portal-api/app/Http/Controllers/Api/Admin/Domain/InetDomainController.php

<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api\Admin\Domain;

use App\Http\Controllers\Controller;
use App\Models\Setting;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Validator;

class InetDomainController extends Controller
{
    private const BASE_URL = 'https://developers.inet.vn/api/gateway/v1/domain';

    /**
     * Lấy API key từ settings
     */
    private function getApiKey(): ?string
    {
        $setting = Setting::where('key', 'setting')->first();
        $value = $setting ? json_decode((string) $setting->value, true) : [];
        return $value['inet_api_key'] ?? $value['api_inet'] ?? null;
    }

    /**
     * Headers mặc định cho iNET API
     */
    private function defaultHeaders(): array
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return [];
        }

        return [
            'Authorization' => 'Bearer ' . $apiKey,
            'Accept' => 'application/json',
        ];
    }

    /**
     * GET /administrator/inet-domain/whois/{domain}
     * Tra cứu thông tin WHOIS của tên miền.
     */
    public function whois(string $domain, Request $request): JsonResponse
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return response()->json([
                'error' => true,
                'message' => 'Chưa cấu hình API key iNET (api_inet).',
            ], 400);
        }

        $url = self::BASE_URL . '/whois/' . urlencode($domain);

        if ($request->boolean('refreshCache')) {
            $url .= '?refreshCache=true';
        }

        try {
            $response = Http::withHeaders($this->defaultHeaders())
                ->timeout(30)
                ->get($url);

            return $this->proxyResponse($response);
        } catch (\Throwable $e) {
            return response()->json([
                'error' => true,
                'message' => 'Lỗi kết nối iNET API: ' . $e->getMessage(),
            ], 500);
        }
    }

    /**
     * GET /administrator/inet-domain/check-available
     * Kiểm tra tên miền có khả dụng không.
     */
    public function checkAvailable(Request $request): JsonResponse
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return response()->json([
                'error' => true,
                'message' => 'Chưa cấu hình API key iNET (api_inet).',
            ], 400);
        }

        $validator = Validator::make($request->all(), [
            'name' => 'required|string|max:255',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'error' => true,
                'message' => $validator->errors()->first(),
            ], 422);
        }

        $url = self::BASE_URL . '/check-available?name=' . urlencode($request->input('name'));

        try {
            $response = Http::withHeaders($this->defaultHeaders())
                ->timeout(30)
                ->get($url);

            return $this->proxyResponse($response);
        } catch (\Throwable $e) {
            return response()->json([
                'error' => true,
                'message' => 'Lỗi kết nối iNET API: ' . $e->getMessage(),
            ], 500);
        }
    }

    /**
     * POST /administrator/inet-domain/bulk-check-available
     * Kiểm tra nhiều tên miền cùng lúc.
     */
    public function bulkCheckAvailable(Request $request): JsonResponse
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return response()->json([
                'error' => true,
                'message' => 'Chưa cấu hình API key iNET (api_inet).',
            ], 400);
        }

        $validator = Validator::make($request->all(), [
            'domains' => 'required|array|min:1',
            'domains.*' => 'required|string|max:255',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'error' => true,
                'message' => $validator->errors()->first(),
            ], 422);
        }

        try {
            $response = Http::withHeaders([
                ...$this->defaultHeaders(),
                'Content-Type' => 'application/json',
            ])
                ->timeout(30)
                ->post(self::BASE_URL . '/bulk-check-available', [
                    'domains' => $request->input('domains'),
                ]);

            return $this->proxyResponse($response);
        } catch (\Throwable $e) {
            return response()->json([
                'error' => true,
                'message' => 'Lỗi kết nối iNET API: ' . $e->getMessage(),
            ], 500);
        }
    }

    /**
     * POST /administrator/inet-domain/ai-suggest
     * Gợi ý tên miền bằng AI.
     */
    public function aiSuggest(Request $request): JsonResponse
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return response()->json([
                'error' => true,
                'message' => 'Chưa cấu hình API key iNET (api_inet).',
            ], 400);
        }

        $validator = Validator::make($request->all(), [
            'tlds' => 'required|array|min:1',
            'tlds.*' => 'required|string|max:50',
            'message' => 'required|string|max:500',
            'maxLength' => 'nullable|integer|min:1|max:100',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'error' => true,
                'message' => $validator->errors()->first(),
            ], 422);
        }

        $payload = [
            'tlds' => $request->input('tlds'),
            'message' => $request->input('message'),
        ];

        if ($request->has('maxLength')) {
            $payload['maxLength'] = $request->input('maxLength');
        }

        try {
            $response = Http::withHeaders([
                ...$this->defaultHeaders(),
                'Content-Type' => 'application/json',
            ])
                ->timeout(30)
                ->post(self::BASE_URL . '/ai-suggest', $payload);

            return $this->proxyResponse($response);
        } catch (\Throwable $e) {
            return response()->json([
                'error' => true,
                'message' => 'Lỗi kết nối iNET API: ' . $e->getMessage(),
            ], 500);
        }
    }

    /**
     * GET /administrator/inet-domain/suffixes
     * Lấy danh sách đuôi tên miền (TLD) và bảng giá.
     */
    public function suffixes(): JsonResponse
    {
        $apiKey = $this->getApiKey();

        if (! $apiKey) {
            return response()->json([
                'error' => true,
                'message' => 'Chưa cấu hình API key iNET (api_inet).',
            ], 400);
        }

        try {
            $response = Http::withHeaders($this->defaultHeaders())
                ->timeout(30)
                ->get(self::BASE_URL . '/suffixes');

            return $this->proxyResponse($response);
        } catch (\Throwable $e) {
            return response()->json([
                'error' => true,
                'message' => 'Lỗi kết nối iNET API: ' . $e->getMessage(),
            ], 500);
        }
    }

    /**
     * Xử lý response từ iNET API và trả về client.
     */
    private function proxyResponse(\Illuminate\Http\Client\Response $response): JsonResponse
    {
        $status = $response->status();

        if ($response->failed()) {
            $body = $response->json() ?? ['message' => $response->body()];
            return response()->json([
                'error' => true,
                'message' => $body['message'] ?? 'iNET API trả về lỗi HTTP ' . $status,
                'data' => $body,
            ], $status >= 400 && $status < 600 ? $status : 500);
        }

        $body = $response->json();

        return response()->json([
            'error' => false,
            'data' => $body,
        ]);
    }
}