using System;
using System.Collections.Generic;
using com.fpnn.proto;

namespace com.fpnn.rtm
{
    public partial class RTMClient
    {
        //===========================[ Get Online Users ]=========================//
        //-- Action<online_uids, errorCode>
        public bool GetOnlineUsers(Action<HashSet<long>, int> callback, HashSet<long> uids, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
            {
                if (RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                    ClientEngine.RunTask(() =>
                    {
                        callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                    });

                return false;
            }

            Quest quest = new Quest("getonlineusers");
            quest.Param("uids", uids);

            bool asyncStarted = client.SendQuest(quest, (Answer answer, int errorCode) => {

                HashSet<long> onlineUids = null;

                if (errorCode == fpnn.ErrorCode.FPNN_EC_OK)
                {
                    try
                    {
                        onlineUids = WantLongHashSet(answer, "uids");
                    }
                    catch (Exception)
                    {
                        errorCode = fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
                    }
                }
                callback(onlineUids, errorCode);
            }, timeout);

            if (!asyncStarted && RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                ClientEngine.RunTask(() =>
                {
                    callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                });

            return asyncStarted;
        }

        public int GetOnlineUsers(out HashSet<long> onlineUids, HashSet<long> uids, int timeout = 0)
        {
            onlineUids = null;

            TCPClient client = GetCoreClient();
            if (client == null)
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION;

            Quest quest = new Quest("getonlineusers");
            quest.Param("uids", uids);

            Answer answer = client.SendQuest(quest, timeout);

            if (answer.IsException())
                return answer.ErrorCode();

            try
            {
                onlineUids = WantLongHashSet(answer, "uids");
                return fpnn.ErrorCode.FPNN_EC_OK;
            }
            catch (Exception)
            {
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
            }
        }

        //===========================[ Set User Info ]=========================//
        public bool SetUserInfo(DoneDelegate callback, string publicInfo = null, string privateInfo = null, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
            {
                if (RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                    ClientEngine.RunTask(() =>
                    {
                        callback(fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                    });

                return false;
            }

            Quest quest = new Quest("setuserinfo");
            if (publicInfo != null)
                quest.Param("oinfo", publicInfo);
            if (privateInfo != null)
                quest.Param("pinfo", privateInfo);

            bool asyncStarted = client.SendQuest(quest, (Answer answer, int errorCode) => { callback(errorCode); }, timeout);

            if (!asyncStarted && RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                ClientEngine.RunTask(() =>
                {
                    callback(fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                });

            return asyncStarted;
        }

        public int SetUserInfo(string publicInfo = null, string privateInfo = null, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION;

            Quest quest = new Quest("setuserinfo");
            if (publicInfo != null)
                quest.Param("oinfo", publicInfo);
            if (privateInfo != null)
                quest.Param("pinfo", privateInfo);

            Answer answer = client.SendQuest(quest, timeout);
            return answer.ErrorCode();
        }

        //===========================[ Get User Info ]=========================//
        //-- Action<publicInfo, privateInfo, errorCode>
        public bool GetUserInfo(Action<string, string, int> callback, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
            {
                if (RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                    ClientEngine.RunTask(() =>
                    {
                        callback(null, null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                    });

                return false;
            }

            Quest quest = new Quest("getuserinfo");
            bool asyncStarted = client.SendQuest(quest, (Answer answer, int errorCode) => {

                string publicInfo = null;
                string privateInfo = null;

                if (errorCode == fpnn.ErrorCode.FPNN_EC_OK)
                {
                    try
                    {
                        publicInfo = answer.Want<string>("oinfo");
                        privateInfo = answer.Want<string> ("pinfo");
                    }
                    catch (Exception)
                    {
                        errorCode = fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
                    }
                }
                callback(publicInfo, privateInfo, errorCode);
            }, timeout);

            if (!asyncStarted && RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                ClientEngine.RunTask(() =>
                {
                    callback(null, null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                });

            return asyncStarted;
        }

        public int GetUserInfo(out string publicInfo, out string privateInfo, int timeout = 0)
        {
            publicInfo = null;
            privateInfo = null;

            TCPClient client = GetCoreClient();
            if (client == null)
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION;

