/* UserSettings.cs
 * part of zaaReloaded2
 * 
 * Copyright 2015-2018 Daniel Kraus
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace zaaReloaded2
{
    [Serializable]
    class UserSettings : Bovender.UserSettings.UserSettingsBase
    {
        #region Static property

        public static string UserSettingsFile
        {
            get
            {
                return Path.Combine(
                    Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                    Properties.Settings.Default.AppDataFolder,
                    Properties.Settings.Default.UserFolder,
                    Properties.Settings.Default.UserSettingsFile);
            }
        }

        #endregion

        #region Singleton factory

        new public static UserSettings Default
        {
            get
            {
                return _lazy.Value;
            }
        }

        private static Lazy<UserSettings> _lazy = new Lazy<UserSettings>(() =>
        {
            // Logger.Info("Initializing singleton instance");
            YamlDotNet.Serialization.DeserializerBuilder builder = ConstructDeserializerBuilder<UserSettings>();
            UserSettings s = FromFileOrDefault<UserSettings>(
                UserSettingsFile,
                builder.WithCommonTagMappings()
            );
            Bovender.UserSettings.UserSettingsBase.Default = s;
            return s;
        });

        #endregion

        #region User settings

        public DateTime LastUpdateCheck
        {
            get
            {
                if (_lastUpdateCheck == null)
                {
                    _lastUpdateCheck = new DateTime(2016, 1, 1);
                }
                return _lastUpdateCheck;
            }
            set
            {
                _lastUpdateCheck = value;
            }
        }

        public string LastVersionSeen
        {
            get
            {
                if (_lastVersionSeen == null)
                {
                    _lastVersionSeen = DEFAULT_VERSION;
                }
                return _lastVersionSeen;
            }
            set
            {
                _lastVersionSeen = value;
            }
        }

        public int UpdateCheckInterval
        {
            get
            {
                if (_updateCheckInterval <= 0)
                {
                    _updateCheckInterval = 7;
                }
                return _updateCheckInterval;
            }
            set
            {
                _updateCheckInterval = value;
            }
        }

        public bool EnableLogging
        {
            get
            {
                return LogFile.IsInitializedAndEnabled;
            }
            set
            {
                if (value)
                {
                    LogFile.Default.IsFileLoggingEnabled = true;
                }
                else if (LogFile.IsInitializedAndEnabled)
                {
                    LogFile.Default.IsFileLoggingEnabled = true;
                }
            }
        }
        public string ImportExportPath { get; set; }

        public bool SuppressItemCommentInteraction { get; set; }

        public Guid LastSettings
        {
            get
            {
                if (_lastSettings == null)
                {
                    _lastSettings = new Guid("00000000-0000-0000-0000-000000000000");
                }
                return _lastSettings;
            }
            set
            {
                _lastSettings = value;
            }
        }

        public Controller.SettingsRepository SettingsRepository { get; set; }

        [YamlDotNet.Serialization.YamlIgnore]
        public bool FirstRun { get { return LastVersionSeen == DEFAULT_VERSION; } }

        #endregion

        #region Private fields

        private DateTime _lastUpdateCheck;
        private int _updateCheckInterval;
        private string _lastVersionSeen;
        private Guid _lastSettings;
        private const string DEFAULT_VERSION = "0.0.0";

        #endregion

        #region Overrides

        public override string GetSettingsFilePath()
        {
            return UserSettingsFile;
        }

        protected override YamlDotNet.Serialization.SerializerBuilder ConstructSerializerBuilder()
        {
            return new YamlDotNet.Serialization.SerializerBuilder().WithCommonTagMappings().EnsureRoundtrip();
        }

        #endregion

        #region Constructor

        /// <summary>
        /// Creates a new instance. This should never be called directly, use
        /// the singleton factory instead. The constructor must be public to
        /// enable deserialization.
        /// </summary>
        public UserSettings() { }

        #endregion

        #region Class logger

        private static NLog.Logger Logger { get { return _logger.Value; } }

        private static readonly Lazy<NLog.Logger> _logger = new Lazy<NLog.Logger>(() => NLog.LogManager.GetCurrentClassLogger());

        #endregion
    }
}