using UnityEditor;
using UnityEngine;
using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Security.Cryptography.X509Certificates;
using Perforce.P4;
using log4net;

namespace P4Connect
{
    // Use the Config Class to hold current configuration and persist it through runs.
    [Serializable]
    public class Config : ScriptableObject
    {
        private static readonly ILog log = LogManager.GetLogger(typeof(Config));

        public const string P4ConfigDefault = ".p4config";
        public const string P4BridgeDllName = "p4bridge.dll";
        public const string P4BridgeDylibName = "libp4bridge.dylib";

        // Config Class mostly static but is also a singleton
        private static Config _pInstance;

        public static Config Instance
        {
            get
            {
                if (_pInstance == null)
                {
                    //Debug.Log("Config CreateInstance");
                    _pInstance = ScriptableObject.CreateInstance("Config") as Config;
                }
                
                if (_pInstance == null)
                {
                    Debug.Log("P4 Pinstance is null");
                }
                return _pInstance;
            }
        }

        // Helper property to indicate that P4 can be used
        public static bool ValidConfiguration { get { return PerforceEnabled && Valid; } }

        // Event triggered when the configuration changes
        public delegate void OnPrefsChanged();
        public static event OnPrefsChanged PrefsChanged;

        public void OnEnable()
        {
            hideFlags = HideFlags.HideAndDontSave;
            _pInstance = this;
        }

        /// <summary>
        /// Reads connection settings from Prefs at least once
        /// </summary>
        public static void Initialize()
        {
            // If No Config values are set, so load them in from the Config Asset or EditorPrefs
            if (string.IsNullOrEmpty(Config.ServerUri))
            {
                ResetValues();

                bool foundConfigAsset = ReadConfigAsset();
                if (foundConfigAsset)
                {
                    Debug.Log("Loading Configuration Asset");
                    Config.SaveMode = SaveSettingsMode.ConfigAsset;
                }
                else
                {
                    Debug.Log("Loading Configuration EditorPrefs");
                    Config.SaveMode = SaveSettingsMode.EditorPrefs;
                    ReadPrefs();
                }
                LastSavedConnection = new ConnectionConfig(true);
                DefaultConnection = new ConnectionConfig(true);
            }

            if (PerforceEnabled)
            {
                if (EnableLog)
                {
                    Logger.Initialize();   // initialize logging if not done before
                }

                if (DefaultConnection.Tested && DefaultConnection.Valid)
                {
                        Valid = true; 
                        LastGoodConnection = new ConnectionConfig(DefaultConnection);
                        //Debug.Log("Reconnecting ...");
                }
                else
                {
                    // Create a Default Connection from the Config settings.
                    Config.DefaultConnection.FromConfig(); 
                    Valid = CheckSettings(DefaultConnection);
                }
            }
        }

        /// <summary>
        /// Checks the that settings are valid
        /// </summary>
        public static bool CheckSettings(ConnectionConfig cfg)
        {
            //Debug.Log("CheckSettings: " + cfg.ToString());

            if (PerforceEnabled)
            {
                bool goodConnection = TestConnectionConfig(cfg);  // Test Configuration
                if (!goodConnection)
                {
                    Debug.LogWarning("P4Connect - Perforce integration is enabled but inactive: " + cfg.Summary() + "\n  Go to Edit->Perforce Settings to update your settings");
                }
                else
                {
                    ConnectionWizard.CloseWindows();
                    PasswordPrompt.CloseWindows();

                    // Debug.Log("P4Connect - Perforce Integration is Active");
                    return true;
                }
            }
            return false;
        }

        /// <summary>
        /// Updates the current configuration state after checking all the settings
        /// </summary>
        public static bool TestConnectionConfig(ConnectionConfig cfg)
        {
            bool returnValue = false;
            const string title = "P4Connect - Hold on";

            if (Config.LastGoodConnection.Valid && Config.LastGoodConnection.Matches(cfg))
            {
                //Debug.Log("Using LastGoodConnection");
                cfg = LastGoodConnection;              // Use LastGoodConnection
                return true;
            }

            try
            {
                cfg.Tested = true;
                if (!cfg.MetafilesValid)
                {
                    EditorUtility.DisplayProgressBar(title, "Checking Meta Files", 0.2f);
                    cfg.MetafilesValid = P4Connect.VerifySettings.CheckMetaFiles();
                }

                if (cfg.MetafilesValid && !cfg.ServerValid)
                {
                    EditorUtility.DisplayProgressBar(title, "Checking Server", 0.4f);
                    cfg.ServerValid = P4Connect.VerifySettings.CheckServerUri(cfg);
                }

