<?php

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

class CreateFoldersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('folders', function (Blueprint $table) {
            $table->id();
            $table->bigInteger('account_id')->unsigned();
            $table->bigInteger('parent_id')->unsigned()->nullable();
            $table->string('name', 45);
            $table->timestamps();

            $table->foreign('account_id')
                ->references('id')
                ->on('accounts')
                ->onDelete('cascade');

            $table->foreign('parent_id')
                ->references('id')
                ->on('folders')
                ->onDelete('cascade');
        });
    }

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