# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
"""Lightweight extension of fusion.plating.tank to surface its mapped
sensors + latest reading state inline on the tank form.
"""

from odoo import api, fields, models


class FusionPlatingTank(models.Model):
    _inherit = 'fusion.plating.tank'

    x_fc_sensor_ids = fields.One2many(
        'fp.tank.sensor', 'tank_id', string='Sensors',
    )
    x_fc_sensor_count = fields.Integer(
        string='Sensor Count', compute='_compute_sensor_stats',
    )
    x_fc_has_out_of_spec = fields.Boolean(
        string='Any Sensor Out of Spec', compute='_compute_sensor_stats',
        help='True if ANY mapped sensor\'s latest reading is out of spec.',
    )

    @api.depends('x_fc_sensor_ids.last_reading_in_spec',
                 'x_fc_sensor_ids.last_reading_at')
    def _compute_sensor_stats(self):
        for tank in self:
            live = tank.x_fc_sensor_ids.filtered(lambda s: s.last_reading_at)
            tank.x_fc_sensor_count = len(tank.x_fc_sensor_ids)
            tank.x_fc_has_out_of_spec = any(
                not s.last_reading_in_spec for s in live
            )