content</div>',
            'key': 'website.extension_view',
        })

    def test_get_switchable_related_views(self):
        Website = self.env['website']

        # Set up
        website_1 = Website.create({'name': 'Website 1'})  # will have specific views
        website_2 = Website.create({'name': 'Website 2'})  # will use generic views

        self.base_view.write({'name': 'Main Frontend Layout', 'key': '_portal.frontend_layout'})
        event_main_view = self.base_view.copy({
            'name': 'Events',
            'key': '_website_event.index',
            'arch': '<t t-call="_website.layout"><div>Arch is not important in this test</div></t>',
        })
        self.inherit_view.write({'name': 'Main layout', 'key': '_website.layout'})

        self.inherit_view.copy({'name': 'Sign In', 'customize_show': True, 'key': '_portal.user_sign_in'})
        view_logo = self.inherit_view.copy({
            'name': 'Show Logo',
            'inherit_id': self.inherit_view.id,
            'customize_show': True,
            'key': '_website.layout_logo_show',
        })
        view_logo.copy({'name': 'Affix Top Menu', 'key': '_website.affix_top_menu'})

        event_child_view = self.inherit_view.copy({
            'name': 'Filters',
            'customize_show': True,
            'inherit_id': event_main_view.id,
            'key': '_website_event.event_left_column',
            'priority': 30,
        })
        view_photos = event_child_view.copy({'name': 'Photos', 'key': '_website_event.event_right_photos'})
        event_child_view.copy({'name': 'Quotes', 'key': '_website_event.event_right_quotes', 'priority': 30})

        event_child_view.copy({'name': 'Filter by Category', 'inherit_id': event_child_view.id, 'key': '_website_event.event_category'})
        event_child_view.copy({'name': 'Filter by Country', 'inherit_id': event_child_view.id, 'key': '_website_event.event_location'})

        self.env.flush_all()

        # Customize
        #   | Main Frontend Layout
        #       | Show Sign In
        #   | Main Layout
        #       | Affix Top Menu
        #       | Show Logo
        #   | Events
        #       | Filters
        #       | Photos
        #       | Quotes
        #   | Filters
        #       | Filter By Category
        #       | Filter By Country

        self.authenticate("admin", "admin")
        base_url = website_1.get_base_url()

        # Simulate website 2 (that use only generic views)
        self.url_open(base_url + '/website/force/%s' % website_2.id)

        # Test controller
        url = base_url + '/website/get_switchable_related_views'
        json = {'params': {'key': '_website_event.index'}}
        response = self.opener.post(url=url, json=json)
        res = response.json()['result']

        self.assertEqual(
            [v['name'] for v in res],
            ['Sign In', 'Affix Top Menu', 'Show Logo', 'Filters', 'Photos', 'Quotes', 'Filter by Category', 'Filter by Country'],
            "Sequence should not be taken into account for customize menu",
        )
        self.assertEqual(
            [v['inherit_id'][1] for v in res],
            ['Main Frontend Layout', 'Main layout', 'Main layout', 'Events', 'Events', 'Events', 'Filters', 'Filters'],
            "Sequence should not be taken into account for customize menu (Checking Customize headers)",
        )

        # Trigger COW
        view_logo.with_context(website_id=website_1.id).write({'arch': '<div position="inside">, trigger COW, arch is not relevant in this test</div>'})
        # This would wrongly become:

        # Customize
        #   | Main Frontend Layout
        #       | Show Sign In
        #   | Main Layout
        #       | Affix Top Menu
        #       | Show Logo <==== Was above "Affix Top Menu"
        #   | Events
        #       | Filters
        #       | Photos
        #       | Quotes
        #   | Filters
        #       | Filter By Category
        #       | Filter By Country

        # Simulate website 1 (that has specific views)
        self.url_open(base_url + '/website/force/%s' % website_1.id)

        # Test controller
        url = base_url + '/website/get_switchable_related_views'
        json = {'params': {'key': '_website_event.index'}}
        response = self.opener.post(url=url, json=json)
        res = response.json()['result']
        self.assertEqual(
            [v['name'] for v in res],
            ['Sign In', 'Affix Top Menu', 'Show Logo', 'Filters', 'Photos', 'Quotes', 'Filter by Category', 'Filter by Country'],
            "multi-website COW should not impact customize views order (COW view will have a bigger ID and should not be last)",
        )
        self.assertEqual(
            [v['inherit_id'][1] for v in res],
            ['Main Frontend Layout', 'Main layout', 'Main layout', 'Events', 'Events', 'Events', 'Filters', 'Filters'],
            "multi-website COW should not impact customize views menu header position or split (COW view will have a bigger ID and should not be last)",
        )

