<?php

namespace App\Traits;

use Illuminate\Database\Eloquent\Builder;

trait TenantScoped
{
    /**
     * Boot the trait.
     */
    public static function bootTenantScoped(): void
    {
        static::addGlobalScope('tenant', function (Builder $query) {
            $user = auth()->user();
            
            // 如果使用者已登入且有綁定公司，則自動注入過濾條件
            if ($user && $user->company_id) {
                $query->where((new static)->getTable() . '.company_id', $user->company_id);
            }
        });

        // 建立資料時，自動填入當前使用者的 company_id
        static::creating(function ($model) {
            if (!$model->company_id) {
                $user = auth()->user();
                if ($user && $user->company_id) {
                    $model->company_id = $user->company_id;
                }
            }
        });
    }

    /**
     * Define the company relationship.
     */
    public function company()
    {
        return $this->belongsTo(\App\Models\System\Company::class);
    }
}