using BetterSecondBotShared.API;
using BetterSecondBotShared.logs;
using BetterSecondBotShared.Static;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Xml;

namespace BetterSecondBotShared.Json
{
    public class MakeJsonConfig : API_supported_interface
    {
        public override string GetCommandWorkspace(string cmd)
        {
            string[] bits = cmd.Split("_");
            return bits.First();
        }
        #region GetHelp
        protected string GetHelp_Basic(string cmd)
        {
            // Basic
            if (cmd == "Basic_BotUserName")
            {
                return "Username of the bot *you can leave out Resident if you so wish*";
            }
            else if (cmd == "Basic_BotPassword")
            {
                return "Password of the bot *add $1$ followed by the md5 hash if you dont want to expose the raw password example: $1$A3DCB4D229DE6FDE0DB5686DEE47145D";
            }
            else if (cmd == "Basic_HomeRegions")
            {
                return "a CSV of SLURLs that the bot will attempt to return to after avoiding a sim shutdown (In testing)";
            }
            else if (cmd == "Basic_LoginLocation")
            {
                return "the location to login to: home or last or a region/X/Y/Z string example: Tentacles/128/64/109";
            }
            
            return "";
        }
        protected string GetHelp_Security(string cmd)
        {
            // Security
            if (cmd == "Security_MasterUsername")
            {
                return "The username of the bots owner *you can leave out Resident if you so wish*";
            }
            else if (cmd == "Security_SubMasters")
            {
                return "A CSV of avatar names who can issue commands to the bot";
            }
            else if (cmd == "Security_SignedCommandkey")
            {
                return "Used when sending the bot a HTTP or IM command that has a hash validation";
            }
            else if (cmd == "Security_WebUIKey")
            {
                return "Used with the webUI to login, note: 2FA support is planned soon for this system that will replace this UIkey";
            }
            return "";
        }
        protected string GetHelp_Settings(string cmd)
        {
            // Settings
            if (cmd == "Setting_AllowRLV")
            {
                return "Enable the RLV api interface";
            }
            else if (cmd == "Setting_AllowFunds")
            {
                return "Allow the bot to transfer L$ and get a non zero balance";
            }
            else if (cmd == "Setting_DefaultSit_UUID")
            {
                return "UUID of a object the bot should attempt to sit on after logging in";
            }
            else if (cmd == "Setting_loginURI")
            {
                return "the URI to login to (leave as \"secondlife\" unless you know what your doing!)";
            }
            else if (cmd == "Setting_LogCommands")
            {
                return "Allow the bot to send command to console and discord full if enabled";
            }
            else if(cmd == "Setting_Tracker")
            {
                return "Enable avatar tracking (and supported events) by setting this value to a channel number<br/>or a URL<b/r/>or \"Event\" for events only";
            }
            return "";
        }
        protected string GetHelp_Discord(string cmd)
        {
            // Discord
            if (cmd == "DiscordFull_Enable")
            {
                return "Allow the bot to fully connect to discord (Disables relay)";
            }
            else if (cmd == "DiscordFull_Token")
            {
                return "The discord client token (see: https://discord.com/developers/applications)";
            }
            else if (cmd == "DiscordFull_ServerID")
            {
                return "UUID of a object the bot should attempt to sit on after logging in";
            }
            else if (cmd == "DiscordFull_Keep_GroupChat")
            {
                return "When set to true discord group chat messages will not be removed";
            }
            return "";
        }
        protected string GetHelp_HTTP(string cmd)
        {
            // HTTP
            if (cmd == "Http_Enable")
            {
                return "Allow the bot to start a HTTP interface (Required for web UI and Post commands)";
            }
            else if (cmd == "Http_Host")
            {
                return "The URL the interface is on example use \"docker\" for auto or \"http://*:8080\" to listen on port 8080<br/>Note: for windows you might need to accept a firewall alert and restart the app!";
            }
            return "";
        }