        # Trigger COW
        view_photos.with_context(website_id=website_1.id).write({'arch': '<div position="inside">, trigger COW, arch is not relevant in this test</div>'})
        # This would wrongly become:

        # Customize
        #   | Main Frontend Layout
        #       | Show Sign In
        #   | Main Layout
        #       | Affix Top Menu
        #       | Show Logo
        #   | Events
        #       | Filters
        #       | Quotes
        #   | Filters
        #       | Filter By Category
        #       | Filter By Country
        #   | Events     <==== JS code creates a new Events header as the Event's children views are not one after the other anymore..
        #       | Photos <==== .. since Photos got duplicated and now have a bigger ID that others

        # Test controller
        url = base_url + '/website/get_switchable_related_views'
        json = {'params': {'key': '_website_event.index'}}
        response = self.opener.post(url=url, json=json)
        res = response.json()['result']
        self.assertEqual(
            [v['name'] for v in res],
            ['Sign In', 'Affix Top Menu', 'Show Logo', 'Filters', 'Photos', 'Quotes', 'Filter by Category', 'Filter by Country'],
            "multi-website COW should not impact customize views order (COW view will have a bigger ID and should not be last) (2)",
        )
        self.assertEqual(
            [v['inherit_id'][1] for v in res],
            ['Main Frontend Layout', 'Main layout', 'Main layout', 'Events', 'Events', 'Events', 'Filters', 'Filters'],
            "multi-website COW should not impact customize views menu header position or split (COW view will have a bigger ID and should not be last) (2)",
        )

    def test_multi_website_views_retrieving(self):
        View = self.env['ir.ui.view']
        Website = self.env['website']

        website_1 = Website.create({'name': 'Website 1'})
        website_2 = Website.create({'name': 'Website 2'})

        main_view = View.create({
            'name': 'Products',
            'type': 'qweb',
            'arch': '<body>Arch is not relevant for this test</body>',
            'key': '_website_sale.products',
        }).with_context(load_all_views=True)

        View.with_context(load_all_views=True).create({
            'name': 'Child View W1',
            'mode': 'extension',
            'inherit_id': main_view.id,
            'arch': '<xpath expr="//body" position="replace">It is really not relevant!</xpath>',
            'key': '_website_sale.child_view_w1',
            'website_id': website_1.id,
            'active': False,
            'customize_show': True,
        })

        # Simulate theme view instal + load on website
        theme_view = self.env['theme.ir.ui.view'].with_context(install_filename='/testviews').create({
            'name': 'Products Theme Kea',
            'mode': 'extension',
            'inherit_id': main_view,
            'arch': '<xpath expr="//p" position="replace"><span>C</span></xpath>',
            'key': '_theme_kea_sale.products',
        })
        view_from_theme_view_on_w2 = View.with_context(load_all_views=True).create({
            'name': 'Products Theme Kea',
            'mode': 'extension',
            'inherit_id': main_view.id,
            'arch': '<xpath expr="//body" position="replace">Really really not important for this test</xpath>',
            'key': '_theme_kea_sale.products',
            'website_id': website_2.id,
            'customize_show': True,
        })
        self.env['ir.model.data'].create({
            'module': '_theme_kea_sale',
            'name': 'products',
            'model': 'theme.ir.ui.view',
            'res_id': theme_view.id,
        })

        # ##################################################### ir.ui.view ###############################################
        # id |        name        | website_id | inherit |             key               |          xml_id               |
        # ----------------------------------------------------------------------------------------------------------------
        #  1 | Products           |      /     |    /    | _website_sale.products        |            /                  |
        #  2 | Child View W1      |      1     |    1    | _website_sale.child_view_w1   |            /                  |
        #  3 | Products Theme Kea |      2     |    1    | _theme_kea_sale.products      |            /                  |