            Quest quest = new Quest("getuserinfo");
            Answer answer = client.SendQuest(quest, timeout);

            if (answer.IsException())
                return answer.ErrorCode();

            try
            {
                publicInfo = answer.Want<string>("oinfo");
                privateInfo = answer.Want<string>("pinfo");

                return fpnn.ErrorCode.FPNN_EC_OK;
            }
            catch (Exception)
            {
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
            }
        }

        //===========================[ Get User Open Info ]=========================//
        //-- Action<Dictionary<string_uid, public_info>, errorCode>
        [System.Obsolete("GetUserPublicInfo() with dictionary in string key type is deprecated, please using the overloaded function with dictionary in long key type instead.")]
        public bool GetUserPublicInfo(Action<Dictionary<string, string>, int> callback, HashSet<long> uids, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
            {
                if (RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                    ClientEngine.RunTask(() =>
                    {
                        callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                    });

                return false;
            }

            Quest quest = new Quest("getuseropeninfo");
            quest.Param("uids", uids);

            bool asyncStarted = client.SendQuest(quest, (Answer answer, int errorCode) => {

                Dictionary<string, string> publicInfos = null;
                if (errorCode == fpnn.ErrorCode.FPNN_EC_OK)
                {
                    try
                    {
                        publicInfos = WantStringDictionary(answer, "info");
                    }
                    catch (Exception)
                    {
                        errorCode = fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
                    }
                }
                callback(publicInfos, errorCode);
            }, timeout);

            if (!asyncStarted && RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                ClientEngine.RunTask(() =>
                {
                    callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                });

            return asyncStarted;
        }

        //-- Action<Dictionary<uid, public_info>, errorCode>
        public bool GetUserPublicInfo(Action<Dictionary<long, string>, int> callback, HashSet<long> uids, int timeout = 0)
        {
            TCPClient client = GetCoreClient();
            if (client == null)
            {
                if (RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                    ClientEngine.RunTask(() =>
                    {
                        callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                    });

                return false;
            }

            Quest quest = new Quest("getuseropeninfo");
            quest.Param("uids", uids);

            bool asyncStarted = client.SendQuest(quest, (Answer answer, int errorCode) => {

                Dictionary<long, string> publicInfos = null;
                if (errorCode == fpnn.ErrorCode.FPNN_EC_OK)
                {
                    try
                    {
                        publicInfos = WantLongStringDictionary(answer, "info");
                    }
                    catch (Exception)
                    {
                        errorCode = fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
                    }
                }
                callback(publicInfos, errorCode);
            }, timeout);

            if (!asyncStarted && RTMConfig.triggerCallbackIfAsyncMethodReturnFalse)
                ClientEngine.RunTask(() =>
                {
                    callback(null, fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION);
                });

            return asyncStarted;
        }

        [System.Obsolete("GetUserPublicInfo() with dictionary in string key type is deprecated, please using the overloaded function with dictionary in long key type instead.")]
        public int GetUserPublicInfo(out Dictionary<string, string> publicInfos, HashSet<long> uids, int timeout = 0)
        {
            publicInfos = null;

            TCPClient client = GetCoreClient();
            if (client == null)
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION;

            Quest quest = new Quest("getuseropeninfo");
            quest.Param("uids", uids);

            Answer answer = client.SendQuest(quest, timeout);
            if (answer.IsException())
                return answer.ErrorCode();

            try
            {
                publicInfos = WantStringDictionary(answer, "info");
                return fpnn.ErrorCode.FPNN_EC_OK;
            }
            catch (Exception)
            {
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
            }
        }

        public int GetUserPublicInfo(out Dictionary<long, string> publicInfos, HashSet<long> uids, int timeout = 0)
        {
            publicInfos = null;

            TCPClient client = GetCoreClient();
            if (client == null)
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_CONNECTION;

            Quest quest = new Quest("getuseropeninfo");
            quest.Param("uids", uids);

            Answer answer = client.SendQuest(quest, timeout);
            if (answer.IsException())
                return answer.ErrorCode();

            try
            {
                publicInfos = WantLongStringDictionary(answer, "info");
                return fpnn.ErrorCode.FPNN_EC_OK;
            }
            catch (Exception)
            {
                return fpnn.ErrorCode.FPNN_EC_CORE_INVALID_PACKAGE;
            }
        }
    }
}