        protected string GetHelp_Logs(string cmd)
        {
            // Logs
            if (cmd == "Log2File_Enable")
            {
                return "Enable writing to logs to files [Logs are sent to the Logs folder]"
                    + "\n If you dont attach a volume called logs to the bot it will not be kept when the docker instance is restarted";
            }
            else if (cmd == "Log2File_Level")
            {
                return "Enabled logging levels\n"
                                                    + "- 1: Nothing\n"
                                                    + "0: Status only\n"
                                                    + "1: +Info\n"
                                                    + "2: +Crititcal\n"
                                                    + "3: +Warnings\n"
                                                    + "4: +Debug\n";
            }
            else if (cmd == "Agent_Channel") { return "What channel to use for the client - should only be used if badly coded grids that are unable to accept custom clients: leave auto otherwise"; }
            else if (cmd == "Agent_Version") { return "What version to use for the client - should only be used if badly coded grids that are unable to accept custom clients: leave auto otherwise"; }
            return "Unknown value:" + cmd;
        }
        #endregion
        public override string GetCommandHelp(string cmd)
        {
            if (cmd.StartsWith("Basic") == true) { return GetHelp_Basic(cmd); }
            else if (cmd.StartsWith("Security") == true) { return GetHelp_Security(cmd); }
            else if (cmd.StartsWith("Setting") == true) { return GetHelp_Settings(cmd); }
            else if (cmd.StartsWith("Discord") == true) { return GetHelp_Discord(cmd); }
            else if (cmd.StartsWith("Http_") == true) { return GetHelp_HTTP(cmd); }
            else { return GetHelp_Logs(cmd); }
        }

        public override int ApiCommandsCount { get { return GetCommandsList().Length; } }

        public override string[] GetCommandsList()
        {
            JsonConfig Obj = new JsonConfig();
            return Obj.GetType().GetProperties().Select(X => X.Name).ToArray();
        }
        public override string[] GetCommandArgTypes(string cmd)
        {
            JsonConfig Obj = new JsonConfig();
            Type valuetype = Obj.GetType().GetProperties().Where(X => X.Name == cmd).Select(X => X.PropertyType).FirstOrDefault();
            if (valuetype.Name == "Int32") { return new[] { "Number" }; }
            else if (valuetype.Name == "String") { return new[] { "Text" }; }
            else if (valuetype.Name == "Boolean") { return new[] { "True|False" }; }
            else if (valuetype.Name == "String[]") { return new[] { "Collection" }; }
            else if (valuetype.Name == "UInt64") { return new[] { "BigNumber" }; }
            else if (valuetype.Name == "Single") { return new[] { "Float" }; }
            return new[] { "Unknown" };
        }

        public override string[] GetCommandArgHints(string cmd)
        {
            return new [] { JsonGetCommandArgHints(cmd) };
        }



        #region GetValueHint
        protected string GetValueHint_Basic(string cmd)
        {
            // Basic
            if (cmd == "Basic_BotUserName") { return "Example Resident"; }
            else if (cmd == "Basic_BotPassword") { return "Pass"; }
            else if (cmd == "Basic_HomeRegions") { return "http://maps.secondlife.com/secondlife/Viserion/50/140/23"; }
            else if (cmd == "Basic_LoginLocation") { return "home"; }
            return "";
        }
        protected string GetValueHint_Security(string cmd)
        {
            // Security
            if (cmd == "Security_MasterUsername") { return "Madpeter Zond"; }
            else if (cmd == "Security_SubMasters") { return "Master Zond,Madpeter Zond,Madpeter Zond"; }
            else if (cmd == "Security_SignedCommandkey") { return "asdt234t34d3f34f"; }
            else if (cmd == "Security_WebUIKey") { return "2135r3y4vw232"; }
            return "";
        }
        protected string GetValueHint_Settings(string cmd)
        {
            // Settings
            if (cmd == "Setting_AllowRLV") { return "False"; }
            else if (cmd == "Setting_AllowFunds") { return "True"; }
            else if (cmd == "Setting_DefaultSit_UUID") { return ""; }
            else if (cmd == "Setting_loginURI") { return "secondlife"; }
            else if (cmd == "Setting_LogCommands") { return "True"; }
            else if(cmd == "Setting_Tracker") { return "False"; }
            return "";
        }
        protected string GetValueHint_Discord(string cmd)
        {
            // Discord
            if (cmd == "DiscordFull_Enable") { return "False"; }
            else if (cmd == "DiscordFull_Token") { return ""; }
            else if (cmd == "DiscordFull_ServerID") { return ""; }
            else if (cmd == "DiscordFull_Keep_GroupChat") { return "False"; }
            return "";
        }
        protected string GetValueHint_HTTP(string cmd)
        {
            // HTTP
            if (cmd == "Http_Enable") { return "False"; }
            else if (cmd == "Http_Host") { return "http://*:8080"; }
            return "";
        }

