# Copyright (C) 2018 Creu Blanca
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
from odoo import api, fields, models


class IoTDevice(models.Model):
    _inherit = "iot.device"

    output_ids = fields.One2many("iot.device.output", inverse_name="device_id")
    output_count = fields.Integer(compute="_compute_output_count")
    communication_system_id = fields.Many2one(required=False)

    @api.depends("output_ids")
    def _compute_output_count(self):
        for record in self:
            record.output_count = len(record.output_ids)

    def action_show_output(self):
        self.ensure_one()
        action = self.env.ref("iot_output_oca.iot_device_output_action")
        result = action.read()[0]

        result["context"] = {
            "default_device_id": self.id,
        }
        result["domain"] = "[('device_id', '=', " + str(self.id) + ")]"
        if len(self.output_ids) == 1:
            result["views"] = [(False, "form")]
            result["res_id"] = self.output_ids.id
        return result