<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Http\Response;

class RecordApiLog
{
    /**
     * @param Request $request
     * @param Closure $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next): mixed
    {
        $request->attributes->set('start_time', microtime(true));

        return $next($request);
    }

    /**
     * @param Request $request
     * @param Response|JsonResponse $response
     */
    public function terminate(Request $request, Response|JsonResponse $response): void
    {
        //结束时间
        $end = microtime(true);
        $diff = $end - $request->attributes->get('start_time');

        $ip = json_encode($request->ips(),256);

        if ($response instanceof JsonResponse) {
            $responseStr = $this->getJsonResponseStr($response);
        } else {
            $responseStr = $this->getResponseStr($response);
        }

        recordLog('RecordApiUse', implode("\n", [
            '请求地址: '. $ip. '|'. $request->method(). '|'. $request->url(),
            '请求入参: '. json_encode(request()->all(), JSON_UNESCAPED_UNICODE),
            '请求出参: '. $responseStr,
            '耗时:  '. sprintf("%.6f", $diff). 's'
        ]));
    }

    /**
     * 获取响应字符串
     * @param Response $response
     * @return string
     */
    protected function getResponseStr(Response $response): string
    {
        return PHP_EOL. sprintf('HTTP/%s %s %s', $response->getProtocolVersion(), $response->getStatusCode(), Response::$statusTexts[$response->getStatusCode()]). PHP_EOL.
            $response->headers. PHP_EOL.
            json_encode($response->getContent(), JSON_UNESCAPED_UNICODE);
    }

    /**
     * 获取json相应字符串
     * @param JsonResponse $response
     * @return string
     */
    protected function getJsonResponseStr(JsonResponse $response): string
    {
        return PHP_EOL. sprintf('HTTP/%s %s %s', $response->getProtocolVersion(), $response->getStatusCode(), Response::$statusTexts[$response->getStatusCode()]). PHP_EOL.
            $response->headers. PHP_EOL. json_encode($response->getData(), JSON_UNESCAPED_UNICODE);
    }
}