<?php

namespace App\Tenancy;

use App\Models\Tenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * Apply to any model with a tenant_id column. Adds the global scope
 * and auto-fills tenant_id from Tenancy::current() on creation when
 * the caller didn't set one explicitly.
 *
 * @mixin Model
 */
trait HasTenant
{
    public static function bootHasTenant(): void
    {
        static::addGlobalScope(new TenantScope);

        static::creating(function (Model $model): void {
            if (empty($model->tenant_id) && Tenancy::current()) {
                $model->tenant_id = Tenancy::current()->id;
            }
        });
    }

    public function tenant(): BelongsTo
    {
        return $this->belongsTo(Tenant::class);
    }
}