                if (cfg.ServerValid && !cfg.PasswordValid)
                {
                    EditorUtility.DisplayProgressBar(title, "Checking Login", 0.6f);
                    cfg.PasswordValid = P4Connect.VerifySettings.CheckUsernamePassword(cfg);
                }

                if (cfg.PasswordValid && !cfg.WorkspaceValid)
                {
                    EditorUtility.DisplayProgressBar(title, "Checking Workspace", 0.8f);
                    cfg.WorkspaceValid = P4Connect.VerifySettings.CheckWorkspace(cfg);
                }

                if (cfg.WorkspaceValid && !cfg.ProjectRootValid)
                {
                    EditorUtility.DisplayProgressBar(title, "Checking Project Root", 0.9f);
                    cfg.ProjectRootValid = P4Connect.VerifySettings.CheckProjectRoot(cfg);
                }

                returnValue = cfg.ProjectRootValid;
            }
            catch (Exception ex)
            {
                log.Debug("TestConnectionConfig exception: " + ex.ToString());
                log.Debug("TestConnectionConfig exception", ex);
            }

            EditorUtility.ClearProgressBar();

            if (returnValue == true)
            {
                // Debug.Log("Saving LastGoodConnection");
                Config.LastGoodConnection = cfg;
            }
            return returnValue;
        }

        public static void SetProjectRootDirectory()
        {
            if (Config.ValidConfiguration)
            {
                //log.Debug("conn status: " + DefaultConnection.Summary() );

                Engine.PerformConnectionOperation(con =>
                {
                    // project root in perforce syntax
                    var spec = FileSpec.LocalSpec(System.IO.Path.Combine(Main.RootPath, "..."));

                    var mappings = con.P4Client.GetClientFileMappings(spec);

                    if (mappings != null && mappings.Count > 0)
                    {
                        // string ProjectRoot;
                        ClientProjectRoot = mappings[0].ClientPath.Path;

                        DepotProjectRoot = mappings[0].DepotPath.Path;

                        //log.Debug("ClientProjectRoot: " + ClientProjectRoot);
                        //log.Debug("DepotProjectRoot: " + DepotProjectRoot);
                    }
                    else
                    {
                        Debug.LogError("Unable to determine Project Root! ");
                    }
                });
            }
        }

        #region Instance Variables
        [SerializeField]
        private string _serverUri;
        [SerializeField]
        private string _username;
        [SerializeField]
        private string _password;
        [SerializeField]
        private string _workspace;
        [SerializeField]
        private bool _unityVsSupport;
        [SerializeField]
        private bool _perforceEnabled;
        [SerializeField]
        private bool _includeSolutionFiles;
        [SerializeField]
        private bool _includeProjectFiles;
        [SerializeField]
        private bool _showPaths;
        [SerializeField]
        private bool _askBeforeCheckout;
        [SerializeField]
        private bool _displayStatusIcons;
        [SerializeField]
        private string _hostname;
        [SerializeField]
        private string _charset;
        [SerializeField]
        private string _diffToolPathname;
        [SerializeField]
        private bool _displayP4Timings;
        [SerializeField]
        private bool _echoP4Commands;
        [SerializeField]
        private bool _checkStatusForMenus;
        [SerializeField]
        private bool _warnOnSpecialCharacters;
        [SerializeField]
        private int _checkStatusForMenusMaxItems;
        [SerializeField]
        private int _operationBatchCount;
        [SerializeField]
        private int _connectionTimeOut;
        [SerializeField]
        private string _ignoreName;
        [SerializeField]
        private string _ignoreLines;
        [SerializeField]
        private bool _useTypemap;
        [SerializeField]
        private bool _enableLog;
        [SerializeField]
        private Logger.LogLevel _consoleLogLevel;
        [SerializeField]
        private string _logPath;
        [SerializeField]
        private string _clientProjectRootMatch;
        [SerializeField]
        private IList<FileSpec> _projectFileSpec;
        [SerializeField]
        private string _depotProjectRoot;
        [SerializeField]
        private bool _valid;
        [SerializeField]
        private string _clientProjectRoot;
        [SerializeField]
        private SaveSettingsMode _currentSaveMode = SaveSettingsMode.EditorPrefs;

        [SerializeField]
        private ConnectionConfig _defaultConnection;
        [SerializeField]
        private ConnectionConfig _lastGoodConnection;
        [SerializeField]
        private ConnectionConfig _lastSavedConnection;
        #endregion

