<?php

namespace app\common\service;

use think\Log;
use think\Env;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Exception\TransferException;

class ToolService
{
    /**
     * get请求
     * @param $url
     * @param array $queryData
     * @param array $headers
     * @param bool $json
     * @return mixed|string
     */
    public static function httpGet($url, $queryData = [], $headers = [], $json = true)
    {
        try {
            $client = new Client(['timeout' => 10]);
            $response = $client->request('GET', $url, array_filter([
                'query' => $queryData,
                'headers' => $headers,
                'verify' => false
            ]));
            $body = (string)$response->getBody();
            return $json ? json_decode($body, true) : $body;
        } catch (RequestException $e) {
            return false;
        }
    }

    /**
     * post请求
     * @param $url
     * @param array $postData
     * @param array $headers
     * @param bool $json
     * @return mixed|string
     */
    public static function httpPost($url, $postData = [], $headers = [], $json = true)
    {
        try {
            $client = new Client(['timeout' => 10]);
            $response = $client->request('POST', $url, array_filter([
                'form_params' => $postData,
                'headers' => $headers,
                'verify' => false
            ]));
            $body = (string)$response->getBody();

            return $json ? json_decode($body, true) : $body;
        } catch (RequestException $e) {
            Log::info('httpPost-error：' . $e->getMessage());
            return false;
        }
    }

    /**
     * @param $method
     * @param $url
     * @param array $data
     * @param array $headers
     * @param bool $jsonRequest
     * @param bool $jsonDecode
     * @return mixed|string
     * @throws \Exception
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public static function httpRequest($method, $url, $data = [], $headers = [], $jsonRequest = false, $jsonDecode = true)
    {
        try {
            $method = strtoupper($method);
            $client = new Client(['verify' => false]);
            $methodMap = [
                'GET' => 'query',
                'POST' => 'form_params',
            ];
            $type = $jsonRequest ? 'json' : $methodMap[$method] ?? 'query';
            $param = [$type => $data];
            if ($headers) {
                $param['headers'] = $headers;
            }
            $response = $client->request($method, $url, $param);
            $body = (string)$response->getBody();

            return $jsonDecode ? json_decode($body, true) : $body;
        } catch (TransferException $e) {
            throw new \Exception($e->getMessage(), $e->getCode());
        }
    }

    /**
     * 输出xml字符
     * @param $values
     * @return string
     * @throws \Exception
     */
    public static function ToXml($values)
    {
        if (!is_array($values) || count($values) <= 0) {
            throw new \Exception("数组数据异常！");
        }

        $xml = "<xml>";
        foreach ($values as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else {
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
            }
        }
        $xml .= "</xml>";
        return $xml;
    }

    /**
     * 将xml转为array
     * @param $xml
     * @return mixed
     * @throws \Exception
     */
    public static function FromXml($xml)
    {
        if (!$xml) {
            throw new \Exception("xml数据异常！");
        }
        //将XML转为array
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
        return $values;
    }

    /**
     * 格式化参数格式化成url参数
     * @param $values
     * @return string
     */
    public static function ToUrlParams($values)
    {
        $buff = "";
        foreach ($values as $k => $v) {
            if ($k != "sign" && $v != "" && !is_array($v)) {
                $buff .= $k . "=" . $v . "&";
            }
        }

        $buff = trim($buff, "&");
        return $buff;
    }

    /**
     * 生成签名
     * @param $values
     * @param $key
     * @return string
     */
    public static function MakeSign($values, $key = '')
    {
        unset($values['sign']);
        //签名步骤一：按字典序排序参数
        ksort($values);
        $string = self::ToUrlParams($values);
        //签名步骤二：在string后加入KEY
        !$key && $key = Env::get('wechat.api_key');
        $string = $string . "&key=" . $key;
        //签名步骤三：MD5加密或者HMAC-SHA256
        if (isset($values['sign_type']) && $values['sign_type'] == 'HMAC-SHA256') {
            $sign = hash_hmac("sha256", $string, $key);
        } else {
            $sign = md5($string);
        }
        //签名步骤四：所有字符转为大写
        $result = strtoupper($sign);
        Log::info('通用工具签名-MakeSign：' . json_encode(['values' => $values, 'string' => $string, 'sign' => $sign]));
        return $result;
    }

