<?php

declare(strict_types=1);

namespace Tests\Feature\Console;

use App\Enums\Invoice\InvoiceStatus;
use App\Enums\Order\OrderStatus;
use App\Models\Customer;
use App\Models\Invoice;
use App\Models\Order;
use App\Models\OrderItem;
use App\Models\Product;
use App\Models\Service;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class ServiceExpiryTest extends TestCase
{
    use RefreshDatabase;

    private function createExpiringService(int $price): Service
    {
        $customer = Customer::factory()->create();
        $product = Product::factory()->create(['product_type' => 'hosting', 'is_active' => true]);

        $order = Order::create([
            'order_num'   => 'ORD-' . uniqid(),
            'customer_id' => $customer->id,
            'sub_total'   => $price,
            'total'       => $price,
            'status'      => OrderStatus::ACTIVE->value,
        ]);

        $orderItem = OrderItem::create([
            'order_id'      => $order->id,
            'product_id'    => $product->id,
            'billing_cycle' => 'monthly',
            'months'        => 1,
            'quantity'      => 1,
            'price'         => $price,
        ]);

        return Service::create([
            'customer_id'   => $customer->id,
            'product_id'    => $product->id,
            'order_item_id' => $orderItem->id,
            'status'        => 'active',
            'server_name'   => 'test-server',
            'expires_at'    => now()->addDays(3),
        ]);
    }

    public function test_expiry_command_creates_renewal_invoice_on_the_original_order(): void
    {
        $service = $this->createExpiringService(90_000);
        $originalOrderId = $service->orderItem->order_id;

        $this->artisan('service:expiry')->assertExitCode(0);

        $service->refresh();
        $this->assertNotNull($service->invoice_id);

        $invoice = Invoice::find($service->invoice_id);
        $this->assertSame($originalOrderId, $invoice->order_id);
        $this->assertSame(2, $invoice->invoice_type);
        $this->assertSame(InvoiceStatus::UNPAID->value, $invoice->status);
        $this->assertNotNull($invoice->billing_period_start);
        $this->assertNotNull($invoice->billing_period_end);

        // Order 1:N Invoice — no second Order row created for the renewal.
        $this->assertSame(1, Order::query()->count());
    }

    public function test_running_expiry_command_twice_does_not_duplicate_the_renewal_invoice(): void
    {
        $service = $this->createExpiringService(90_000);

        $this->artisan('service:expiry')->assertExitCode(0);
        $firstInvoiceId = $service->refresh()->invoice_id;

        $this->artisan('service:expiry')->assertExitCode(0);
        $secondInvoiceId = $service->refresh()->invoice_id;

        $this->assertSame($firstInvoiceId, $secondInvoiceId);
        $this->assertSame(1, Invoice::where('invoice_type', 2)->count());
    }

    public function test_cancelled_service_does_not_get_a_renewal_invoice(): void
    {
        $service = $this->createExpiringService(90_000);
        $service->update(['status' => 'cancelled', 'expires_at' => now()->subDay()]);

        $this->artisan('service:expiry')->assertExitCode(0);

        $this->assertNull($service->refresh()->invoice_id);
        $this->assertSame(0, Invoice::where('invoice_type', 2)->count());
    }

    /**
     * Đúng flow đề bài mục 6: Invoice gia hạn quá due_date -> chuyển OVERDUE (không tạo Invoice mới).
     * Test này verify bước tiếp theo: cron service:expiry chạy lại SAU KHI invoice đã OVERDUE
     * (không còn UNPAID nữa) vẫn phải nhận ra invoice đang mở và KHÔNG tạo invoice #2 trùng kỳ.
     */
    public function test_expiry_command_does_not_duplicate_invoice_after_it_became_overdue(): void
    {
        $service = $this->createExpiringService(90_000);

        // Lần chạy 1: sinh invoice gia hạn (UNPAID).
        $this->artisan('service:expiry')->assertExitCode(0);
        $invoiceId = $service->refresh()->invoice_id;
        $this->assertNotNull($invoiceId);

        // Giả lập thời gian trôi qua khỏi due_date rồi cron invoices:check-overdue chạy thật,
        // chuyển invoice sang OVERDUE — đúng như flow thật, không set status tay.
        Invoice::whereKey($invoiceId)->update(['due_date' => now()->subDay()->toDateString()]);
        $this->artisan('invoices:check-overdue')->assertExitCode(0);

        $invoice = Invoice::find($invoiceId);
        $this->assertSame(InvoiceStatus::OVERDUE->value, (int) $invoice->status);

        // Lần chạy 2: service:expiry chạy lại (vd. mỗi 5 phút) trong khi invoice đang OVERDUE.
        $this->artisan('service:expiry')->assertExitCode(0);

        $this->assertSame($invoiceId, $service->refresh()->invoice_id);
        $this->assertSame(1, Invoice::where('invoice_type', 2)->count());
        // Vẫn đúng là OVERDUE — service:expiry không được đụng vào status của invoice.
        $this->assertSame(InvoiceStatus::OVERDUE->value, (int) $invoice->fresh()->status);
    }
}