?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('invoice_items', function (Blueprint $table) {
            $table->id();
            $table->foreignId('invoice_id')->constrained()->cascadeOnDelete()->index();
            $table->foreignId('order_item_id')->nullable()->constrained()->nullOnDelete();
            $table->string('description');
            $table->unsignedInteger('qty')->default(1);
            $table->decimal('unit_price', 12, 4)->default(0);
            $table->decimal('total', 12, 4)->default(0);
            $table->timestamps();
        });
    }
    public function down(): void { Schema::dropIfExists('invoice_items'); }
};