<?php

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

class CreateVideoItems extends Migration {

	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
        Schema::create('video_items', function (Blueprint $table) {
            // General
            $table->bigIncrements('id');
            $table->unsignedBigInteger('backend_user_id')->nullable();
            $table->foreign('backend_user_id')->references('id')
                ->on('backend_users')->onDelete('SET NULL')->onUpdate('CASCADE');
            $table->nullableTimestamps();

            // Types
            $table->string('type', 150)->nullable();
            $table->string('date', 150)->nullable();

            // Topic
            $table->unsignedBigInteger('topic_id')->nullable();
            $table->foreign('topic_id')->references('id')
                ->on('topics')->onDelete('SET NULL')->onUpdate('CASCADE');

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

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

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

}