using AI.Common.Interface;
using CustomizeDiagnosisSDK.Enums;
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;

namespace AICustomizeSDKDemo.Settings
{
    public enum AIDiagnosisType
    {
        CustomizeDiagnosis
    }

    public class SettingConfig
    {
        public event EventHandler<List<SettingProperty>> ValueChangedEvent;

        public static SettingConfig Instance { get; private set; }
        public static SettingConfig PreInstance { get; private set; }

        /// <summary>
        /// 检测模式
        /// </summary>
        public EnumDetectMode DetectMode
        {
            get; set;
        }

        /// <summary>
        /// 检测间隔
        /// </summary>
        public int DetectTps
        {
            get; set;
        }

        /// <summary>
        /// 间隔时间
        /// </summary>
        public int IntervalTime
        {
            get; set;
        }

        /// <summary>
        /// AI开关
        /// </summary>
        public bool IsEnableAI
        {
            get;
            set;
        }

        /// <summary>
        /// 是否是视频
        /// </summary>
        public bool IsVideo
        {
            get
            {
                var fileExtension = Path.GetExtension(UltrasoundImageSource);
                if (fileExtension == ".mp4" || fileExtension == ".avi")
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }

        /// <summary>
        /// 超声图像来源
        /// </summary>
        public string UltrasoundImageSource
        {
            get; set;
        }

        /// <summary>
        /// 是否异步
        /// </summary>
        public bool IsAsync { get; set; }

        public AIDiagnosisType AIDiagnosisType { get; set; }

        static SettingConfig()
        {
            if (!LoadConfig())
            {
                Instance = new SettingConfig
                {
                    UltrasoundImageSource = null,
                    IsEnableAI = true,
                    DetectTps = 2,
                    DetectMode = EnumDetectMode.PeriodicIntervals,
                    IntervalTime = 1000,
                    AIDiagnosisType = AIDiagnosisType.CustomizeDiagnosis,
                    IsAsync = false,
                };
                PreInstance = new SettingConfig
                {
                    UltrasoundImageSource = null,
                    IsEnableAI = true,
                    DetectTps = 2,
                    DetectMode = EnumDetectMode.PeriodicIntervals,
                    IntervalTime = 1000,
                    IsAsync = false,
                };
            }
        }

        private static bool LoadConfig()
        {
            var settingFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Setting", "Setting.json");
            if (!File.Exists(settingFilePath))
            {
                return false;
            }
            try
            {
                var jsonString = File.ReadAllText(settingFilePath);
                Instance = SerializeDeserializeHelper.DeserializeJsonResult<SettingConfig>(jsonString);
                PreInstance = SerializeDeserializeHelper.DeserializeJsonResult<SettingConfig>(jsonString);
                return true;
            }
            catch
            {
            }
            return false;
        }

        public void RaiseSavedEvent(List<SettingProperty> changeList)
        {
            Instance.ValueChangedEvent?.Invoke(this, changeList);
        }

        public async void Save()
        {
            var changeList = new List<SettingProperty>();

            if (Instance.UltrasoundImageSource != UltrasoundImageSource)
            {
                Instance.UltrasoundImageSource = UltrasoundImageSource;
                changeList.Add(SettingProperty.UltrasoundImageSource);
            }
            if (Instance.IsEnableAI != IsEnableAI)
            {
                Instance.IsEnableAI = IsEnableAI;
                changeList.Add(SettingProperty.IsEnableAI);
            }
            if (Instance.DetectTps != DetectTps)
            {
                Instance.DetectTps = DetectTps;
                changeList.Add(SettingProperty.DetectTps);
            }
            if (Instance.DetectMode != DetectMode)
            {
                Instance.DetectMode = DetectMode;
                changeList.Add(SettingProperty.DetectMode);
            }
            if (Instance.IntervalTime != IntervalTime)
            {
                Instance.IntervalTime = IntervalTime;
                changeList.Add(SettingProperty.IntervalTime);
            }
            if (Instance.AIDiagnosisType != AIDiagnosisType)
            {
                Instance.AIDiagnosisType = AIDiagnosisType;
                changeList.Add(SettingProperty.AIDiagnosisType);
            }
            if (Instance.IsAsync != IsAsync)
            {
                Instance.IsAsync = IsAsync;
                changeList.Add(SettingProperty.IsAsync);
            }
            var settingFolderPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Setting");
            var settingFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Setting", "Setting.json");
            var jsonString = SerializeDeserializeHelper.SerializeToJsonString(Instance);
            if (!Directory.Exists(settingFolderPath))
            {
                Directory.CreateDirectory(settingFolderPath);
            }
            File.WriteAllText(settingFilePath, jsonString);
            if (changeList.Count > 0)
            {
                await Task.Run(() =>
                {
                    Instance.ValueChangedEvent?.Invoke(this, changeList);
                });
            }
        }
    }
}