<?php

namespace App\Services\Customer;

use App\Http\Resources\Api\Client\ClientResource;
use App\Models\Log;
use App\Models\User;
use App\Repositories\Customer\CustomerRepositoryInterface;
use App\Services\Api\Client\ClientAuthService;
use App\Services\Customer\Concerns\ResolvesCustomer;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;
use Tymon\JWTAuth\Facades\JWTAuth;

class CustomerImpersonationService
{
    use ResolvesCustomer;

    private const TTL_SECONDS = 120;

    public function __construct(
        private readonly CustomerRepositoryInterface $customerRepository,
        private readonly ClientAuthService $clientAuthService,
    ) {}

    /**
     * Tạo mã impersonate một lần (hiệu lực 120s) để admin đăng nhập hộ khách hàng.
     * portal-client đổi code lấy token qua endpoint public `v1/client/impersonate/exchange`.
     */
    public function createLoginCode(string $uuid, User $admin, Request $request): string
    {
        $customer = $this->resolveCustomer($uuid);

        abort_if((int) $customer->status !== 1, 422, 'Khách hàng không hoạt động, không thể đăng nhập hộ.');

        $token = JWTAuth::fromUser($customer);
        $refreshToken = $this->clientAuthService->createRefreshToken($customer->id);
        $clientResource = (new ClientResource($customer))->resolve($request);

        $code = Str::random(48);
        Cache::put("impersonate:{$code}", [
            'token' => $token,
            'refresh_token' => $refreshToken,
            'client' => $clientResource,
        ], self::TTL_SECONDS);

        Log::create([
            'agent' => 'admin',
            'client_ip' => $request->ip(),
            'description' => sprintf(
                '%s đăng nhập hộ khách hàng %s',
                $admin->username ?? $admin->email ?? 'Admin',
                $customer->email,
            ),
            'customer_id' => $customer->id,
        ]);

        return $code;
    }
}