        #region Properties

        public static string ServerUri
        {
            get { return Instance._serverUri; }
            set { Instance._serverUri = value; }
        }

        public static string Username
        {
            get { return Instance._username; }
            set { Instance._username = value; }
        }

        public static string Password
        {
            get { return Instance._password; }
            set { Instance._password = value; }
        }

        public static string Workspace
        {
            get { return Instance._workspace; }
            set { Instance._workspace = value; }
        }

        public static bool UnityVsSupport
        {
            get { return Instance._unityVsSupport; }
            set { Instance._unityVsSupport = value; }
        }

        public static bool PerforceEnabled
        {
            get { return Instance._perforceEnabled; }
            set { Instance._perforceEnabled = value; }
        }

        public static bool IncludeSolutionFiles
        {
            get { return Instance._includeSolutionFiles; }
            set { Instance._includeSolutionFiles = value; }
        }

        public static bool IncludeProjectFiles
        {
            get { return Instance._includeProjectFiles; }
            set { Instance._includeProjectFiles = value; }
        }

        public static bool ShowPaths
        {
            get { return Instance._showPaths; }
            set { Instance._showPaths = value; }
        }

        public static bool AskBeforeCheckout
        {
            get { return Instance._askBeforeCheckout; }
            set { Instance._askBeforeCheckout = value; }
        }

        public static bool DisplayStatusIcons
        {
            get { return Instance._displayStatusIcons; }
            set { Instance._displayStatusIcons = value; }
        }

        public static string Hostname
        {
            get { return Instance._hostname; }
            set { Instance._hostname = value; }
        }

        public static string Charset
        {
            get { return Instance._charset; }
            set { Instance._charset = value; }
        }

        public static string DiffToolPathname
        {
            get { return Instance._diffToolPathname; }
            set { Instance._diffToolPathname = value; }
        }

        public static bool DisplayP4Timings
        {
            get { return Instance._displayP4Timings; }
            set { Instance._displayP4Timings = value; }
        }

        public static bool EchoP4Commands
        {
            get { return Instance._echoP4Commands; }
            set { Instance._echoP4Commands = value; }
        }

        public static bool CheckStatusForMenus
        {
            get { return Instance._checkStatusForMenus; }
            set { Instance._checkStatusForMenus = value; }
        }

        public static bool WarnOnSpecialCharacters
        {
            get { return Instance._warnOnSpecialCharacters; }
            set { Instance._warnOnSpecialCharacters = value; }
        }

        public static int CheckStatusForMenusMaxItems
        {
            get { return Instance._checkStatusForMenusMaxItems; }
            set { Instance._checkStatusForMenusMaxItems = value; }
        }

        public static int OperationBatchCount
        {
            get { return Instance._operationBatchCount; }
            set { Instance._operationBatchCount = value; }
        }

        public static int ConnectionTimeOut
        {
            get { return Instance._connectionTimeOut; }
            set { Instance._connectionTimeOut = value; }
        }

        public static string IgnoreName
        {
            get { return Instance._ignoreName; }
            set { Instance._ignoreName = value; }
        }

        public static string IgnoreLines
        {
            get { return Instance._ignoreLines; }
            set { Instance._ignoreLines = value; }
        }

        public static bool UseTypemap
        {
            get { return Instance._useTypemap; }
            set { Instance._useTypemap = value; }
        }

        public static bool EnableLog
        {
            get { return Instance._enableLog; }
            set { Instance._enableLog = value; }
        }

        public static Logger.LogLevel ConsoleLogLevel
        {
            get { return Instance._consoleLogLevel; }
            set { Instance._consoleLogLevel = value; }
        }

        public static string LogPath
        {
            get { return Instance._logPath; }
            set { Instance._logPath = value; }
        }

      
        public static string ClientProjectRoot // Client path associated with project root (has /...)
        {
            get
            {
                return (Instance._clientProjectRoot);
            }
            set
            {
                Instance._clientProjectRoot = value;
                ClientProjectRootMatch = ClientProjectRoot.Substring(0, Math.Max(0, ClientProjectRoot.Length - 4));
                ProjectFileSpec = FileSpec.ClientSpecList(new string[1] { Instance._clientProjectRoot });
            }
        }

        // Client path without the /... stuff.
        public static string ClientProjectRootMatch
        {
            set { Instance._clientProjectRootMatch = value; }
            get { return Instance._clientProjectRootMatch; }
        }

        // File Spec which describes the scope of the project (with /...)
        public static IList<FileSpec> ProjectFileSpec
        {
            set { Instance._projectFileSpec = value; }
            get { return Instance._projectFileSpec; }
        }

        // Depot path associated with project root (has /...)
        public static string DepotProjectRoot
        {
            get { return Instance._depotProjectRoot; }
            set { Instance._depotProjectRoot = value; }
        }