        # ################################################# theme.ir.ui.view #############################################
        # id |               name              | inherit |             key               |         xml_id                |
        # ----------------------------------------------------------------------------------------------------------------
        #  1 | Products Theme Kea              |    1    | _theme_kea_sale.products      | _theme_kea_sale.products      |

        with self.assertRaises(ValueError):
            # It should crash as it should not find a view on website 1 for '_theme_kea_sale.products', !!and certainly not a theme.ir.ui.view!!.
            view = View.with_context(website_id=website_1.id)._view_obj('_theme_kea_sale.products')
        view = View.with_context(website_id=website_2.id)._view_obj('_theme_kea_sale.products')
        self.assertEqual(len(view), 1, "It should find the ir.ui.view with key '_theme_kea_sale.products' on website 2..")
        self.assertEqual(view._name, 'ir.ui.view', "..and not a theme.ir.ui.view")

        views = View.with_context(website_id=website_1.id).get_related_views('_website_sale.products')
        self.assertEqual(len(views), 2, "It should not mix apples and oranges, only ir.ui.view ['_website_sale.products', '_website_sale.child_view_w1'] should be returned")
        views = View.with_context(website_id=website_2.id).get_related_views('_website_sale.products')
        self.assertEqual(len(views), 2, "It should not mix apples and oranges, only ir.ui.view ['_website_sale.products', '_theme_kea_sale.products'] should be returned")

        # Part 2 of the test, it test the same stuff but from a higher level (get_related_views ends up calling _view_obj)
        called_theme_view = self.env['theme.ir.ui.view'].with_context(install_filename='/testviews').create({
            'name': 'Called View Kea',
            'arch': '<div></div>',
            'key': '_theme_kea_sale.t_called_view',
        })
        View.create({
            'name': 'Called View Kea',
            'type': 'qweb',
            'arch': '<div></div>',
            'key': '_theme_kea_sale.t_called_view',
            'website_id': website_2.id,
        }).with_context(load_all_views=True)
        self.env['ir.model.data'].create({
            'module': '_theme_kea_sale',
            'name': 't_called_view',
            'model': 'theme.ir.ui.view',
            'res_id': called_theme_view.id,
        })
        view_from_theme_view_on_w2.write({'arch': '<t t-call="_theme_kea_sale.t_called_view"/>'})

        # ##################################################### ir.ui.view ###############################################
        # id |        name        | website_id | inherit |             key               |          xml_id               |
        # ----------------------------------------------------------------------------------------------------------------
        #  1 | Products           |      /     |    /    | _website_sale.products        |            /                  |
        #  2 | Child View W1      |      1     |    1    | _website_sale.child_view_w1   |            /                  |
        #  3 | Products Theme Kea |      2     |    1    | _theme_kea_sale.products      |            /                  |
        #  4 | Called View Kea    |      2     |    /    | _theme_kea_sale.t_called_view |            /                  |

        # ################################################# theme.ir.ui.view #############################################
        # id |               name              | inherit |             key               |         xml_id                |
        # ----------------------------------------------------------------------------------------------------------------
        #  1 | Products Theme Kea              |    1    | _theme_kea_sale.products      | _theme_kea_sale.products      |
        #  1 | Called View Kea                 |    /    | _theme_kea_sale.t_called_view | _theme_kea_sale.t_called_view |

        # Next line should not crash (was mixing apples and oranges - ir.ui.view and theme.ir.ui.view)
        views = View.with_context(website_id=website_1.id).get_related_views('_website_sale.products')
        self.assertEqual(len(views), 2, "It should not mix apples and oranges, only ir.ui.view ['_website_sale.products', '_website_sale.child_view_w1'] should be returned (2)")
        views = View.with_context(website_id=website_2.id).get_related_views('_website_sale.products')
        self.assertEqual(len(views), 3, "It should not mix apples and oranges, only ir.ui.view ['_website_sale.products', '_theme_kea_sale.products', '_theme_kea_sale.t_called_view'] should be returned")

        # ########################################################
        # Test the controller (which is calling get_related_views)
        self.authenticate("admin", "admin")
        base_url = website_1.get_base_url()

        # Simulate website 2
        self.url_open(base_url + '/website/force/%s' % website_2.id)

        # Test controller
        url = base_url + '/website/get_switchable_related_views'
        json = {'params': {'key': '_website_sale.products'}}
        response = self.opener.post(url=url, json=json)
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()['result']), 1, "Only '_theme_kea_sale.products' should be returned as it is the only customize_show related view in website 2 context")
        self.assertEqual(response.json()['result'][0]['key'], '_theme_kea_sale.products', "Only '_theme_kea_sale.products' should be returned")

