# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
# Part of the Fusion Plating product family.

from odoo import api, fields, models


class FpCalibrationEvent(models.Model):
    """A single calibration event against a piece of equipment.

    Captures who calibrated it, the result (pass / limited / fail), the
    as-found and as-left readings, and the certificate reference. A failed
    calibration carries an impact_assessment field so the QM can document
    which jobs may have been measured by an out-of-tolerance instrument.
    """
    _name = 'fusion.plating.calibration.event'
    _description = 'Fusion Plating — Calibration Event'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'cal_date desc, id desc'
    _rec_name = 'display_name'

    equipment_id = fields.Many2one(
        'fusion.plating.calibration.equipment',
        string='Equipment',
        required=True,
        ondelete='cascade',
        tracking=True,
    )
    display_name = fields.Char(
        compute='_compute_display_name',
        store=True,
    )
    cal_date = fields.Date(
        string='Calibration Date',
        required=True,
        default=lambda self: fields.Date.context_today(self),
        tracking=True,
    )
    performed_by_id = fields.Many2one(
        'res.users',
        string='Performed By',
        default=lambda self: self.env.user,
        tracking=True,
    )
    performed_by_external = fields.Char(
        string='External Calibration House',
        help='If calibrated by an outside lab, name them here.',
    )
    result = fields.Selection(
        [
            ('pass', 'Pass'),
            ('limited', 'Pass with Limitations'),
            ('fail', 'Fail'),
        ],
        string='Result',
        required=True,
        default='pass',
        tracking=True,
    )
    as_found_notes = fields.Text(
        string='As-Found Readings',
    )
    as_left_notes = fields.Text(
        string='As-Left Readings',
    )
    certificate_ref = fields.Char(
        string='Certificate #',
    )
    impact_assessment = fields.Html(
        string='Impact Assessment',
        help='If the result is Fail or Limited, document which jobs / parts '
             'were measured by this instrument since the last calibration.',
    )
    facility_id = fields.Many2one(
        related='equipment_id.facility_id',
        store=True,
        readonly=True,
    )
    company_id = fields.Many2one(
        'res.company',
        related='equipment_id.company_id',
        store=True,
        readonly=True,
    )

    @api.depends('equipment_id.code', 'cal_date')
    def _compute_display_name(self):
        for rec in self:
            if rec.equipment_id and rec.cal_date:
                rec.display_name = f'{rec.equipment_id.code} — {rec.cal_date}'
            else:
                rec.display_name = 'Calibration Event'