        // Connection Settings Have been Tested
        public static bool Valid
        {
            set { Instance._valid = value; }
            get { return Instance._valid; }
        }

        public static SaveSettingsMode SaveMode
        {
            get { return Instance._currentSaveMode; }
            set { Instance._currentSaveMode = value; }
        }

        public static ConnectionConfig DefaultConnection
        {
            get
            {
                if (Instance._defaultConnection == null)
                {
                    Instance._defaultConnection = new ConnectionConfig();
                }
                return (Instance._defaultConnection);
            }
            set { Instance._defaultConnection = value; }
        }

        public static ConnectionConfig LastGoodConnection
        {
            get
            {
                if (Instance._lastGoodConnection == null)
                {
                    Instance._lastGoodConnection = new ConnectionConfig();
                }
                return (Instance._lastGoodConnection);
            }
            set { Instance._lastGoodConnection = value; }
        }

        public static ConnectionConfig LastSavedConnection
        {
            get
            {
                if (Instance._lastSavedConnection == null)
                {
                    Instance._lastSavedConnection = new ConnectionConfig();
                }
                return (Instance._lastSavedConnection);
            }
            set { Instance._lastSavedConnection = value; }
        }
        #endregion

        public enum SaveSettingsMode
        {
            EditorPrefs,
            ConfigAsset,
        }

        public static void ResetValues()
        {
            // Set some default values
            ServerUri = "localhost:1666";
            Username = Environment.UserName.Replace(' ', '_');
            Password = "";
            Workspace = (Username + "_" + Main.ProjectName + "_" + Environment.MachineName).Replace(' ', '_');
            UnityVsSupport = false;
            PerforceEnabled = false;
            IncludeProjectFiles = false;
            IncludeSolutionFiles = false;
            ShowPaths = false;
            AskBeforeCheckout = false;
            DisplayStatusIcons = true;
            Hostname = "";
            Charset = "";
            DiffToolPathname = "";
            DisplayP4Timings = false;
            EchoP4Commands = false;
            CheckStatusForMenus = true;
            CheckStatusForMenusMaxItems = 10;
            ConnectionTimeOut = 30;
            WarnOnSpecialCharacters = true;
            IgnoreName = "";
            IgnoreLines = "";
            UseTypemap = false;
            EnableLog = false;
            LogPath = DefaultLogFile();
            ConsoleLogLevel = Logger.LogLevel.Info;
        }

        // Get an OS dependent path to the default p4connect log file.
        public static string DefaultLogFile()
        {
            string rv = "";
            if (Application.platform == RuntimePlatform.OSXEditor)
            {
                rv = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "Library/Logs/Unity/p4connect.log");
            }
            else // (Application.platform == RuntimePlatform.WindowsEditor)
            {
                rv = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Unity\\Editor\\p4connect.log");
            }

            rv = rv.Replace('/', System.IO.Path.DirectorySeparatorChar);

            //Debug.Log("DefaultLogFile: " + rv);

            return rv;
        }

        #region P4CONFIG

        public static string FindP4ConfigFile(string config)
        {
            if (!String.IsNullOrEmpty(config))
            {
                string path = Application.dataPath;
                while (path != null)
                {
                    var directoryName = Path.GetDirectoryName(path);
                    if (!String.IsNullOrEmpty(directoryName))
                    {
                        string[] files = System.IO.Directory.GetFiles(directoryName, config);
                        if (files.Any())
                        {
                            return files[0];
                        }
                    }
                    path = directoryName;
                }
            }
            return null;
        }

        public static void LoadP4ConfigFile(string path)
        {
            string line;
            char[] equalsChars = { '=' };

            System.IO.StreamReader file = new System.IO.StreamReader(path);
            while ((line = file.ReadLine()) != null)
            {
                string[] segments = line.Split(equalsChars);
                if (segments.Length >= 2)
                {
                    string key = segments[0];
                    string val = segments[1];

                    switch (segments[0])
                    {
                        case "P4PORT":
                            {
                                ServerUri = val;
                            }
                            break;
                        case "P4USER":
                            {
                                Username = val;
                            }
                            break;
                        case "P4CLIENT":
                            {
                                Workspace = val;
                            }
                            break;
                        case "P4PASSWD":
                            {
                                Password = val;
                            }
                            break;
                        case "P4HOST":
                            {
                                Hostname = val;
                            }
                            break;
                        case "P4CHARSET":
                            {
                                Charset = val;
                            }
                            break;
                    }
                }
            }
            file.Close();
        }
        #endregion

