<?php

class Json implements JsonSerializable
{
    function __construct(
        private mixed $struct
    ) {
        $this->struct = $struct;
    }

    public static function new(mixed $struct): Json
    {
        return new Json($struct);
    }

    public static function error(mixed $msg): Json
    {
        return new Json([
            'type' => 'error',
            'msg' => $msg,
        ]);
    }

    public function jsonSerialize(): array
    {
        return $this->struct;
    }

    public function die()
    {
        print(json_encode($this->struct));
        die();
    }
}