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

from odoo import api, fields, models
from odoo.fields import Domain


class IotDevice(models.Model):
    _name = 'iot.device'
    _inherit = ['iot.device', 'pos.load.mixin']

    associated_pos_config_ids = fields.Many2many(
        'pos.config', string="Associated PoS", compute='_compute_associated_pos_config_ids'
    )

    # Override to disable limited loading, as this could cause missing data
    def _load_pos_data(self, data):
        domain = self._load_pos_data_domain(data)
        fields = self._load_pos_data_fields(data['pos.config'][0]['id'])
        return self.search_read(domain, fields, load=False) if domain is not False else []

    @api.model
    def _load_pos_data_domain(self, data, config):
        return [('id', 'in', config.iot_device_ids.ids)]

    @api.model
    def _load_pos_data_fields(self, config):
        return ['iot_ip', 'iot_id', 'identifier', 'type', 'manual_measurement']

    @api.depends('type')
    def _compute_associated_pos_config_ids(self):
        """Compute the associated PoS config ids for the Current device"""
        pos_config = self.env['pos.config']
        field_map = {
            'scanner': ('iface_scanner_ids', 'in'),
            'printer': ('iface_printer_id', '='),
            'display': ('iface_display_id', '='),
            'scale': ('iface_scale_id', '='),
            'fiscal_data_module':
                ('iface_fiscal_data_module', '=') if 'iface_fiscal_data_module' in pos_config._fields else (None, None),
        }

        for device in self:
            field, operator = field_map.get(device.type, (None, None))

            if not field:
                device.associated_pos_config_ids = pos_config
                continue

            domain = Domain(['&', ('is_posbox', '=', True), (field, operator, device.id)])
            device.associated_pos_config_ids = pos_config.search(domain)