        #region Environment
        // Check for the "well known" Perforce environment variables.
        public static bool ReadEnvironment()
        {
            bool found = false;

            string value = Environment.GetEnvironmentVariable("P4PORT");
            if (value != null)
            {
                Config.ServerUri = value;
                found = true;
            }

            value = Environment.GetEnvironmentVariable("P4USER");
            if (value != null)
            {
                Config.Username = value;
                found = true;
            }
            value = Environment.GetEnvironmentVariable("P4PASSWD");
            if (value != null)
            {
                Config.Password = value;
                found = true;
            }
            value = Environment.GetEnvironmentVariable("P4CLIENT");
            if (value != null)
            {
                Config.Workspace = value;
                found = true;
            }
            value = Environment.GetEnvironmentVariable("P4HOST");
            if (value != null)
            {
                Config.Hostname = value;
                found = true;
            }
            value = Environment.GetEnvironmentVariable("P4CHARSET");
            if (value != null)
            {
                Config.Charset = value;
                found = true;
            }
            value = Environment.GetEnvironmentVariable("P4IGNORE");
            if (value != null)
            {
                Config.IgnoreName = value;
                found = true;
            }
            //Config.Refresh();
            return found;
        }

        #endregion

        #region ConfigAsset

        static string configAssetPath = "Assets/P4Connect/Editor/Config.asset";


        public static void WriteConfigAsset()
        {
            ConfigAsset asset = ScriptableObject.CreateInstance<ConfigAsset>();
            asset.CopyConfigToAsset();

            AssetDatabase.CreateAsset(asset, configAssetPath);
            AssetDatabase.SaveAssets();
        }

        public static bool ReadConfigAsset()
        {
            ConfigAsset asset = AssetDatabase.LoadAssetAtPath(configAssetPath, (typeof(ConfigAsset))) as ConfigAsset;
            if (asset != null)
            {
                asset.CopyAssetToConfig();
                return true;
            }
            else
            {
                return false;
            }
        }

        public static void DeleteConfigAsset()
        {
            if (!AssetDatabase.DeleteAsset(configAssetPath))
            {
                System.IO.File.Delete(System.IO.Path.Combine(Main.RootPath, configAssetPath));
            }
        }

        /* If the inspector is used to view a Config Asset, these properties control the presentation */
        [CustomEditor(typeof(ConfigAsset))]
        public class ConfigAssetPropertiesEditor : Editor
        {
            public override void OnInspectorGUI()
            {
                GUI.enabled = false;
                DrawDefaultInspector();
                GUI.enabled = true;
            }
        }

        #endregion

        #region Registry Names

        // These are the names under which the connection settings are stored in the registry
        public const string ServerUriPrefName = "ServerURI";
        public const string UserNamePrefName = "UserName";
        public const string PasswordPrefName = "Password";
        public const string WorkspacePrefName = "Workspace";
        public const string PerforceEnabledPrefName = "Enabled";
        public const string UnityVsSupportPrefName = "UnityVSSupport";
        public const string IncludeProjectFilesPrefName = "IncludeProjectFiles";
        public const string IncludeSolutionFilesPrefName = "IncludeSolutionFiles";
        public const string ShowPathsPrefName = "ShowPaths";
        public const string AskBeforeCheckoutPrefName = "AskBeforeCheckout";
        public const string DisplayStatusIconsPrefName = "DisplayStatusIcons";
        public const string HostnamePrefName = "Hostname";
        public const string DiffToolPathnamePrefName = "DiffToolPathname";
        public const string DisplayP4TimingsPrefName = "DisplayTimings";
        public const string DisplayP4CommandsPrefName = "DisplayCommands";
        public const string CheckStatusForMenusPrefName = "CheckStatusForMenus";
        public const string CheckStatusForMenusMaxItemsPrefName = "CheckStatusForMenusMaxItems";
        public const string OperationBatchCountPrefName = "OperationBatchCount";
        public const string ConnectionTimeOutPrefName = "ConnectionTimeOut";
        public const string WarnOnSpecialCharactersPrefName = "WarnOnSpecialCharacters";
        public const string UseIgnorePrefName = "UseIgnore";
        public const string IgnoreNamePrefName = "IgnoreName";
        public const string EnableLogPrefName = "EnableLog";
        public const string ConsoleLogLevelPrefName = "ConsoleLogLevel";
        public const string LogPathPrefName = "LogPath";
        public const string IgnoreLinesPrefName = "IgnoreLines";
        public const string UseTypemapPrefName = "UseTypemap";

