using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Sog;
using LitJson;
using ProtoCSStruct;

namespace HttpProxy
{
    public class WechatMini
    {
        public static readonly string WXMini = "https://api.weixin.qq.com/";
        public static readonly string WXMiniUrl = "sns/jscode2session";
        public static string appkey = "";

        public static bool AuthToken(out string openId, string code, ref SSHttpCheckAccountToken accountCheckToken, out bool exception)
        {
            //成功,打印一下日志
            TraceLog.Debug("WechatMini.AuthToken, start code {0}", code);
            openId = "";
            string appid = HttpProxyServerUtils.GetServerConfig().wechatMini_appid;
            string appkeyConfig = HttpProxyServerUtils.GetServerConfig().wechatMini_appsecreat;

            string fullUrl = string.Format("{0}?appid={1}&secret={2}&js_code={3}&grant_type={4}"
                , WXMini + WXMiniUrl
                , appid
                , appkeyConfig
                , code
                , "authorization_code");

            string strRet = HttpUtils.HttpGet(fullUrl, out exception, null);
            TraceLog.Debug("WechatMini.AuthToken, get ret:{0}", strRet);

            if (strRet == null)
            {
                TraceLog.Error("WechatMini.AuthToken, HttpGet return null query failed");
                return false;
            }

            LitJson.JsonData jsonData = JsonMapper.ToObject(strRet);
            if (jsonData.ContainsKey("errcode"))
            {
                LitJson.JsonData errCode = jsonData["errcode"];
                LitJson.JsonData errMsg = jsonData["errmsg"];
                if (errCode.ToString() != "0")
                {
                    TraceLog.Error("WechatMini.AuthToken , msdk server ack failed, accountid:{0} errCode {1} errMsg:{2}", 0, errCode.ToString(), errMsg.ToString());
                    return false;
                }
            }

            LitJson.JsonData oid = jsonData["openid"];
            LitJson.JsonData sessionKey = jsonData["session_key"];
            //LitJson.JsonData unionId = jsonData["unionid"];

            accountCheckToken.SessionKey.SetString(sessionKey.ToString());
            accountCheckToken.OpenId.SetString(oid.ToString());
            openId = oid.ToString();
            //成功,打印一下日志
            TraceLog.Debug("WeixinAuth.AuthToken ,ret {0}, openId {1}", strRet, openId);

            return true;
        }


        /// <summary>
        /// 获取微信头像等信息
        /// </summary>
        /// <param name="accountid"></param>
        /// <param name="token"></param>
        /// <param name="exception"></param>
        /// <returns></returns>
        public static string[] QueryUserInfo(string accountid, string token, out bool exception)
        {
            //成功,打印一下日志
            TraceLog.Debug("WechatMini.QueryUserInfo, start accountid {0}", accountid);

            long timestamp = HttpProxyServerUtils.GetTimeSecond();
            string msdkkey = HttpProxyServerUtils.GetServerConfig().msdkkey;
            string appid = HttpProxyServerUtils.GetServerConfig().qq_appid;
            string appkey = HttpProxyServerUtils.GetServerConfig().qq_appkey;

            string sig = MSDKApi.CalcSig(msdkkey, timestamp);

            string fullUrl = string.Format("{0}?timestamp={1}&appid={2}&sig={3}&openid={4}&encode=2"
                , MSDKApi.MSDKUrl + MSDKApi.wxprofile
                , timestamp
                , appid
                , sig
                , accountid);

            List<KeyValuePair<String, String>> contentParams = new List<KeyValuePair<string, string>>();

            contentParams.Add(new KeyValuePair<string, string>("appid", appid));
            contentParams.Add(new KeyValuePair<string, string>("openid", accountid));
            contentParams.Add(new KeyValuePair<string, string>("accessToken", token));

            string strRet = HttpUtils.HttpPost(fullUrl, contentParams, out exception);

            if (strRet == null)
            {
                TraceLog.Error("WechatMini.QueryUserInfo, HttpGet return null query failed");
                return null;
            }

            LitJson.JsonData jsonData = JsonMapper.ToObject(strRet);

            LitJson.JsonData ret = jsonData["ret"];
            LitJson.JsonData msg = jsonData["msg"];
            if (ret == null || msg == null)
            {
                TraceLog.Error("WechatMini.QueryUserInfo, ret {0}, no ret or no msg", strRet);
                return null;
            }

            if (ret.ToString() != "0")
            {
                TraceLog.Error("WechatMini.QueryUserInfo , msdk server ack failed, ret {0}", strRet);
                return null;
            }

            LitJson.JsonData nickName = jsonData["nickName"];
            LitJson.JsonData sex = jsonData["sex"];
            LitJson.JsonData picture = jsonData["picture"];
            if (nickName == null || sex == null || picture == null)
            {
                TraceLog.Error("WechatMini.QueryUserInfo , nickName sex picture40 failed, ret {0}", strRet);
                return null;
            }

            string[] result = new string[4];
            result[0] = nickName.ToString();
            result[1] = sex.ToString();
            result[2] = picture.ToString();


            //成功,打印一下日志
            TraceLog.Debug("WechatMini.QueryUserInfo ,ret {0}, accountid {1}", strRet, accountid);

            return result;
        }


    }
}