        protected string GetValueHint_Logs(string cmd)
        {
            // Logs
            if (cmd == "Log2File_Enable") { return "False"; }
            else if (cmd == "Log2File_Level") { return "1"; }
            else if (cmd == "Agent_Channel") { return "auto"; }
            else if (cmd == "Agent_Version") { return "auto"; }
            return "Unknown value:" + cmd;
        }
        #endregion

        public string JsonGetCommandArgHints(string cmd)
        {
            if (cmd.StartsWith("Basic") == true) { return GetValueHint_Basic(cmd); }
            else if (cmd.StartsWith("Security") == true) { return GetValueHint_Security(cmd); }
            else if (cmd.StartsWith("Setting") == true) { return GetValueHint_Settings(cmd); }
            else if (cmd.StartsWith("Discord") == true) { return GetValueHint_Discord(cmd); }
            else if (cmd.StartsWith("Http_") == true) { return GetValueHint_HTTP(cmd); }
            else { return GetValueHint_Logs(cmd); }
        }
        public override int GetCommandArgs(string cmd)
        {
            return 1;
        }

        public static string GetProp(JsonConfig reply, string arg)
        {
            Type T = reply.GetType();
            if(T == null)
            {
                return "- ERROR no type -";
            }
            PropertyInfo Pi = T.GetProperty(arg, BindingFlags.Public | BindingFlags.Instance);
            if(Pi == null)
            {
                return "- ERROR no prop -";
            }
            object val = Pi.GetValue(reply);
            if(val == null)
            {
                return "";
            }
            return val.ToString();
        }

        protected void SetPropTypeAndValue(JsonConfig reply,PropertyInfo prop,string arg,string arg_type,string arg_value_default)
        {
            if (prop != null)
            {
                if (prop.CanWrite == true)
                {
                    if (arg_type == "Number")
                    {
                        if (int.TryParse(arg_value_default, out int result) == true)
                        {
                            prop.SetValue(reply, result, null);
                        }
                    }
                    else if (arg_type == "Text")
                    {
                        prop.SetValue(reply, arg_value_default, null);
                    }
                    else if (arg_type == "True|False")
                    {
                        if (bool.TryParse(arg_value_default, out bool result) == true)
                        {
                            prop.SetValue(reply, result, null);
                        }
                    }
                    else if (arg_type == "Collection")
                    {
                        prop.SetValue(reply, arg_value_default.Split(','), null);
                    }
                    else if (arg_type == "BigNumber")
                    {
                        if (ulong.TryParse(arg_value_default, out ulong result) == true)
                        {
                            prop.SetValue(reply, result, null);
                        }
                    }
                    else if (arg_type == "Float")
                    {
                        if (float.TryParse(arg_value_default, out float result) == true)
                        {
                            prop.SetValue(reply, result, null);
                        }
                    }
                    else
                    {
                        LogFormater.Debug("unsupported arg_type: " + arg_type + " for " + arg + "");
                    }
                }
                else
                {
                    LogFormater.Warn("Unable to write to " + arg + "");
                }
            }
            else
            {
                LogFormater.Crit("unknown prop " + arg + "");
            }

