package com.nuvole.util;
// @formatter:off

import cn.hutool.core.convert.Convert;
import cn.hutool.core.util.StrUtil;
import cn.hutool.core.util.URLUtil;
import cn.hutool.crypto.SecureUtil;
import com.alibaba.fastjson.JSON;
import com.nuvole.constants.SystemConstants;
import jakarta.servlet.ServletInputStream;import jakarta.servlet.http.HttpServletRequest;import jakarta.servlet.http.HttpServletResponse;import org.apache.commons.text.StringEscapeUtils;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * .-~~~~~~~~~-._       _.-~~~~~~~~~-.
 * __.'  @Author     ~.   .~    代码无Bug   `.__
 * .'//     liu.q        \./       (秘籍)      \\`.
 * .'// [916000612@qq.com]  |   欲练神功   引刀自宫  \\`.
 * .'// .-~"""""""~~~~-._     |    _,-~~~~"""""""~-.  \\`.
 * .'//.-"  2019-04-09     `-.  |  .-'     10:48       "-.\\`.
 * .'//______.============-..   \ | /   ..-============.______\\`.
 * .'______________________________\|/______________________________`.
 *
 * @Description :
 */
// @formatter:on
public class CommonUtil {

    /**
     * @Author : liuq
     * @Date : Create in 2018/7/1 上午1:20
     * @Description : 驼峰转下划线
     */
    public static String camel2Underline(String line) {
        return StrUtil.toUnderlineCase(line);
    }

    /*
     * @Author : liu.q [916000612@qq.com]
     *
     * @Date : 2019-04-29 16:45
     *
     * @Description : 下划线转驼峰
     */
    public static String Underline2camel(String para) {
        return StrUtil.toCamelCase(para);
    }

    /**
     * @Author : liu.q
     * @Date : 2019-03-01 09:49
     * @Description : 获取request
     */
    public static HttpServletRequest getRequest() {
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
                .getRequestAttributes();
        HttpServletRequest request = requestAttributes.getRequest();
        return request;
    }

    /**
     * @Author : liu.q
     * @Date : 2019-03-01 09:49
     * @Description : response
     */
    public static HttpServletResponse getResponse() {
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
                .getRequestAttributes();
        HttpServletResponse response = requestAttributes.getResponse();
        return response;
    }

    /**
     * @Author : liu.q
     * @Date : 2019-03-01 09:51
     * @Description : 获取访问地址
     */
    public static String getHost() {
        HttpServletRequest request = getRequest();
        String scheme = request.getHeader("X-Forwarded-Scheme");
        if (scheme == null) {
            scheme = request.getScheme();
        }
        String port = request.getHeader("X-Forwarded-port");
        if (port == null) {
            port = request.getServerPort() + "";
        }
        if ("443".equals(port) || "80".equals(port)) {
            return scheme + "://" + request.getServerName();
        }
        return scheme + "://" + request.getServerName() + ":" + port;// +request.getRequestURI();
    }

    /**
     * 获取请求参数
     *
     * @return
     */
    public static Map getParameterMap() {
        // 参数Map
        Map properties = CommonUtil.getRequest().getParameterMap();
        // 返回值Map
        Map returnMap = new HashMap();
        Iterator entries = properties.entrySet().iterator();
        Map.Entry entry;
        String name = "";
        String value = "";
        while (entries.hasNext()) {
            entry = (Map.Entry) entries.next();
            name = (String) entry.getKey();
            Object valueObj = entry.getValue();
            if (null == valueObj) {
                continue;
            } else if (valueObj instanceof String[]) {
                String[] values = (String[]) valueObj;
                for (int i = 0; i < values.length; i++) {
                    value = values[i] + ",";
                }
                value = value.substring(0, value.length() - 1);
            } else {
                value = valueObj.toString();
                // 当value为string empty为有效值 by zxc on 2020/5/11 15:00
                if ("".equals(value)) {
                    continue;
                }
            }
            returnMap.put(name, value);
        }
        return returnMap;
    }

    public static String getExportSign(String url, String timestamp) {
        System.out.println("is url:" + URLUtil.getPath(url));
        return Convert
                .toStr(SecureUtil.md5(SecureUtil.md5(URLUtil.getPath(url) + timestamp) + SystemConstants.EXPORT_SIGN_K).hashCode());
    }

    public static String listToString(List<String> items) {
        String result = "";
        if (items != null && items.size() > 0) {
            for (int i = 0; i < items.size(); i++) {
                if (i == 0) {
                    result += items.get(i);
                } else {
                    result += "," + items.get(i);
                }
            }
        }
        return result;
    }

    public static <T> T getObjFromReq(Class<T> clazz) {
        String s = JSON.toJSONString(getParameterMap());
        return JSON.parseObject(StringEscapeUtils.unescapeHtml4(s), clazz);
    }

    public static <T> T getObjFromReqBody(Class<T> clazz) {
        String jsonStr = getRequestBody();
        return JSON.parseObject(StringEscapeUtils.unescapeHtml4(jsonStr), clazz);
    }

    /**
     * 获取request body值
     *
     * @param
     * @return
     */
    private static String getRequestBody() {
        HttpServletRequest request = getRequest();
        try {
            return getStringFromInputStream(request.getInputStream());
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static String getStringFromInputStream(ServletInputStream stream) throws IOException {
        StringBuilder sb = new StringBuilder();
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
            char[] ch = new char[1024];
            int bytesRead;
            while ((bytesRead = reader.read(ch)) != -1) {
                sb.append(ch, 0, bytesRead);
            }
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return sb.toString();
    }

    /**
     * 获取用户标识
     *
     * @return
     */
    public static String getUserAgent() {
        HttpServletRequest request = getRequest();
        return request.getHeader("User-Agent");
    }

    /**
     * 获取客户端标识
     *
     * @return 1.支付宝-小程序, 2.支付宝-生活号, 3.微信-小程序, 4.微信-公众号
     */
    public static String getClientType() {
        HttpServletRequest request = getRequest();
        return request.getHeader("CLIENT-TYPE");
    }

    /**
     * 是否为微信小程序
     *
     * @return
     */
    public static boolean isWxMin() {
        String userAgent = getUserAgent();
        return userAgent.contains("MiniProgram");
    }

    /**
     * 是否为微信内置浏览器
     *
     * @return
     */
    public static boolean isWxBro() {
        String userAgent = getUserAgent();
        return userAgent.contains("MicroMessenger");
    }

    /**
     * 是否为支付宝内置浏览器
     *
     * @return
     */
    public static boolean isAliBro() {
        String userAgent = getUserAgent();
        return userAgent.contains("Alipay");
    }

    /**
     * 是否为支付宝小程序客户端
     *
     * @return
     */
    public static boolean isAliMin() {
        String userAgent = getUserAgent();
        String clientType = getClientType();
        return userAgent.contains("Alipay") && SystemConstants.APP_TYPE_ALI_MINI.equals(clientType);
    }

    /**
     * 是否为翼支付
     *
     * @return
     */
    public static boolean isBestPayBro() {
        String userAgent = getUserAgent();
        return userAgent.contains("Bestpay");
    }

    /**
     * 是否为云闪付
     *
     * @return
     */
    public static boolean isCloudPayBro() {
        String userAgent = getUserAgent();
        return userAgent.contains("CloudPay");
    }

    public static boolean isUnionPayBro() {
        String userAgent = getUserAgent();
        return userAgent.contains("UnionPay");
    }

}