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

from odoo import api, fields, models

from datetime import date


class AccountMove(models.Model):
    _inherit = 'account.move'

    def button_draft(self):
        # OVERRIDE to update the cancel date.
        res = super(AccountMove, self).button_draft()
        for move in self:
            if move.move_type == 'out_invoice':
                self.env['membership.membership_line'].search([
                    ('account_invoice_line', 'in', move.mapped('invoice_line_ids').ids)
                ]).write({'date_cancel': False})
        return res

    def button_cancel(self):
        # OVERRIDE to update the cancel date.
        res = super(AccountMove, self).button_cancel()
        for move in self:
            if move.move_type == 'out_invoice':
                self.env['membership.membership_line'].search([
                    ('account_invoice_line', 'in', move.mapped('invoice_line_ids').ids)
                ]).write({'date_cancel': fields.Date.today()})
        return res

    def write(self, vals):
        # OVERRIDE to write the partner on the membership lines.
        res = super(AccountMove, self).write(vals)
        if 'partner_id' in vals:
            self.env['membership.membership_line'].search([
                ('account_invoice_line', 'in', self.mapped('invoice_line_ids').ids)
            ]).write({'partner': vals['partner_id']})
        return res


class AccountMoveLine(models.Model):
    _inherit = 'account.move.line'

    def write(self, vals):
        # OVERRIDE
        res = super(AccountMoveLine, self).write(vals)

        to_process = self.filtered(lambda line: line.move_id.move_type == 'out_invoice' and line.product_id.membership)

        # Nothing to process, break.
        if not to_process:
            return res

        existing_memberships = self.env['membership.membership_line'].search([
            ('account_invoice_line', 'in', to_process.ids)])
        to_process = to_process - existing_memberships.mapped('account_invoice_line')

        # All memberships already exist, break.
        if not to_process:
            return res

        memberships_vals = []
        for line in to_process:
            date_from = line.product_id.membership_date_from
            date_to = line.product_id.membership_date_to
            if (date_from and date_from < (line.move_id.invoice_date or date.min) < (date_to or date.min)):
                date_from = line.move_id.invoice_date
            memberships_vals.append({
                'partner': line.move_id.partner_id.id,
                'membership_id': line.product_id.id,
                'member_price': line.price_unit,
                'date': fields.Date.today(),
                'date_from': date_from,
                'date_to': date_to,
                'account_invoice_line': line.id,
            })
        self.env['membership.membership_line'].create(memberships_vals)
        return res

    @api.model_create_multi
    def create(self, vals_list):
        # OVERRIDE
        lines = super(AccountMoveLine, self).create(vals_list)
        to_process = lines.filtered(lambda line: line.move_id.move_type == 'out_invoice' and line.product_id.membership)

        # Nothing to process, break.
        if not to_process:
            return lines

        existing_memberships = self.env['membership.membership_line'].search([
            ('account_invoice_line', 'in', to_process.ids)])
        to_process = to_process - existing_memberships.mapped('account_invoice_line')

        # All memberships already exist, break.
        if not to_process:
            return lines

        memberships_vals = []
        for line in to_process:
            date_from = line.product_id.membership_date_from
            date_to = line.product_id.membership_date_to
            if (date_from and date_from < (line.move_id.invoice_date or date.min) < (date_to or date.min)):
                date_from = line.move_id.invoice_date
            memberships_vals.append({
                'partner': line.move_id.partner_id.id,
                'membership_id': line.product_id.id,
                'member_price': line.price_unit,
                'date': fields.Date.today(),
                'date_from': date_from,
                'date_to': date_to,
                'account_invoice_line': line.id,
            })
        self.env['membership.membership_line'].create(memberships_vals)
        return lines