<?php

namespace Tansilu\HfPayLib\http;

use GuzzleHttp\Exception\InvalidArgumentException;
use Psr\Http\Message\ResponseInterface;
use Tansilu\HfPayLib\exception\ApiException;

class Response
{
    /**
     * @var int 状态码
     */
    private int $statusCode = 200;
    private ?array $body = [];

    private string $source;

    /**
     * @throws ApiException
     */
    public static function make(ResponseInterface $response): Response
    {
        $self = new self();
        $self->statusCode = $response->getStatusCode();

        $self->source = $response->getBody()->getContents();

        if(!empty($self->source)) {
            $contentType = $response->getHeader('Content-Type');
            if(empty($contentType)) {
                throw new ApiException('反馈的消息未指明内容格式Content-Type');
            }
            $bodyFormat = explode(';', $contentType[0]);
            switch ($bodyFormat[0]) {
                case 'text/html':
                case 'application/json':
                    try {
                        $deRet = json_decode($self->source, true);
                        if($deRet != null) {
                            $self->body = $deRet;
                        }
                    } catch (InvalidArgumentException $e) {
                        throw new ApiException('反馈的消息格式错误');
                    }
                    break;
                case 'application/xml':
                case 'text/plain':
                default:
                    throw new ApiException('反馈的数据格式不支持处理' . $bodyFormat[0]);
            }
        }
        return $self;
    }

    public static function tempInit(int $code, ?array $body): Response
    {
        $self = new self();
        $self->statusCode = $code;
        $self->body = $body;
        return $self;
    }

    /**
     * @return bool 是否成功
     */
    public function isSuccess(): bool
    {
        return $this->statusCode >= 200 && $this->statusCode < 300;
    }

    public function getCode(): int
    {
        return $this->statusCode;
    }

    public function getBody(): array
    {
        return $this->body;
    }

    public function getSource(): string
    {
        return $this->source;
    }
}