# -*- coding: utf-8 -*-
# Copyright 2024-2026 Nexa Systems Inc.
# License OPL-1 (Odoo Proprietary License v1.0)

from odoo import models, fields, api


class ResUsers(models.Model):
    _inherit = 'res.users'

    x_fc_is_field_staff = fields.Boolean(
        string='Field Staff',
        default=False,
        help='Check this to show the user in the Technician/Field Staff dropdown when scheduling tasks.',
    )
    x_fc_start_address = fields.Char(
        related='partner_id.x_fc_start_address',
        readonly=False,
        string='Start Location',
    )
    x_fc_tech_sync_id = fields.Char(
        string='Tech Sync ID',
        help='Shared identifier for this technician across Odoo instances. '
             'Must be the same value on all instances for the same person.',
        copy=False,
    )

    @api.onchange('x_fc_tech_sync_id')
    def _onchange_x_fc_tech_sync_id_dup_warning(self):
        if not self.x_fc_tech_sync_id:
            return
        dup = self.env['res.users'].sudo().search([
            ('id', '!=', self._origin.id or self.id),
            ('x_fc_tech_sync_id', '=', self.x_fc_tech_sync_id),
            ('x_fc_is_field_staff', '=', True),
            ('active', '=', True),
        ], limit=1)
        if dup:
            return {
                'warning': {
                    'title': "Duplicate Tech Sync ID",
                    'message': (
                        f"Tech Sync ID {self.x_fc_tech_sync_id!r} is already used "
                        f"by {dup.login} ({dup.partner_id.name}). Cross-instance "
                        f"task sync only routes to ONE user per sync ID — "
                        f"pick a unique value or only one tech's tasks will sync."
                    ),
                }
            }