# models/models.py
from odoo import models, fields, api, tools, _
from collections import defaultdict

class MenuControlUnits(models.Model):
    _name = 'menu.control.units'
    _rec_name = 'unit_name'

    _sql_constraints = [
        ('unique_unit_name', 'UNIQUE(unit_name)', "'Unit Name' already defined. Please don't confuse me 😤.")
    ]

    unit_name = fields.Char(string='Unit Name',required=True)
    department_ids = fields.Many2many('hr.department')

    user_ids = fields.Many2many('res.users')

    def generate_department_user_ids(self):
        for rec in self:
            user_ids = self.env['hr.employee'].sudo().search([('department_id','in',rec.department_ids.ids)]).user_id.ids
            self.write({
                'user_ids': [(6, 0, user_ids)]
            })

class MenuAccessControl(models.Model):
    _name = 'menu.access.control'
    _description = 'Menu Access Control'
    _rec_name = 'control_unit'

    _sql_constraints = [
        ('unique_control_unit', 'UNIQUE(control_unit)', "Only one service can exist with a specific control_unit. Please don't confuse me 🤪.")
    ]

    control_unit = fields.Many2one('menu.control.units',required=True)
    user_ids = fields.Many2many('res.users', string="Users", related='control_unit.user_ids')


    access_menu_line_ids = fields.One2many(
        'menu.access.line', 'access_control_id',
        string="Accessible Menus"
    )

    def action_generate_menus(self):
        """Button to fetch active top-level menus and populate access lines."""
        menu_lines = []
        active_menus = self.env['ir.ui.menu'].search([
            ('parent_id', '=', False),  # top-level menus
            ('active', '=', True)
        ])
        for menu in active_menus:
            menu_lines.append((0, 0, {
                'menu_id': menu.id,
                'is_main_menu': True
            }))
        self.access_menu_line_ids = menu_lines


class MenuAccessLine(models.Model):
    _name = 'menu.access.line'
    _description = 'Menu Access Line'
    _rec_name = 'menu_id'

    access_control_id = fields.Many2one('menu.access.control', ondelete='cascade')
    menu_id = fields.Many2one('ir.ui.menu', string="Menu")
    is_main_menu = fields.Boolean(string="Is Main Menu", default=True)