        # Simulate website 1
        self.url_open(base_url + '/website/force/%s' % website_1.id)

        # Test controller
        url = base_url + '/website/get_switchable_related_views'
        json = {'params': {'key': '_website_sale.products'}}
        response = self.opener.post(url=url, json=json)
        self.assertEqual(response.status_code, 200)
        self.assertEqual(len(response.json()['result']), 1, "Only '_website_sale.child_view_w1' should be returned as it is the only customize_show related view in website 1 context")
        self.assertEqual(response.json()['result'][0]['key'], '_website_sale.child_view_w1', "Only '_website_sale.child_view_w1' should be returned")


@tagged('post_install', '-at_install')
class TestThemeViews(common.TransactionCase):
    def test_inherit_specific(self):
        View = self.env['ir.ui.view']
        Website = self.env['website']

        website_1 = Website.create({'name': 'Website 1'})

        # 1. Simulate COW structure
        main_view = View.create({
            'name': 'Test Main View',
            'type': 'qweb',
            'arch': '<body>Arch is not relevant for this test</body>',
            'key': '_test.main_view',
        }).with_context(load_all_views=True)
        # Trigger COW
        main_view.with_context(website_id=website_1.id).arch = '<body>specific</body>'

        # 2. Simulate a theme install with a child view of `main_view`
        patcher = patch('odoo.modules.module._get_manifest_cached', return_value=copy.deepcopy(_DEFAULT_MANIFEST))
        self.startPatcher(patcher)
        test_theme_module = self.env['ir.module.module'].create({'name': 'test_theme'})
        self.env['ir.model.data'].create({
            'module': 'base',
            'name': 'module_test_theme_module',
            'model': 'ir.module.module',
            'res_id': test_theme_module.id,
        })
        theme_view = self.env['theme.ir.ui.view'].with_context(install_filename='/testviews').create({
            'name': 'Test Child View',
            'mode': 'extension',
            'inherit_id': 'ir.ui.view,%s' % main_view.id,
            'arch': '<xpath expr="//body" position="replace"><span>C</span></xpath>',
            'key': 'test_theme.test_child_view',
        })
        self.env['ir.model.data'].create({
            'module': 'test_theme',
            'name': 'products',
            'model': 'theme.ir.ui.view',
            'res_id': theme_view.id,
        })
        test_theme_module.with_context(load_all_views=True)._theme_load(website_1)

        # 3. Ensure everything went correctly
        main_views = View.search([('key', '=', '_test.main_view')])
        self.assertEqual(len(main_views), 2, "View should have been COWd when writing on its arch in a website context")
        specific_main_view = main_views.filtered(lambda v: v.website_id == website_1)
        specific_main_view_children = specific_main_view.inherit_children_ids
        self.assertEqual(specific_main_view_children.name, 'Test Child View', "Ensure theme.ir.ui.view has been loaded as an ir.ui.view into the website..")
        self.assertEqual(specific_main_view_children.website_id, website_1, "..and the website is the correct one.")

        # 4. Simulate theme update. Do it 2 time to make sure it was not interpreted as a user change the first time.
        new_arch = '<xpath expr="//body" position="replace"><span>Odoo Change01</span></xpath>'
        theme_view.arch = new_arch
        test_theme_module.with_context(load_all_views=True)._theme_load(website_1)
        self.assertEqual(specific_main_view_children.arch, new_arch, "First time: View arch should receive theme updates.")
        self.assertFalse(specific_main_view_children.arch_updated)
        new_arch = '<xpath expr="//body" position="replace"><span>Odoo Change02</span></xpath>'
        theme_view.arch = new_arch
        test_theme_module.with_context(load_all_views=True)._theme_load(website_1)
        self.assertEqual(specific_main_view_children.arch, new_arch, "Second time: View arch should still receive theme updates.")

        # 5. Keep User arch changes
        new_arch = '<xpath expr="//body" position="replace"><span>Odoo</span></xpath>'
        specific_main_view_children.arch = new_arch
        theme_view.name = 'Test Child View modified'
        test_theme_module.with_context(load_all_views=True)._theme_load(website_1)
        self.assertEqual(specific_main_view_children.arch, new_arch, "View arch shouldn't have been overrided on theme update as it was modified by user.")
        self.assertEqual(specific_main_view_children.name, 'Test Child View modified', "View should receive modification on theme update.")
