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

from odoo import _, api, fields, models


class AccountPayment(models.Model):
    _inherit = 'account.payment'

    poynt_settlement_line_ids = fields.One2many(
        'poynt.settlement.line',
        'existing_payment_id',
        string="Settlement Lines",
    )
    poynt_settlement_count = fields.Integer(
        string="Settlements",
        compute='_compute_poynt_settlement_count',
    )

    @api.depends('poynt_settlement_line_ids')
    def _compute_poynt_settlement_count(self):
        for payment in self:
            payment.poynt_settlement_count = len(payment.poynt_settlement_line_ids)

    def action_view_poynt_settlement(self):
        """Open the settlement batch linked to this payment."""
        self.ensure_one()
        batch_ids = self.poynt_settlement_line_ids.mapped('batch_id').ids
        if len(batch_ids) == 1:
            return {
                'type': 'ir.actions.act_window',
                'name': _("Settlement Batch"),
                'res_model': 'poynt.settlement.batch',
                'view_mode': 'form',
                'res_id': batch_ids[0],
            }
        return {
            'type': 'ir.actions.act_window',
            'name': _("Settlement Batches"),
            'res_model': 'poynt.settlement.batch',
            'view_mode': 'list,form',
            'domain': [('id', 'in', batch_ids)],
        }