<?php

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

class CreateVideoLanguagesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('video_languages', function (Blueprint $table) {
            $table->bigIncrements('translation_id');
            
            $table->unsignedBigInteger('video_id');
            $table->string('language_id', 10);
            
            $table->string('title', 150);
            $table->string('sub_title', 150)->nullable();
            
            $table->unique(['video_id', 'language_id'], 'idx_video_lang');
            $table->foreign('video_id')
                ->references('id')
                ->on('videos')
                ->onDelete('CASCADE')
                ->onUpdate('CASCADE');
            
            $table->timestamps();
        });
    }

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