# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo import api, fields, models
from odoo.tools import SQL


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

    bacs_ddi_id = fields.Many2one('bacs.ddi', compute='_compute_bacs_ddi_id')
    bacs_has_usable_ddi = fields.Boolean(compute='_compute_bacs_has_usable_ddi', search='_search_bacs_has_usable_ddi')

    @api.model
    def _search_bacs_has_usable_ddi(self, operator, value):
        if operator != 'in':
            return NotImplemented

        rows = self.env.execute_query(SQL("""
        SELECT
            move.id
        FROM
            bacs_ddi ddi
        LEFT JOIN
            account_move move ON move.company_id = ddi.company_id AND
            move.commercial_partner_id = ddi.partner_id
        WHERE
            move.move_type IN ('out_invoice', 'in_refund') AND
            ddi.state NOT IN ('draft', 'revoked') AND
            ddi.start_date <= move.invoice_date
        """))
        return [('id', 'in', [r[0] for r in rows])]

    @api.depends('company_id', 'commercial_partner_id', 'invoice_date')
    def _compute_bacs_has_usable_ddi(self):
        for rec in self:
            rec.bacs_has_usable_ddi = bool(rec._bacs_get_usable_ddi())

    @api.depends('origin_payment_id.bacs_ddi_id', 'matched_payment_ids.bacs_ddi_id')
    def _compute_bacs_ddi_id(self):
        for move in self:
            move.bacs_ddi_id = move.origin_payment_id.bacs_ddi_id or move.matched_payment_ids.bacs_ddi_id[:1]

    def _bacs_get_usable_ddi(self):
        """ returns the first DDI found that can be used to pay this invoice,
        or none if there is no such DDI.
        """
        if self.move_type in ('out_invoice', 'in_refund'):
            return self.env['bacs.ddi']._bacs_get_usable_ddi(self.company_id.id, self.commercial_partner_id.id, self.invoice_date)
        else:
            return None