<?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('courses', function (Blueprint $table) {
            $table->id();
            $table->foreignId('lecturer_id')->nullable()->constrained()->nullOnDelete();
            $table->string('code', 20)->unique();
            $table->string('name', 100);
            $table->integer('credit')->default(3);
            $table->unsignedInteger('semester')->default(1);
            $table->timestamp('created_at')->useCurrent();
            $table->timestamp('updated_at')->nullable()->useCurrentOnUpdate();
            $table->softDeletes();
        });
    }

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