# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from odoo.addons.account.tests.common import AccountTestInvoicingCommon
from odoo.tests import Form, tagged

from datetime import datetime, timedelta


@tagged('post_install', '-at_install')
class TestPurchaseOrderReport(AccountTestInvoicingCommon):

    def test_00_purchase_order_report(self):
        uom_dozen = self.env.ref('uom.product_uom_dozen')

        po = self.env['purchase.order'].create({
            'partner_id': self.partner_a.id,
            'currency_id': self.currency_data['currency'].id,
            'order_line': [
                (0, 0, {
                    'name': self.product_a.name,
                    'product_id': self.product_a.id,
                    'product_qty': 1.0,
                    'product_uom': uom_dozen.id,
                    'price_unit': 100.0,
                    'date_planned': datetime.today(),
                    'taxes_id': False,
                }),
                (0, 0, {
                    'name': self.product_b.name,
                    'product_id': self.product_b.id,
                    'product_qty': 1.0,
                    'product_uom': uom_dozen.id,
                    'price_unit': 200.0,
                    'date_planned': datetime.today(),
                    'taxes_id': False,
                }),
            ],
        })
        po.button_confirm()

        f = Form(self.env['account.move'].with_context(default_move_type='in_invoice'))
        f.invoice_date = f.date
        f.partner_id = po.partner_id
        # <field name="invoice_vendor_bill_id" position="after">
        #     <field name="purchase_id" invisible="1"/>
        #     <label for="purchase_vendor_bill_id" string="Auto-Complete" class="oe_edit_only"
        #             invisible="state != 'draft' or move_type != 'in_invoice'" />
        #     <field name="purchase_vendor_bill_id" nolabel="1"
        #             invisible="state != 'draft' or move_type != 'in_invoice'"
        #             class="oe_edit_only"
        #             domain="('company_id', '=', company_id), ('partner_id.commercial_partner_id', '=', commercial_partner_id)] if partner_id else [('company_id', '=', company_id)]"
        #             placeholder="Select a purchase order or an old bill"
        #             context="{'show_total_amount': True}"
        #             options="{'no_create': True, 'no_open': True}"/>
        # </field>
        # @api.onchange('purchase_vendor_bill_id', 'purchase_id')
        # def _onchange_purchase_auto_complete(self):
        #     ...
        #     elif self.purchase_vendor_bill_id.purchase_order_id:
        #         self.purchase_id = self.purchase_vendor_bill_id.purchase_order_id
        #     self.purchase_vendor_bill_id = False
        # purchase_vendor_bill_id = fields.Many2one('purchase.bill.union'
        # class PurchaseBillUnion(models.Model):
        #     _name = 'purchase.bill.union'
        #     ...
        #     def init(self):
        #         self.env.cr.execute("""
        #                 ...
        #                 SELECT
        #                     -id, name, ...
        #                     id as purchase_order_id
        #                 FROM purchase_order
        #                 ...
        #             )""")
        #     ...
        f.purchase_vendor_bill_id = self.env['purchase.bill.union'].browse(-po.id)
        invoice = f.save()
        invoice.action_post()
        po.flush_model()

        res_product1 = self.env['purchase.report'].search([
            ('order_id', '=', po.id),
            ('product_id', '=', self.product_a.id),
            ('company_id', '=', self.company_data['company'].id),
        ])

        # check that report will convert dozen to unit or not
        self.assertEqual(res_product1.qty_ordered, 12.0, 'UoM conversion is not working')
        # report should show in company currency (amount/rate) = (100/2)
        self.assertEqual(res_product1.price_total, 50.0, 'Currency conversion is not working')

        res_product2 = self.env['purchase.report'].search([
            ('order_id', '=', po.id),
            ('product_id', '=', self.product_b.id),
            ('company_id', '=', self.company_data['company'].id),
        ])

        self.assertEqual(res_product2.qty_ordered, 1.0, 'No conversion needed since product_b is already a dozen')
        # report should show in company currency (amount/rate) = (200/2)
        self.assertEqual(res_product2.price_total, 100.0, 'Currency conversion is not working')