        #endregion

        #region EditorPreferences

        // Utility method to read connection prefs from the registry
        public static void ReadPrefs()
        {
            // Check if the keys exist, and if so, read the values out
            // Otherwise, leave the existing values
            if (HasStringPrefNotEmpty(ServerUriPrefName))
                ServerUri = GetPrefString(ServerUriPrefName);
            if (HasStringPrefNotEmpty(UserNamePrefName))
                Username = GetPrefString(UserNamePrefName);
            if (HasStringPrefNotEmpty(PasswordPrefName))
            {
                Password = Secure.DecryptString(GetPrefString(PasswordPrefName));
            }

            if (HasStringPrefNotEmpty(WorkspacePrefName))
                Workspace = GetPrefString(WorkspacePrefName);
            if (HasPref(PerforceEnabledPrefName))
                PerforceEnabled = GetPrefBool(PerforceEnabledPrefName);
            if (HasPref(UnityVsSupportPrefName))
                UnityVsSupport = GetPrefBool(UnityVsSupportPrefName);
            if (HasPref(IncludeProjectFilesPrefName))
                IncludeProjectFiles = GetPrefBool(IncludeProjectFilesPrefName);
            if (HasPref(IncludeSolutionFilesPrefName))
                IncludeSolutionFiles = GetPrefBool(IncludeSolutionFilesPrefName);
            if (HasPref(ShowPathsPrefName))
                ShowPaths = GetPrefBool(ShowPathsPrefName);
            if (HasPref(AskBeforeCheckoutPrefName))
                AskBeforeCheckout = GetPrefBool(AskBeforeCheckoutPrefName);
            if (HasPref(DisplayStatusIconsPrefName))
                DisplayStatusIcons = GetPrefBool(DisplayStatusIconsPrefName);
            if (HasStringPrefNotEmpty(HostnamePrefName))
                Hostname = GetPrefString(HostnamePrefName);
            if (HasStringPrefNotEmpty(DiffToolPathnamePrefName))
                DiffToolPathname = GetPrefString(DiffToolPathnamePrefName);
            if (HasPref(DisplayP4TimingsPrefName))
                DisplayP4Timings = GetPrefBool(DisplayP4TimingsPrefName);
            if (HasPref(DisplayP4CommandsPrefName))
                EchoP4Commands = GetPrefBool(DisplayP4CommandsPrefName);
            if (HasPref(CheckStatusForMenusPrefName))
                CheckStatusForMenus = GetPrefBool(CheckStatusForMenusPrefName);
            if (HasPref(CheckStatusForMenusMaxItemsPrefName))
                CheckStatusForMenusMaxItems = GetPrefInt(CheckStatusForMenusMaxItemsPrefName);
            if (HasPref(OperationBatchCountPrefName))
                OperationBatchCount = GetPrefInt(OperationBatchCountPrefName);
            if (HasPref(ConnectionTimeOutPrefName))
                ConnectionTimeOut = GetPrefInt(ConnectionTimeOutPrefName);
            if (HasPref(WarnOnSpecialCharactersPrefName))
                WarnOnSpecialCharacters = GetPrefBool(WarnOnSpecialCharactersPrefName);
            if (HasStringPrefNotEmpty(IgnoreNamePrefName))
                IgnoreName = GetPrefString(IgnoreNamePrefName);
            if (HasStringPrefNotEmpty(IgnoreLinesPrefName))
                IgnoreLines = GetPrefString(IgnoreLinesPrefName);
            if (HasPref(UseTypemapPrefName))
                UseTypemap = GetPrefBool(UseTypemapPrefName);
            if (HasPref(EnableLogPrefName))
                EnableLog = GetPrefBool(EnableLogPrefName);
            if (HasPref(ConsoleLogLevelPrefName))
                ConsoleLogLevel = (Logger.LogLevel)GetPrefInt(ConsoleLogLevelPrefName);
            if (HasStringPrefNotEmpty(LogPathPrefName))
                LogPath = GetPrefString(LogPathPrefName);

            //Config.Refresh();

            // Notify users that prefs changed
            if (PrefsChanged != null)
                PrefsChanged();
        }

        // Utility method to write our the connection prefs to the registry
        public static void WritePrefs()
        {
            SetPrefString(ServerUriPrefName, ServerUri);
            SetPrefString(UserNamePrefName, Username);
            if (!String.IsNullOrEmpty(Password))
            {
                //SetPrefString(PasswordPrefName, Password);
                SetPrefString(PasswordPrefName, Secure.EncryptString(Password));
            }

