?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('invoices', function (Blueprint $table) {
            $table->id();
            $table->string('invoice_number')->unique();
            $table->foreignId('customer_id')->constrained()->cascadeOnDelete()->index();
            $table->foreignId('company_id')->nullable()->constrained()->nullOnDelete()->index();
            $table->string('currency', 3)->default('USD');
            $table->string('status')->default('draft')->index();
            $table->decimal('subtotal', 12, 4)->default(0);
            $table->decimal('tax_total', 12, 4)->default(0);
            $table->decimal('discount_total', 12, 4)->default(0);
            $table->decimal('total', 12, 4)->default(0);
            $table->decimal('amount_paid', 12, 4)->default(0);
            $table->decimal('amount_due', 12, 4)->default(0);
            $table->date('issue_date');
            $table->date('due_date')->index();
            $table->timestamp('paid_at')->nullable();
            $table->text('notes')->nullable();
            $table->text('terms')->nullable();
            $table->string('pdf_path')->nullable();
            $table->timestamps();
        });
    }
    public function down(): void { Schema::dropIfExists('invoices'); }
};