package com.ruoyi.errand.utils;

import cn.hutool.core.io.FileUtil;
import cn.hutool.http.Header;
import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpResponse;
import cn.hutool.http.HttpUtil;


import com.alibaba.fastjson2.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.binary.Base64;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * 微信工具类
 */
@Slf4j
@Component
public class WeChatUtil {

    @Value("${wx.appletsAppid}")
    private String wxAppletsAppid;

    @Value("${wx.appletsAppSecret}")
    private String wxAppletsAppSecret;

//    @Value("${wx.appid}")
    private String webAppId;

//    @Value("${wx.appSecret}")
    private String webAppSecret;
    
    @Resource
    private RedisService redisService;
    
    


    /**
     * 小程序使用jscode获取openid
     * @param jscode
     * @return
     */
    public Map<String, Object> code2Session(String jscode) {
        String url = "https://api.weixin.qq.com/sns/jscode2session?appid=" + wxAppletsAppid + "&secret=" + wxAppletsAppSecret
                + "&js_code=" + jscode + "&grant_type=authorization_code";
        HttpRequest get = HttpUtil.createGet(url);
        HttpResponse response = get.execute();
        int status = response.getStatus();
        if(200 != status){
            throw new RuntimeException(response.body());
        }
        JSONObject jsonObject = JSONObject.parseObject(response.body());
        int errcode = jsonObject.getIntValue("errcode");
        Map<String, Object> map = new HashMap<>();
        map.put("errcode", errcode);
        if(errcode == 0){//成功
            map.put("openid", jsonObject.getString("openid"));
            map.put("sessionKey", jsonObject.getString("session_key"));
            map.put("unionid", jsonObject.getString("unionid"));
            return map;
        }
        if(errcode == -1){//系统繁忙，此时请开发者稍候再试
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 40029){//code 无效
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 45011){//频率限制，每个用户每分钟100次
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        return null;
    }
    
    
    public String getWxAppletsAccessToken(){
        Object wxAppletsAccessToken = redisService.getCacheObject("wxAppletsAccessToken");
        if(null != wxAppletsAccessToken){
            return wxAppletsAccessToken.toString();
        }
        String appletsAccessToken = getAppletsAccessToken();
        redisService.setCacheObject("wxAppletsAccessToken", appletsAccessToken, 7200L, TimeUnit.SECONDS);
        return appletsAccessToken;
    }
    

    /**
     * 获取微信小程序token
     * @return
     */
    public String getAppletsAccessToken() {
        String url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + wxAppletsAppid + "&secret=" + wxAppletsAppSecret;
        HttpRequest get = HttpUtil.createGet(url);
        HttpResponse response = get.execute();
        if(response.getStatus() != 200){
            return "";
        }
        JSONObject jsonObject = JSONObject.parseObject(response.body());
        return jsonObject.getString("access_token");
    }


    /**
     * 网站应用登录
     * @param code
     * @return
     */
    public Map<String, String> webAccessToken(String code) throws Exception{
        String url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" + webAppId + "&secret=" + webAppSecret + "&code=" + code + "&grant_type=authorization_code";
        HttpRequest get = HttpUtil.createGet(url);
        HttpResponse response = get.execute();
        if(response.getStatus() != 200){
            return null;
        }
        JSONObject jsonObject = JSONObject.parseObject(response.body());
        int errcode = jsonObject.getIntValue("errcode");
        Map<String, String> map = new HashMap<>();
        if(errcode == 0){//成功
            map.put("access_token", jsonObject.getString("access_token"));
            map.put("openid", jsonObject.getString("openid"));
            map.put("refresh_token", jsonObject.getString("refresh_token"));
            map.put("unionid", jsonObject.getString("unionid"));
            return map;
        }
        if(errcode == -1){//系统繁忙，此时请开发者稍候再试
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 40029){//code 无效
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 45011){//频率限制，每个用户每分钟100次
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        return map;
    }


    /**
     * 获取微信个人信息
     * @param access_token
     * @param openid
     * @return
     */
    public Map<String, Object> getUserInfo(String access_token, String openid) throws Exception{
        String url = "https://api.weixin.qq.com/sns/userinfo?access_token=" + access_token + "&openid=" + openid;
        HttpRequest get = HttpUtil.createGet(url);
        HttpResponse response = get.execute();
        if(response.getStatus() != 200){
            return null;
        }
        JSONObject jsonObject = JSONObject.parseObject(response.body());
        int errcode = jsonObject.getIntValue("errcode");
        Map<String, Object> map = new HashMap<>();
        if(errcode == 0){//成功
            map.put("nickname", jsonObject.getString("nickname"));
            map.put("openid", jsonObject.getString("openid"));
            map.put("sex", jsonObject.getString("sex"));
            map.put("headimgurl", jsonObject.getString("headimgurl"));
            return map;
        }
        if(errcode == -1){//系统繁忙，此时请开发者稍候再试
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 40029){//code 无效
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        if(errcode == 45011){//频率限制，每个用户每分钟100次
            map.put("msg", jsonObject.getString("errmsg"));
            return map;
        }
        return map;
    }

    


    /**
     * 获取小程序二维码
     * @param page      跳转页 例如 pages/index/index
     * @param scene     参数 a=1&b=2
     */
/*    public InputStream getwxacodeunlimit(String page, String scene, EnvVersion env_version){
        try {
            String token = getWxAppletsAccessToken();
            if(StringUtils.isEmpty(token)){
                System.err.println("获取接口调用凭证失败");
            }
            String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" + token;
            Map<String, Object> param = new HashMap<>();
            param.put("scene", scene);
            param.put("page", page);
            param.put("env_version", env_version.getVersion());
    
            HttpRequest post = HttpUtil.createPost(url);
            post.header(Header.CONTENT_TYPE, "application/json;charset=UTF-8");
            post.body(JSONObject.toJSONString(param));
            HttpResponse execute = post.execute();
            byte[] bytes = execute.bodyBytes();
            String body1 = execute.body();
            return new ByteArrayInputStream(bytes);
        }catch (Exception e){
            e.printStackTrace();
        }
        return null;
    }
    */
    
    /**
     * 获取微信小程序二维码
     * @param page
     * @param scene
     * @param filePath
     * @return
     */
  /*  public String getwxacodeunlimit(String page, String scene, EnvVersion env_version, String filePath){
        InputStream getwxacodeunlimit = getwxacodeunlimit(page, scene, env_version);
//        File file = FileUtil.writeFromStream(getwxacodeunlimit, new File(filePath));
//        return file.getPath();
        return ObsUploadUtil.obsUpload("png", getwxacodeunlimit);
    }*/
}