            SetPrefString(WorkspacePrefName, Workspace);
            SetPrefBool(PerforceEnabledPrefName, PerforceEnabled);
            SetPrefBool(UnityVsSupportPrefName, UnityVsSupport);
            SetPrefBool(IncludeProjectFilesPrefName, IncludeProjectFiles);
            SetPrefBool(IncludeSolutionFilesPrefName, IncludeSolutionFiles);
            SetPrefBool(ShowPathsPrefName, ShowPaths);
            SetPrefBool(AskBeforeCheckoutPrefName, AskBeforeCheckout);
            SetPrefBool(DisplayStatusIconsPrefName, DisplayStatusIcons);
            SetPrefString(HostnamePrefName, Hostname);
            SetPrefString(DiffToolPathnamePrefName, DiffToolPathname);
            SetPrefBool(DisplayP4TimingsPrefName, DisplayP4Timings);
            SetPrefBool(DisplayP4CommandsPrefName, EchoP4Commands);
            SetPrefBool(CheckStatusForMenusPrefName, CheckStatusForMenus);
            SetPrefInt(CheckStatusForMenusMaxItemsPrefName, CheckStatusForMenusMaxItems);
            SetPrefInt(OperationBatchCountPrefName, OperationBatchCount);
            SetPrefInt(ConnectionTimeOutPrefName, ConnectionTimeOut);
            SetPrefBool(WarnOnSpecialCharactersPrefName, WarnOnSpecialCharacters);
            SetPrefString(IgnoreNamePrefName, IgnoreName);
            SetPrefString(IgnoreLinesPrefName, IgnoreLines);
            SetPrefBool(UseTypemapPrefName, UseTypemap);
            SetPrefBool(EnableLogPrefName, EnableLog);
            SetPrefInt(ConsoleLogLevelPrefName, (int)ConsoleLogLevel);
            SetPrefString(LogPathPrefName, LogPath);
        }

        static string GetFullPrefName(string aPrefName)
        {
            return "P4Connect_" + Main.ProjectName + "_" + aPrefName;
        }

        static bool HasPref(string aPrefName)
        {
            return EditorPrefs.HasKey(GetFullPrefName(aPrefName));
        }

        static bool HasStringPrefNotEmpty(string aPrefName)
        {
            return (!String.IsNullOrEmpty(EditorPrefs.GetString(GetFullPrefName(aPrefName))));
        }

        static void SetPrefString(string aPrefName, string aPref)
        {
            EditorPrefs.SetString(GetFullPrefName(aPrefName), aPref);
        }

        static void SetPrefInt(string aPrefName, int aPref)
        {
            EditorPrefs.SetInt(GetFullPrefName(aPrefName), aPref);
        }

        static void SetPrefBool(string aPrefName, bool aPref)
        {
            EditorPrefs.SetBool(GetFullPrefName(aPrefName), aPref);
        }

        static string GetPrefString(string aPrefName)
        {
            return EditorPrefs.GetString(GetFullPrefName(aPrefName));
        }

        static int GetPrefInt(string aPrefName)
        {
            return EditorPrefs.GetInt(GetFullPrefName(aPrefName));
        }

        static bool GetPrefBool(string aPrefName)
        {
            return EditorPrefs.GetBool(GetFullPrefName(aPrefName));
        }

        // [MenuItem("Edit/Delete Project EditorPrefs", false, 300)]
        static void DeleteAllEditorPrefs()
        {
            // Delete All keys for this project
            EditorPrefs.DeleteKey(ServerUriPrefName);
            EditorPrefs.DeleteKey(UserNamePrefName);
            EditorPrefs.DeleteKey(PasswordPrefName);
            EditorPrefs.DeleteKey(WorkspacePrefName);
            EditorPrefs.DeleteKey(UnityVsSupportPrefName);
            EditorPrefs.DeleteKey(IncludeProjectFilesPrefName);
            EditorPrefs.DeleteKey(IncludeSolutionFilesPrefName);
            EditorPrefs.DeleteKey(ShowPathsPrefName);
            EditorPrefs.DeleteKey(AskBeforeCheckoutPrefName);
            EditorPrefs.DeleteKey(DisplayStatusIconsPrefName);
            EditorPrefs.DeleteKey(HostnamePrefName);
            EditorPrefs.DeleteKey(DiffToolPathnamePrefName);
            EditorPrefs.DeleteKey(DisplayP4TimingsPrefName);
            EditorPrefs.DeleteKey(DisplayP4CommandsPrefName);
            EditorPrefs.DeleteKey(CheckStatusForMenusPrefName);
            EditorPrefs.DeleteKey(CheckStatusForMenusMaxItemsPrefName);
            EditorPrefs.DeleteKey(OperationBatchCountPrefName);
            EditorPrefs.DeleteKey(ConnectionTimeOutPrefName);
            EditorPrefs.DeleteKey(WarnOnSpecialCharactersPrefName);
            EditorPrefs.DeleteKey(IgnoreNamePrefName);
            EditorPrefs.DeleteKey(IgnoreLinesPrefName);
            EditorPrefs.DeleteKey(UseTypemapPrefName);
            EditorPrefs.DeleteKey(EnableLogPrefName);
            EditorPrefs.DeleteKey(ConsoleLogLevelPrefName);
        }
        #endregion

