<?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('enrollments', function (Blueprint $table) {
            $table->id();
            $table->foreignId('user_id')->constrained()->onDelete('cascade');
            $table->foreignId('course_id')->constrained()->onDelete('cascade');
            $table->enum('status', ['enrolled', 'completed', 'dropped'])->default('enrolled');
            $table->integer('progress')->default(0); // 0-100%
            $table->json('completed_sessions')->nullable(); // Array of session IDs
            $table->timestamp('enrolled_at')->useCurrent();
            $table->timestamp('completed_at')->nullable();
            $table->timestamps();

            $table->unique(['user_id', 'course_id']);
        });
    }

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