    def test_01_delay_and_delay_pass(self):
        po_form = Form(self.env['purchase.order'])
        po_form.partner_id = self.partner_a
        po_form.date_order = datetime.now() + timedelta(days=10)
        with po_form.order_line.new() as line:
            line.product_id = self.product_a
        with po_form.order_line.new() as line:
            line.product_id = self.product_b
        po_form.date_planned = datetime.now() + timedelta(days=15)
        po = po_form.save()

        po.button_confirm()

        po.flush_model()
        report = self.env['purchase.report'].read_group(
            [('order_id', '=', po.id)],
            ['order_id', 'delay', 'delay_pass'],
            ['order_id'],
        )
        self.assertEqual(round(report[0]['delay']), -10, msg="The PO has been confirmed 10 days in advance")
        self.assertEqual(round(report[0]['delay_pass']), 5, msg="There are 5 days between the order date and the planned date")

    def test_02_po_report_note_section_filter(self):
        po = self.env['purchase.order'].create({
            'partner_id': self.partner_a.id,
            'currency_id': self.currency_data['currency'].id,
            'order_line': [
                (0, 0, {
                    'name': 'This is a note',
                    'display_type': 'line_note',
                    'product_id': False,
                    'product_qty': 0.0,
                    'product_uom': False,
                    'price_unit': 0.0,
                    'taxes_id': False,
                }),
                (0, 0, {
                    'name': 'This is a section',
                    'display_type': 'line_section',
                    'product_id': False,
                    'product_qty': 0.0,
                    'product_uom': False,
                    'price_unit': 0.0,
                    'taxes_id': False,
                }),
            ],
        })
        po.button_confirm()

        result_po = self.env['purchase.report'].search([('order_id', '=', po.id)])
        self.assertFalse(result_po, "The report should ignore the notes and sections")

    def test_po_report_currency(self):
        """
            Check that the currency of the report is the one of the current company
        """
        po = self.env['purchase.order'].create({
            'partner_id': self.partner_a.id,
            'currency_id': self.currency_data['currency'].id,
            'order_line': [
                (0, 0, {
                    'product_id': self.product_a.id,
                    'product_qty': 10.0,
                    'price_unit': 50.0,
                }),
            ],
        })
        currency_eur_id = self.env.ref("base.EUR")
        currency_eur_id.active = True
        po_2 = self.env['purchase.order'].create({
            'partner_id': self.partner_a.id,
            'currency_id': currency_eur_id.id,
            'order_line': [
                (0, 0, {
                    'product_id': self.product_a.id,
                    'product_qty': 10.0,
                    'price_unit': 50.0,
                }),
            ],
        })
        # flush the POs to make sure the report is up to date
        po.flush_model()
        po_2.flush_model()
        report = self.env['purchase.report'].search([('product_id', "=", self.product_a.id)])
        self.assertEqual(report.currency_id, self.env.company.currency_id)

    def test_avg_price_calculation(self):
        """
            Check that the average price is calculated based on the quantity ordered in each line
            PO:
                - 10 unit of product A -> price $50
                - 1 unit of product A -> price $10
            Total qty_ordered: 11
            avergae price: 46.36 = ((10 * 50) + (10 * 1)) / 11
        """
        po = self.env['purchase.order'].create({
            'partner_id': self.partner_a.id,
            'order_line': [
                (0, 0, {
                    'product_id': self.product_a.id,
                    'product_qty': 10.0,
                    'price_unit': 50.0,
                }),
                (0, 0, {
                    'product_id': self.product_a.id,
                    'product_qty': 1.0,
                    'price_unit': 10.0,
                }),
            ],
        })
        po.button_confirm()
        po.flush_model()
        report = self.env['purchase.report'].read_group(
            [('product_id', '=', self.product_a.id)],
            ['qty_ordered', 'price_average:avg'],
            ['product_id'],
        )
        self.assertEqual(report[0]['qty_ordered'], 11)
        self.assertEqual(round(report[0]['price_average'], 2), 46.36)