using FISLib.LiveVideo;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.Json;
using Vinno.FIS.Sonopost.Common;
using Vinno.FIS.Sonopost.Features.Oled;
using Vinno.FIS.Sonopost.Helpers;

namespace Vinno.FIS.Sonopost.Features.Config
{
    internal class SonopostUserDefinedSettingInfo
    {
        public ServerSetting ServerSetting { get; set; }

        public DicomSetting DicomSetting { get; set; }

        public NetworkSetting NetworkSetting { get; set; }

        public HardwareSetting HardwareSetting { get; set; }

        public OledSetting OledSetting { get; set; }
        public PageSetting PageSetting { get; set; }

        public CaptureSetting CaptureSetting { get; set; }

        public bool IsFirstLogin { get; set; }

        public int Version { get; set; }
    }

    internal class SonopostUserDefinedSettings : SonopostUserDefinedSettingInfo
    {
        internal static SonopostUserDefinedSettings Instance { get; private set; }

        private static string _userDefinedFolderPath = Path.Combine(SonopostConstants.DataFolder, SonopostConstants.UserDefinedSettingsFolder);
        private static string _userDefinedFilePath = Path.Combine(SonopostConstants.DataFolder, SonopostConstants.UserDefinedSettingsFolder, SonopostConstants.UserDefinedSettingFileName);

        static SonopostUserDefinedSettings()
        {
            if (!LoadConfig())
            {
                Instance = new SonopostUserDefinedSettings
                {
                    ServerSetting = new ServerSetting
                    {
                        DefaultServer = new ServerInfoSetting(SonopostConstants.ChinaServerHost, 9096, true, SonopostConstants.FlyinsonoServerName),
                        Servers = new List<ServerInfoSetting>
                        {
                            new ServerInfoSetting(SonopostConstants.ChinaServerHost, 9096, true, SonopostConstants.FlyinsonoServerName),
                            new ServerInfoSetting(SonopostConstants.ChinaServerHost, 9096, true, ""),
                            new ServerInfoSetting(SonopostConstants.GermanyServerHost, 9096, true, ""),
                            new ServerInfoSetting(SonopostConstants.HongkongServerHost, 9096, true, ""),
                        },
                    },
                    DicomSetting = new DicomSetting
                    {
                        UseDicomService = false,
                        DicomTitile = "Sonopost",
                        DicomPort = 104,
                        TempFileDays = 1,
                        UseWorkStationProxy = false,
                        WorkStationTitle = "vStation",
                        WorkStationIpAddress = "",
                        WorkStationPort = 6104,
                    },
                    NetworkSetting = new NetworkSetting(),
                    HardwareSetting = new HardwareSetting
                    {
                        VideoDeviceInfoList = new List<FISVideoDeviceInfo>(),
                        MicDeviceInfo = new FISMicDeviceInfo(),
                    },
                    OledSetting = new OledSetting
                    {
                        Language = Language.Chinese,
                    },
                    PageSetting = new PageSetting
                    {
                        Language = Language.Chinese,
                    },
                    CaptureSetting = new CaptureSetting
                    {
                        RealTimeCaptureEnabled = false,
                        ImageCaptureKeyForFootToogle = EnumFootToggleKey.LeftKey,
                        VideoCaptureKeyForFootToggle = EnumFootToggleKey.RightKey,
                        FootToggleLeftKeyForKeyBoard = EnumKeyboardKey.F1,
                        FootToggleRightKeyForKeyBoard = EnumKeyboardKey.F2,
                    },
                    IsFirstLogin = true,
                    Version = SonopostConstants.CurrentSonopostUserDefinedSettingVersion,
                };
                Instance.Save();
            }
        }

        private static bool LoadConfig()
        {
            if (!Directory.Exists(_userDefinedFolderPath))
            {
                Directory.CreateDirectory(_userDefinedFolderPath);
                return false;
            }
            if (!File.Exists(_userDefinedFilePath))
            {
                return false;
            }
            try
            {
                var jsonString = File.ReadAllText(_userDefinedFilePath);
                Instance = JsonHelper.JsonToObj<SonopostUserDefinedSettings>(jsonString);
                if (Instance == null)
                {
                    return false;
                }
                if (Instance.Version < SonopostConstants.CurrentSonopostUserDefinedSettingVersion)
                {
                    UpdateVersionFrom0To1();
                    UpdateVersionFrom1To2();
                }
                return true;
            }
            catch
            {
            }
            return false;
        }

        private static void UpdateVersionFrom0To1()
        {
            if (Instance.Version == 0)
            {
                if (Instance.PageSetting == null)//老版的配置文件可能为空，
                {
                    Instance.PageSetting = new PageSetting
                    {
                        Language = Language.Chinese,
                    };
                }
                if (!Instance.ServerSetting.Servers.Any(x => x.DisplayName == SonopostConstants.ChinaServerName && x.IsDefault))
                {
                    Instance.ServerSetting.Servers.Insert(1, new ServerInfoSetting(SonopostConstants.ChinaServerHost, 9096, true, ""));
                }
                if (!Instance.ServerSetting.Servers.Any(x => x.DisplayName == SonopostConstants.GermanyServerName && x.IsDefault))
                {
                    Instance.ServerSetting.Servers.Insert(2, new ServerInfoSetting(SonopostConstants.GermanyServerHost, 9096, true, ""));
                }
                if (!Instance.ServerSetting.Servers.Any(x => x.DisplayName == SonopostConstants.HongkongServerName && x.IsDefault))
                {
                    Instance.ServerSetting.Servers.Insert(3, new ServerInfoSetting(SonopostConstants.HongkongServerHost, 9096, true, ""));
                }
                if (Instance.CaptureSetting == null || Instance.CaptureSetting.ImageCaptureKeyForFootToogle == Instance.CaptureSetting.VideoCaptureKeyForFootToggle || Instance.CaptureSetting.FootToggleLeftKeyForKeyBoard == Instance.CaptureSetting.FootToggleRightKeyForKeyBoard)
                {
                    Instance.CaptureSetting = new CaptureSetting
                    {
                        RealTimeCaptureEnabled = false,
                        ImageCaptureKeyForFootToogle = EnumFootToggleKey.LeftKey,
                        VideoCaptureKeyForFootToggle = EnumFootToggleKey.RightKey,
                        FootToggleLeftKeyForKeyBoard = EnumKeyboardKey.F1,
                        FootToggleRightKeyForKeyBoard = EnumKeyboardKey.F2,
                    };
                }
                Instance.Version = 1;
                Instance.Save();
            }
        }

        private static void UpdateVersionFrom1To2()
        {
            if (Instance.Version == 1)
            {
                if (Instance.CaptureSetting == null)
                {
                    Instance.CaptureSetting = new CaptureSetting
                    {
                        RealTimeCaptureEnabled = false,
                        ImageCaptureKeyForFootToogle = EnumFootToggleKey.LeftKey,
                        VideoCaptureKeyForFootToggle = EnumFootToggleKey.RightKey,
                        FootToggleLeftKeyForKeyBoard = EnumKeyboardKey.F1,
                        FootToggleRightKeyForKeyBoard = EnumKeyboardKey.F2,
                    };
                }
                Instance.Version = 2;
                Instance.Save();
            }
        }

        /// <summary>
        /// Save settings.
        /// </summary>
        public void Save()
        {
            DirectoryHelper.CreateDirectory(_userDefinedFolderPath);
            var jsonString = JsonHelper.ToJson(Instance, new JsonSerializerOptions
            {
                WriteIndented = true
            });
            File.WriteAllText(_userDefinedFilePath, jsonString);
        }
    }
}