<?php

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Support\Facades\Schema;

class CreateCardItemsTable extends Migration
{

    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('card_items', function (Blueprint $table) {
            $table->bigIncrements('id');

            // Image
            $table->unsignedBigInteger('image_id')->nullable();
            $table->foreign('image_id')->references('id')
                ->on('media_items')->onDelete('SET NULL')->onUpdate('CASCADE');

            $table->unsignedBigInteger('backend_user_id')->nullable();
            $table->foreign('backend_user_id')->references('id')
                ->on('backend_users')->onDelete('SET NULL')->onUpdate('CASCADE');

            $table->unsignedBigInteger('block_id')->nullable();
            $table->foreign('block_id')->references('id')
                ->on('blocks')->onDelete('CASCADE')->onUpdate('CASCADE');

            $table->nullableTimestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('card_items');
    }
}