    }

    [Serializable]
    public class ConfigAsset : ScriptableObject
    {
        // These are the config values
        // We serialize this Class and place it in the P4Connect/Editor Asset Hierarchy
        public string ServerUri;
        public string Username;
        [HideInInspector]
        public string Password;
        public string Workspace;
        public string Hostname;
        public string Charset;
        public bool UnityVsSupport;
        public bool PerforceEnabled;
        public bool IncludeProjectFiles;
        public bool IncludeSolutionFiles;
        public bool ShowPaths;
        public bool AskBeforeCheckout;
        public bool DisplayStatusIcons;
        public string DiffToolPathname;
        public bool DisplayP4Timings;
        public bool DisplayP4Commands;
        public bool CheckStatusForMenus;
        public int CheckStatusForMenusMaxItems;
        public int ConnectionTimeOut;
        public bool WarnOnSpecialCharacters;
        public string IgnoreName;
        public bool EnableLog;
        public Logger.LogLevel ConsoleLogLevel;
        public string LogPath;
        public string IgnoreLines;
        public bool UseTypemap;


        // Copy the contents of this ConfigAsset into the P4Connect Config class.
        public void CopyAssetToConfig()
        {
            Config.ServerUri = ServerUri;
            Config.Username = Username;
            Config.Password = Password;
            Config.Workspace = Workspace;
            Config.Hostname = Hostname;
            Config.Charset = Charset;
            Config.UnityVsSupport = UnityVsSupport;
            Config.PerforceEnabled = PerforceEnabled;
            Config.IncludeProjectFiles = IncludeProjectFiles;
            Config.IncludeSolutionFiles = IncludeSolutionFiles;
            Config.ShowPaths = ShowPaths;
            Config.AskBeforeCheckout = AskBeforeCheckout;
            Config.DisplayStatusIcons = DisplayStatusIcons;
            Config.DiffToolPathname = DiffToolPathname;
            Config.DisplayP4Timings = DisplayP4Timings;
            Config.EchoP4Commands = DisplayP4Commands;
            Config.CheckStatusForMenus = CheckStatusForMenus;
            Config.CheckStatusForMenusMaxItems = CheckStatusForMenusMaxItems;
            Config.ConnectionTimeOut = ConnectionTimeOut;
            Config.WarnOnSpecialCharacters = WarnOnSpecialCharacters;
            Config.IgnoreName = IgnoreName;
            Config.EnableLog = EnableLog;
            Config.ConsoleLogLevel = ConsoleLogLevel;
            Config.LogPath = LogPath;
            Config.IgnoreLines = IgnoreLines;
            Config.UseTypemap = UseTypemap;
        }

        // Seed a ConfigAsset with data from the Config Class
        public void CopyConfigToAsset()
        {
            ServerUri = Config.ServerUri;
            Username = Config.Username;
            Password = Config.Password;
            Workspace = Config.Workspace;
            Hostname = Config.Hostname;
            Charset = Config.Charset;
            UnityVsSupport = Config.UnityVsSupport;
            PerforceEnabled = Config.PerforceEnabled;
            IncludeProjectFiles = Config.IncludeProjectFiles;
            IncludeSolutionFiles = Config.IncludeSolutionFiles;
            ShowPaths = Config.ShowPaths;
            AskBeforeCheckout = Config.AskBeforeCheckout;
            DisplayStatusIcons = Config.DisplayStatusIcons;
            DiffToolPathname = Config.DiffToolPathname;
            DisplayP4Timings = Config.DisplayP4Timings;
            DisplayP4Commands = Config.EchoP4Commands;
            CheckStatusForMenus = Config.CheckStatusForMenus;
            CheckStatusForMenusMaxItems = Config.CheckStatusForMenusMaxItems;
            ConnectionTimeOut = Config.ConnectionTimeOut;
            WarnOnSpecialCharacters = Config.WarnOnSpecialCharacters;
            IgnoreName = Config.IgnoreName;
            EnableLog = Config.EnableLog;
            ConsoleLogLevel = Config.ConsoleLogLevel;
            LogPath = Config.LogPath;
            IgnoreLines = Config.IgnoreLines;
            UseTypemap = Config.UseTypemap;
        }
    }

}