        }

        protected JsonConfig Process_prop(JsonConfig reply,string arg,string arg_value_default)
        {
            string arg_type = GetCommandArgTypes(arg).First();
            if (arg_type != "")
            {
                if (arg_value_default != null)
                {
                    Type Dtype = reply.GetType();
                    PropertyInfo prop = Dtype.GetProperty(arg, BindingFlags.Public | BindingFlags.Instance);
                    SetPropTypeAndValue(reply, prop, arg, arg_type, arg_value_default);
                }
            }
            else
            {
                LogFormater.Debug("unknown arg_type for " + arg + "");
            }
            return reply;
        }

        public static JsonConfig Http_config_check(JsonConfig jsonConfig)
        {
            if (helpers.notempty(jsonConfig.Security_WebUIKey) == true)
            {
                if (helpers.notempty(jsonConfig.Http_Host) == true)
                {
                    if (jsonConfig.Http_Enable == true)
                    {
                        jsonConfig.Http_Enable = false;
                        if (jsonConfig.Security_WebUIKey.Length < 12)
                        {
                            LogFormater.Warn("Http disabled: Security_WebUIKey length must be 12 or more");
                        }
                        else if ((jsonConfig.Http_Host != "docker") && (jsonConfig.Http_Host.StartsWith("http") == false))
                        {
                            LogFormater.Warn("Http disabled: Http_Host must be vaild or \"docker\" - Given: (" + jsonConfig.Http_Host + ")");
                        }
                        else
                        {
                            if (jsonConfig.Http_Host == "docker")
                            {
                                jsonConfig.Http_Host = "http://*:80";
                            }
                            jsonConfig.Http_Enable = true;
                        }
                    }
                    else
                    {
                        LogFormater.Info("Http interface disabled by config");
                    }
                }
                else
                {
                    LogFormater.Warn("Http disabled: Http_Host is null");
                    jsonConfig.Http_Enable = false;
                }
            }
            else
            {
                LogFormater.Warn("Http disabled: Security_WebUIKey is null");
                jsonConfig.Http_Enable = false;
            }
            return jsonConfig;
        }

        protected JsonConfig FromDockerENV()
        {
            string[] args = this.GetCommandsList();
            JsonConfig reply = new JsonConfig();
            foreach (string arg in args)
            {
                
                string arg_value_default = Environment.GetEnvironmentVariable(arg);
                if (arg_value_default != null)
                {
                    arg_value_default = arg_value_default.Replace("[", "");
                    arg_value_default = arg_value_default.Replace("]", "");
                    arg_value_default = arg_value_default.Replace("\"", "");
                }
                reply = Process_prop(reply, arg, arg_value_default);
            }
            return reply;
        }

        public static JsonConfig FromENV()
        {
            return new MakeJsonConfig().FromDockerENV();
        }

        protected JsonConfig MakeDefault()
        {
            string[] args = this.GetCommandsList();
            JsonConfig reply = new JsonConfig();
            foreach (string arg in args)
            {
                string arg_type = GetCommandArgTypes(arg).First();
                string arg_value_default = null;
                if (arg_type != "")
                {
                    string[] ArgHints = GetCommandArgHints(arg);
                    if (ArgHints.Length > 0)
                    {
                        arg_value_default = ArgHints[0];
                        arg_value_default = arg_value_default.Replace("[", "");
                        arg_value_default = arg_value_default.Replace("]", "");
                        arg_value_default = arg_value_default.Replace("\"", "");
                    }
                    else
                    {
                        LogFormater.Debug("[Notice] No args hint found for " + arg + "");
                    }
                }
                if (arg_value_default != null)
                {
                    Type Dtype = reply.GetType();
                    PropertyInfo prop = Dtype.GetProperty(arg, BindingFlags.Public | BindingFlags.Instance);
                    SetPropTypeAndValue(reply, prop, arg, arg_type, arg_value_default);
                }
            }
            return reply;
        }
        public static JsonConfig GetDefault()
        {
            return new MakeJsonConfig().MakeDefault();
        }
    }
}