# -*- 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 FpCapa(models.Model):
    """Corrective and Preventive Action.

    A CAPA carries an issue from "we found a problem" all the way to
    "we proved the fix worked". Each CAPA has an owner, a due date, an
    action plan, and an effectiveness verification step.
    """
    _name = 'fusion.plating.capa'
    _description = 'Fusion Plating — Corrective / Preventive Action'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'due_date asc, id desc'

    name = fields.Char(
        string='Reference',
        required=True,
        copy=False,
        readonly=True,
        default=lambda self: self._default_name(),
        tracking=True,
    )
    state = fields.Selection(
        [
            ('draft', 'Draft'),
            ('analysis', 'Analysis'),
            ('implementation', 'Implementation'),
            ('verification', 'Verification'),
            ('effective', 'Effective'),
            ('not_effective', 'Not Effective'),
            ('closed', 'Closed'),
        ],
        string='Status',
        default='draft',
        required=True,
        tracking=True,
    )
    type = fields.Selection(
        [
            ('corrective', 'Corrective'),
            ('preventive', 'Preventive'),
        ],
        string='Type',
        default='corrective',
        required=True,
        tracking=True,
    )
    ncr_id = fields.Many2one(
        'fusion.plating.ncr',
        string='Source NCR',
        ondelete='set null',
        tracking=True,
    )
    facility_id = fields.Many2one(
        'fusion.plating.facility',
        string='Facility',
        related='ncr_id.facility_id',
        store=True,
        readonly=False,
    )
    company_id = fields.Many2one(
        'res.company',
        related='facility_id.company_id',
        store=True,
        readonly=True,
    )
    description = fields.Html(string='Description')
    root_cause_analysis = fields.Html(
        string='Root Cause Analysis',
        help='Use 5 Whys, fishbone, or any structured method.',
    )
    action_plan = fields.Html(string='Action Plan')
    owner_id = fields.Many2one(
        'res.users',
        string='Owner',
        required=True,
        default=lambda self: self.env.user,
        tracking=True,
    )
    due_date = fields.Date(string='Due Date', tracking=True)
    verification_date = fields.Date(string='Verification Date', tracking=True)
    verification_by_id = fields.Many2one(
        'res.users',
        string='Verified By',
        tracking=True,
    )
    is_effective = fields.Boolean(string='Effective', tracking=True)
    effectiveness_notes = fields.Html(string='Effectiveness Notes')
    is_overdue = fields.Boolean(
        string='Overdue',
        compute='_compute_is_overdue',
        search='_search_is_overdue',
    )
    active = fields.Boolean(default=True)

    @api.model
    def _default_name(self):
        seq = self.env['ir.sequence'].next_by_code('fusion.plating.capa')
        return seq or '/'

    @api.model_create_multi
    def create(self, vals_list):
        for vals in vals_list:
            if not vals.get('name') or vals.get('name') == '/':
                vals['name'] = self._default_name()
        return super().create(vals_list)

    @api.depends('due_date', 'state')
    def _compute_is_overdue(self):
        today = fields.Date.context_today(self)
        for rec in self:
            rec.is_overdue = bool(
                rec.due_date
                and rec.state not in ('effective', 'closed')
                and rec.due_date < today
            )

    def _search_is_overdue(self, operator, value):
        today = fields.Date.context_today(self)
        if (operator == '=' and value) or (operator == '!=' and not value):
            return [
                ('due_date', '<', today),
                ('state', 'not in', ['effective', 'closed']),
            ]
        return [
            '|',
            ('due_date', '>=', today),
            ('state', 'in', ['effective', 'closed']),
        ]

    def action_start_analysis(self):
        self.write({'state': 'analysis'})

    def action_start_implementation(self):
        self.write({'state': 'implementation'})

    def action_start_verification(self):
        self.write({'state': 'verification'})

    def action_mark_effective(self):
        self.write({
            'state': 'effective',
            'is_effective': True,
            'verification_date': fields.Date.context_today(self),
            'verification_by_id': self.env.user.id,
        })

    def action_mark_not_effective(self):
        self.write({
            'state': 'not_effective',
            'is_effective': False,
            'verification_date': fields.Date.context_today(self),
            'verification_by_id': self.env.user.id,
        })

    def action_close(self):
        self.write({'state': 'closed'})

    def action_reset_to_draft(self):
        self.write({'state': 'draft'})