<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
return new class extends Migration {
    public function up(): void {
        Schema::create('quizzes', function (Blueprint $table) {
            $table->id();
            $table->foreignId('subject_id')->constrained()->cascadeOnDelete();
            $table->string('title');
            $table->text('description')->nullable();
            $table->boolean('active')->default(true);
            $table->timestamps();
        });
        Schema::create('quiz_questions', function (Blueprint $table) {
            $table->id();
            $table->foreignId('quiz_id')->constrained()->cascadeOnDelete();
            $table->unsignedSmallInteger('sort_order')->default(0);
            $table->enum('type', ['multiple_choice','exclusion','true_false','free_text']);
            $table->text('question_text');
            $table->unsignedSmallInteger('time_limit')->nullable();
            $table->string('correct_answer')->nullable();
            $table->timestamps();
        });
        Schema::create('quiz_answer_options', function (Blueprint $table) {
            $table->id();
            $table->foreignId('quiz_question_id')->constrained()->cascadeOnDelete();
            $table->string('text');
            $table->boolean('is_correct')->default(false);
            $table->unsignedSmallInteger('sort_order')->default(0);
        });
    }
    public function down(): void {
        Schema::dropIfExists('quiz_answer_options');
        Schema::dropIfExists('quiz_questions');
        Schema::dropIfExists('quizzes');
    }
};