<?php

namespace App\Http\Middleware;

use App\Enums\ApiStatus;
use App\Http\Resources\Api\V2\ApiResponse as V2ApiResponse;
use App\Lib\Helper;
use App\Models\Service;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;

class ApiResponse
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure                 $next
     * @return mixed
     * @throws \ErrorException If the received response is not a JsonResponse.
     */
    public function handle(Request $request, \Closure $next)
    {
        /** @var \Illuminate\Http\JsonResponse $response */
        $response = $next($request);

        if (\get_class($response) !== JsonResponse::class) {
            // @codeCoverageIgnoreStart
            throw new \ErrorException('All api responses should be json.');
            // @codeCoverageIgnoreEnd
        }

        // Set no cache header.
        $response->header('Cache-Control', 'No-Store');

        if (Helper::isRequestForApiV1($request)) {
            // @codeCoverageIgnoreStart
            try {
                $bearerToken = Helper::getBearerTokenFromRequest($request) ?? $request->api_token ?? '';
                $service     = Service::getFromBearerToken($bearerToken);
                $service->incrementStat();
            } catch (ModelNotFoundException $e) {
                Log::error(sprintf('Could not increment stats %s', $e->getMessage()));
            }
            return $response;
            // @codeCoverageIgnoreEnd
        }

        /** @var \App\Models\Service|null */
        if (\optional($service = app(Service::class))->id) {
            $service->incrementStat();
        }

        /** @var object $data */
        $data = $response->getData();

        // If reponse is already a V2ApiResponse then just return it. This happens if error handler comes to action.
        if (
            isset($data->status) and
            isset($data->data) and
            isset($data->version) and
            in_array($data->status, [ApiStatus::OK()->value, ApiStatus::KO()->value])
        ) {
            return $response;
        }

        /** @var \App\Enums\ApiStatus $status */
        $status = intval($response->getStatusCode() / 100) == 2 ? ApiStatus::OK() : ApiStatus::KO();
        return $response->setData(new V2ApiResponse((object)$response->getData(), $status));
    }
}