<?php

namespace App\Http\Controllers\Api\Customer;

use App\Http\Controllers\Controller;
use App\Models\ManualInvoice;
use App\Services\ManualInvoiceService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

/**
 * CustomerInvoiceController — API فاکتورهای دستی برای مشتری (در پورتال وردپرس)
 *
 * مسیرها:
 *   GET  /api/v1/customer/invoices            — لیست فاکتورها
 *   GET  /api/v1/customer/invoices/{id}       — جزئیات فاکتور
 *   POST /api/v1/customer/invoices/{id}/pay   — پرداخت از کیف پول
 */
class CustomerInvoiceController extends Controller
{
    public function __construct(
        protected ManualInvoiceService $invoiceService,
    ) {}

    /**
     * GET /api/v1/customer/invoices
     * لیست فاکتورهای مشتری با امکان فیلتر بر اساس وضعیت.
     */
    public function index(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'status' => ['nullable', 'string', 'in:pending_payment,paid,cancelled,expired'],
            'per_page' => ['nullable', 'integer', 'min:10', 'max:100'],
        ]);

        $user = Auth::user();
        $invoices = $this->invoiceService->getCustomerInvoices($user, $validated);

        return response()->json([
            'success' => true,
            'data' => [
                'invoices' => $invoices->items(),
                'pagination' => [
                    'current_page' => $invoices->currentPage(),
                    'last_page'    => $invoices->lastPage(),
                    'per_page'     => $invoices->perPage(),
                    'total'        => $invoices->total(),
                ],
            ],
        ]);
    }

    /**
     * GET /api/v1/customer/invoices/{id}
     * جزئیات یک فاکتور.
     */
    public function show(int $id): JsonResponse
    {
        $user = Auth::user();
        $invoice = ManualInvoice::where('id', $id)
            ->where('user_id', $user->id)
            ->with(['issuedBy:id,name'])
            ->first();

        if (! $invoice) {
            return response()->json([
                'success' => false,
                'message' => 'فاکتور یافت نشد.',
            ], 404);
        }

        return response()->json([
            'success' => true,
            'data' => $this->invoiceService->toArray($invoice),
        ]);
    }

    /**
     * POST /api/v1/customer/invoices/{id}/pay
     * پرداخت فاکتور از کیف پول مشتری.
     */
    public function pay(int $id): JsonResponse
    {
        $user = Auth::user();
        $invoice = ManualInvoice::where('id', $id)
            ->where('user_id', $user->id)
            ->first();

        if (! $invoice) {
            return response()->json([
                'success' => false,
                'message' => 'فاکتور یافت نشد.',
            ], 404);
        }

        try {
            $paid = $this->invoiceService->payFromWallet($invoice, $user->id);

            return response()->json([
                'success' => true,
                'message' => 'فاکتور با موفقیت پرداخت شد.',
                'data' => $this->invoiceService->toArray($paid),
            ]);
        } catch (\RuntimeException $e) {
            return response()->json([
                'success' => false,
                'message' => $e->getMessage(),
            ], 400);
        } catch (\Throwable $e) {
            report($e);
            return response()->json([
                'success' => false,
                'message' => 'خطای داخلی سرور هنگام پرداخت فاکتور.',
            ], 500);
        }
    }
}