<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('questions', function (Blueprint $table) {
            $table->id();
            $table->string('title', 255);
            $table->text('description')->nullable();
            $table->enum('type', ['single', 'multiple', 'text']);
            $table->integer('difficulty');
            $table->unsignedBigInteger('category_id')->nullable();
            $table->unsignedBigInteger('author_id')->nullable();
            $table->text('variants');
            $table->text('correct_answers')->default('[]');

            $table->foreign('author_id')->references('id')->on('users')->onDelete('set null');
            $table->foreign('category_id')->references('id')->on('categories')->onDelete('set null');
            $table->timestamps();
        });
    }

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