<?php


namespace app;


use Fukuball\Jieba\Finalseg;
use Fukuball\Jieba\Jieba;
use Workerman\Protocols\Http\Request;
use Workerman\Protocols\Http\Response;

abstract class Api
{
    /**
     * @param Request $request
     * @return Response
     */
    public abstract function handle(Request $request);

    private static $init = false;

    public static function initOnce()
    {
        if (self::$init) {
            return;
        }
        echo "[info]", date('H:i:s'), " start load jieba dictionary ...\n";
        Jieba::init(['mode' => 'default', 'dict' => 'small']);
        Finalseg::init();
        echo "[info]", date('H:i:s'), " loaded jieba dictionary!\n";
        self::$init = true;
    }


    /**
     * @param string $string
     * @param string|null $tag
     */
    protected function log($string, $tag = "info")
    {
        echo "[{$tag}]", date('H:i:s'), " {$string} \n";
    }

    protected function success($data)
    {
        return $this->json(['code' => 0, 'data' => $data]);
    }

    /**
     * @param string $message
     * @param int $code
     * @return Response
     */
    protected function error($message = '', $code = -1)
    {
        return $this->json(['code' => $code, 'message' => $message]);
    }


    public function json($data)
    {
        return new Response(200, ['Content-Type' => 'application/json',
            'Access-Control-Allow-Origin' => '*',
            'Access-Control-Allow-Credentials' => 'true',
        ], is_string($data) ? $data : json_encode($data, JSON_UNESCAPED_UNICODE));
    }

    /**
     * @param $string
     * @return Response
     */
    public function response($string)
    {
        return new Response(200, [], $string);
    }
}