<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class Permission extends Model
{
    use HasFactory;

    protected $fillable = [
        'name',
        'display_name',
        'description',
        'module',
        'is_active',
    ];

    protected $casts = [
        'is_active' => 'boolean',
    ];

    /**
     * Get the roles that have this permission
     */
    public function roles(): BelongsToMany
    {
        return $this->belongsToMany(Role::class, 'role_permissions')
                    ->withTimestamps();
    }

    /**
     * Get users who have this permission directly
     */
    public function users(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'user_permissions')
                    ->withPivot(['granted', 'branch_code', 'assigned_at', 'expires_at'])
                    ->withTimestamps();
    }

    /**
     * Scope to filter by module
     */
    public function scopeByModule($query, string $module)
    {
        return $query->where('module', $module);
    }

    /**
     * Scope to filter active permissions
     */
    public function scopeActive($query)
    {
        return $query->where('is_active', true);
    }
}