# -*- coding: utf-8 -*-

from odoo import models, fields, api

class LoyaltyCard(models.Model):
    _inherit = 'loyalty.card'

    limit = fields.Boolean(string="Limit")
    limit_count = fields.Integer(string="Limit Count", default=1)
    limit_period = fields.Selection([
        ('day', 'Per Day'),
        ('month', 'Per Month'),
        ('year', 'Per Year')
    ], string="Limit Period", default='day')

    backend_usage_count = fields.Integer(compute='_compute_backend_usage_count', string="Usage Count in Period")

    def _compute_backend_usage_count(self):
        for card in self:
            if not card.limit:
                card.backend_usage_count = 0
                continue
            
            domain = [('card_id', '=', card.id), ('used', '>', 0)]
            today = fields.Datetime.now()
            
            if card.limit_period == 'day':
                domain.append(('create_date', '>=', today.replace(hour=0, minute=0, second=0, microsecond=0)))
            elif card.limit_period == 'month':
                domain.append(('create_date', '>=', today.replace(day=1, hour=0, minute=0, second=0, microsecond=0)))
            elif card.limit_period == 'year':
                domain.append(('create_date', '>=', today.replace(month=1, day=1, hour=0, minute=0, second=0, microsecond=0)))
            
            card.backend_usage_count = self.env['loyalty.history'].search_count(domain)

    @api.model
    def _load_pos_data_fields(self, config):
        fields_list = super()._load_pos_data_fields(config)
        fields_list.extend(['limit', 'limit_count', 'limit_period', 'backend_usage_count'])
        return fields_list