<?php
namespace app\common\utility;

use think\Log;

define('CPS_FATAL',  E_ERROR | E_USER_ERROR |  E_CORE_ERROR | E_COMPILE_ERROR | E_RECOVERABLE_ERROR| E_PARSE | E_STRICT);

class CPSError{
    private $errCode = array (
        E_ERROR              => 'Error',
        E_WARNING            => 'Warning',
        E_PARSE              => 'Parsing Error',
        E_NOTICE             => 'Notice',
        E_CORE_ERROR         => 'Core Error',
        E_CORE_WARNING       => 'Core Warning',
        E_COMPILE_ERROR      => 'Compile Error',
        E_COMPILE_WARNING    => 'Compile Warning',
        E_USER_ERROR         => 'User Error',
        E_USER_WARNING       => 'User Warning',
        E_USER_NOTICE        => 'User Notice',
        E_STRICT             => 'Runtime Notice',
        E_RECOVERABLE_ERROR  => 'Catchable Fatal Error'
    );

    /**
     * 单例对象
     */
    protected static $instance;

    /**
     * 初始化
     * @access public
     */
    public static function hanndle(){
        if (is_null(self::$instance)) {
            self::$instance = new static();
        }
        return self::$instance;
    }

    /**
     * 构造函数
     * CPSError constructor.
     */
    private function __construct(){
        error_reporting(E_ALL);
        @register_shutdown_function([$this,'hanndleFatal']);
        @set_error_handler([$this, 'writeLogAndThrowExcption']);
    }

    /**
     * 错误处理
     * @throws \Exception
     */
    public function hanndleFatal(){
        $error = error_get_last();
        if($error && ($error["type"]===($error["type"] & CPS_FATAL))) {
            $this->writeLogAndThrowExcption($error["type"], $error["message"], $error["file"], $error["line"]);
        }
    }

    /**
     * 写日志信息
     * @param $errno
     * @param $errmsg
     * @param $filename
     * @param $linenum
     * @throws \Exception
     */
    public function writeLogAndThrowExcption($errno, $errmsg, $filename, $linenum)
    {
        Log::error('CPSException: Type:'.($this->errCode[$errno] ?? '未知错误').' Line:'.$linenum.' File:'.$filename.' Msg:'.$errmsg);
        throw new \Exception($errmsg);
    }

    public function __destruct(){
        restore_error_handler();
    }
}