# -*- coding: utf-8 -*-
# Copyright 2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)
from odoo import api, fields, models


class FpPermit(models.Model):
    _name = 'fusion.plating.permit'
    _description = 'Fusion Plating - Regulatory Permit'
    _inherit = ['mail.thread', 'mail.activity.mixin']
    _order = 'expiry_date, name'

    name = fields.Char(string='Title', required=True, tracking=True)
    permit_type = fields.Selection(
        [('eca', 'Environmental Compliance Approval'),
         ('sewer', 'Sewer Use Permit'),
         ('waste_generator', 'Waste Generator Registration'),
         ('air', 'Air Permit'),
         ('water', 'Water Taking / Discharge'),
         ('fire', 'Fire / Hazmat'),
         ('other', 'Other')],
        string='Type', required=True, default='eca', tracking=True,
    )
    number = fields.Char(string='Permit Number', tracking=True)
    facility_id = fields.Many2one('fusion.plating.facility', string='Facility', required=True, ondelete='cascade', tracking=True)
    company_id = fields.Many2one('res.company', related='facility_id.company_id', store=True, readonly=True)
    regulator_id = fields.Many2one('fusion.plating.regulator', string='Regulator', ondelete='restrict', tracking=True)
    jurisdiction_id = fields.Many2one('fusion.plating.jurisdiction', string='Jurisdiction', ondelete='restrict')
    issue_date = fields.Date(string='Issued', tracking=True)
    expiry_date = fields.Date(string='Expires', tracking=True)
    state = fields.Selection(
        [('draft', 'Draft'), ('pending', 'Pending'), ('active', 'Active'),
         ('expired', 'Expired'), ('revoked', 'Revoked')],
        string='Status', default='draft', required=True, tracking=True,
    )
    renewal_reminder_days = fields.Integer(string='Reminder (days before expiry)', default=60)
    days_until_expiry = fields.Integer(string='Days Until Expiry', compute='_compute_days_until_expiry')
    is_expiring_soon = fields.Boolean(string='Expiring Soon', compute='_compute_days_until_expiry', search='_search_is_expiring_soon')
    condition_ids = fields.One2many('fusion.plating.permit.condition', 'permit_id', string='Conditions', copy=True)
    condition_count = fields.Integer(compute='_compute_condition_count')
    attachment_ids = fields.Many2many(
        'ir.attachment', 'fp_permit_attachment_rel', 'permit_id', 'attachment_id', string='Attachments',
    )
    notes = fields.Html(string='Notes')
    active = fields.Boolean(default=True)

    @api.depends('expiry_date')
    def _compute_days_until_expiry(self):
        today = fields.Date.context_today(self)
        for rec in self:
            if rec.expiry_date:
                delta = (rec.expiry_date - today).days
                rec.days_until_expiry = delta
                rec.is_expiring_soon = 0 <= delta <= (rec.renewal_reminder_days or 60)
            else:
                rec.days_until_expiry = 0
                rec.is_expiring_soon = False

    def _search_is_expiring_soon(self, operator, value):
        today = fields.Date.context_today(self)
        permits = self.search([('expiry_date', '!=', False)])
        soon_ids = []
        for p in permits:
            delta = (p.expiry_date - today).days
            if 0 <= delta <= (p.renewal_reminder_days or 60):
                soon_ids.append(p.id)
        if (operator == '=' and value) or (operator == '!=' and not value):
            return [('id', 'in', soon_ids)]
        return [('id', 'not in', soon_ids)]

    @api.depends('condition_ids')
    def _compute_condition_count(self):
        for rec in self:
            rec.condition_count = len(rec.condition_ids)

    def action_activate(self):
        self.write({'state': 'active'})

    def action_set_pending(self):
        self.write({'state': 'pending'})

    def action_revoke(self):
        self.write({'state': 'revoked'})

    def action_mark_expired(self):
        self.write({'state': 'expired'})