    /**
     * 验证签名是否正确
     * @param $values
     * @param $sign
     * @param $key
     * @return bool
     */
    public static function CheckSign($values, $sign, $key = '')
    {
        $localSign = self::MakeSign($values, $key);
        Log::info('通用工具签名信息-Tool-CheckSign' . json_encode(['data' => $values, 'sign' => $sign, 'localSign' => $localSign]));
        if ($localSign == $sign) {
            //签名正确
            return true;
        }
        return false;
    }

    /**
     * 打包签名数据
     * @param $values
     * @return mixed
     */
    public static function packSign($values)
    {
        if (!isset($values['nonce_str'])) {
            $values['nonce_str'] = uniqid();
        }
        if (!isset($values['time_stamp'])) {
            $values['time_stamp'] = time();
        }

        //签名步骤四：所有字符转为大写
        $values['sign'] = self::MakeSign($values, Env::get('app.token_key'));

        return $values;
    }

    /**
     * @param $array
     * @return mixed
     */
    public static function changeArrayKey($array)
    {
        foreach ($array as &$value) {
            if (isset($value['name'])) {
                $value['text'] = $value['name'];
                unset($value['name']);
            }
            if (isset($value['subItems'])) {
                foreach ($value['subItems'] as &$v) {
                    $v['text'] = $v['name'];
                    unset($v['name']);
                }
                $value['children'] = $value['subItems'];
                unset($value['subItems']);
            }
        }
        return $array;
    }

    /**
     * 解析字符串数组
     * @param $string
     * @param $data
     * @return mixed
     */
    public static function parseArrStr($string, $data)
    {
        $fieldArr = explode('.', str_replace(['{', '}'], '', $string));
        foreach ($fieldArr as $field) {
            $data = $data[$field] ?? '';
        }

        return $data;
    }

    /**
     * @param $value
     * @param $data
     * @return string
     */
    public static function parseTempData($value, $data)
    {
        if (preg_match_all('/\{.*?\}/', $value, $matches)) {
            $str = '';
            foreach ($matches as $match){
                $str .= ToolService::parseArrStr($match, $data);
            }
            $value = $str;
        }
        return $value;
    }

    /**
     * 获取请求缓存Key
     * @param $url
     * @param $param
     * @return mixed
     */
    public static function httpCacheKey($url, $param)
    {
        $query = http_build_query($param);
        $parse = parse_url($url);
        $urls = implode(':', ['http-cache',  $parse['host'], $parse['path'],  $query]);
        $key = preg_replace('/[^a-zA-Z0-9_\-:]/', '', $urls);

        return $key;
    }

    /**
     * 递归实现无限极分类
     * @param array $array 分类数据
     * @param int $pid 父ID
     * @param int $level 分类级别
     * @return array 分好类的数组 直接遍历即可 $level可以用来遍历缩进
     */
    public static function getTree($array, $pid = 0, $level = 0)
    {
        //声明静态数组,避免递归调用时,多次声明导致数组覆盖
        static $list = [];
        foreach ($array as $key => $value) {
            //第一次遍历,找到父节点为根节点的节点 也就是pid=0的节点
            if ($value['parent_id'] == $pid) {
                //父节点为根节点的节点,级别为0，也就是第一级
                $value['level'] = $level;
                $value['name'] = str_repeat('--', $level) . $value['name'];
                //把数组放到list中
                $list[] = $value;
                //把这个节点从数组中移除,减少后续递归消耗
                unset($array[$key]);
                //开始递归,查找父ID为该节点ID的节点,级别则为原级别+1
                self::getTree($array, $value['id'], $level + 1);
            }
        }

        return $list;
    }
}