using efunbox_xyyf_windows.bean;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace efunbox_xyyf_windows.util
{
    public class LenvSDK
    {
        public static String LevnToken = "";
        public static String getIdByTokenUrl = "https://cloud-rest.lenovomm.com/cloud-intermodal-core/api/v1/oauth/token";
        public static LenvUserInfo mLenvUserInfo;

        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
        delegate Boolean LYSDKCallBack([MarshalAs(UnmanagedType.LPWStr)] StringBuilder in_par);

        /**
            * @brief LYSDKLogin 函数
            * @param in_param   参数1 json字符串，包括mchId(商户Id)，appid，key；
            * @return 返回说明 :
            *-1 if already init
            *0  if success,
            *20 if already login
            *40 authorize failed
            */
        [DllImport("LYSDK.dll", CharSet = CharSet.Unicode, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
        private static extern IntPtr LYSDKLogin(String in_param, [MarshalAs(UnmanagedType.FunctionPtr)] LYSDKCallBack callback, Boolean isAutoLogin);



        /**
           * @brief LYSDKLogout 函数
           * @return 返回说明 :
           * 0  if success,
           * 10 if SDKInit did not be called
           */
        [DllImport("LYSDK.dll", CharSet = CharSet.Unicode, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
        private static extern int LYSDKLogout();






        /**
        * @brief LYSDKGetToken 函数
        * @return 返回说明 :
        * 0  if success,
        * 10 if SDKInit did not be called
        * 50 if not login
          */
        [DllImport("LYSDK.dll", CharSet = CharSet.Unicode, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
        private static extern int LYSDKGetToken();


        /**
          * @brief LYSDKGetLoginStatus 函数
          * @return 返回说明 :
          * 0 if not login
          * 1 if login,
          */
        [DllImport("LYSDK.dll", CharSet = CharSet.Unicode, SetLastError = true, CallingConvention = CallingConvention.Cdecl)]
        private static extern int LYSDKGetLoginStatus();








        private static LYSDKCallBack mLYSDKCallBack;


        /**
         * 
         * 登录方法
         * 
         * **/
        public static IntPtr LenvLogin(String in_params, bool isAuthLogin)
        {

            mLYSDKCallBack = (in_par) =>
            {
               
                LevnToken = in_par.ToString();
                
                if (TextUtils.isEmpty(in_par.ToString()))
                {
                    //如果为空了，返回false
                    return false;
                }
                else
                {

                    //不为空再进行判断

                    return true;
                }



            };

            return LYSDKLogin(in_params, mLYSDKCallBack, isAuthLogin); ;

        }




        /**
         * 登出方法
         * **/
        public static int LenvLogout()
        {

            return LYSDKLogout();
        }

        /**
         * 
         * 联想获取token
         * **/
        public static int LenvGetToekn()
        {

            return LYSDKGetToken();
        }



        /**
         * 
         * 联想登陆状态
         * **/
        public static int LenvLoginStatus()
        {

            return LYSDKGetLoginStatus();
        }





        public static String getParamSrc(Dictionary<string, string> paramsMap)
        {
            var vDic = (from objDic in paramsMap orderby objDic.Key ascending select objDic);
            StringBuilder sb = new StringBuilder();
            foreach (KeyValuePair<string, string> kv in vDic)
            {
                string pkey = kv.Key;
                string pvalue = kv.Value;
                sb.Append(pkey + "=" + pvalue + "&");
            }

            String result = sb.ToString().Substring(0, sb.ToString().Length - 1);
            return result;
        }

    }


}