using IRaCIS.Core.Application.ViewModel;
using IRaCIS.Core.Domain.Share;
using IRaCIS.Core.Infrastructure;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static IRaCIS.Core.Application.Service.Common.SystemMonitor;

namespace IRaCIS.Core.Application.Helper
{
    public static class InternationalizationHelper
    {
        public static string JsonFileFolder = Path.Combine(AppContext.BaseDirectory, StaticData.Folder.Resources);

        private static void VerifyFolder()
        {
            if (!Directory.Exists(JsonFileFolder) ||
               !Directory.GetFiles(JsonFileFolder).Any(filePath => Path.GetExtension(filePath).Equals(".json", StringComparison.OrdinalIgnoreCase)))
            {
                throw new BusinessValidationFailedException("国际化Json文件目录有误");
            }
        }

        public static async Task BatchAddJsonKeyValueAsync(List<BatchAddInternationalizationDto> batchAddDtos)
        {
            VerifyFolder();

            var usJsonPath = Path.Combine(JsonFileFolder, StaticData.En_US_Json);
            var cnJsonPath = Path.Combine(JsonFileFolder, StaticData.Zh_CN_Json);


            //更新json 文件  同时更新内存缓存的数据
            foreach (var filePath in new string[] { usJsonPath, cnJsonPath })
            {
                var json = await File.ReadAllTextAsync(filePath);

                JObject jsonObject = JObject.Parse(json, new JsonLoadSettings() { CommentHandling = CommentHandling.Load });

                // 添加或更新指定的键值对

                if (filePath.Contains(StaticData.En_US_Json))
                {
                    foreach (var item in batchAddDtos)
                    {
                        jsonObject[item.Code] = item.Value;

                        StaticData.En_US_Dic[item.Code] = item.Value;
                    }                   
                }
                else
                {
                    foreach (var item in batchAddDtos)
                    {
                        jsonObject[item.Code] = item.Value;

                        StaticData.Zh_CN_Dic[item.Code] = item.Value;
                    }                      
                }


                await File.WriteAllTextAsync(filePath, jsonObject.ToString());

            }
        }

        public static async Task AddOrUpdateJsonKeyValueAsync(string key, string value, string valueCN)
        {

            VerifyFolder();

            var usJsonPath = Path.Combine(JsonFileFolder, StaticData.En_US_Json);
            var cnJsonPath = Path.Combine(JsonFileFolder, StaticData.Zh_CN_Json);


            //更新json 文件  同时更新内存缓存的数据
            foreach (var filePath in new string[] { usJsonPath, cnJsonPath })
            {
                var json = await File.ReadAllTextAsync(filePath);

                JObject jsonObject = JObject.Parse(json, new JsonLoadSettings() { CommentHandling = CommentHandling.Load });

                // 添加或更新指定的键值对

                if (filePath.Contains(StaticData.En_US_Json))
                {
                    jsonObject[key] = value;

                    StaticData.En_US_Dic[key] = value;
                }
                else
                {
                    jsonObject[key] = valueCN;

                    StaticData.Zh_CN_Dic[key] = valueCN;
                }


                await File.WriteAllTextAsync(filePath, jsonObject.ToString());

            }

        }

        public static async Task InitInternationlizationDataAndWatchJsonFileAsync(IRepository _repository)
        {
            //查询数据库的数据
            var toJsonList = await _repository.Where<Internationalization>(t => t.InternationalizationType == 1).Select(t => new
            {
                t.Code,
                t.Value,
                t.ValueCN
            }).ToListAsync();

            //组织成json 文件

            var usJsonPath = Path.Combine(JsonFileFolder, StaticData.En_US_Json);
            var cnJsonPath = Path.Combine(JsonFileFolder, StaticData.Zh_CN_Json);


            //本地静态文件国际化需要
            foreach (var tojsonItem in toJsonList)
            {
                StaticData.En_US_Dic[tojsonItem.Code] = tojsonItem.Value;
                StaticData.Zh_CN_Dic[tojsonItem.Code] = tojsonItem.ValueCN;
            }

            File.WriteAllText(usJsonPath, JsonConvert.SerializeObject(StaticData.En_US_Dic));
            File.WriteAllText(cnJsonPath, JsonConvert.SerializeObject(StaticData.Zh_CN_Dic));


            //监测Json文件变更 实时刷新数据

            WatchJsonFile(usJsonPath);
            WatchJsonFile(cnJsonPath);

        }

        public static void WatchJsonFile(string filePath)
        {
            if (!File.Exists(filePath))
            {
                throw new BusinessValidationFailedException("国际化Json文件不存在");
            }

            FileSystemWatcher watcher = new FileSystemWatcher(Path.GetDirectoryName(filePath), Path.GetFileName(filePath));
            watcher.Changed += (sender, e) => LoadJsonFile(filePath);
            watcher.EnableRaisingEvents = true;

        }


        private static void LoadJsonFile(string filePath)
        {

            IConfigurationBuilder builder = new ConfigurationBuilder().AddJsonFile(filePath);

            IConfigurationRoot enConfiguration = builder.Build();

            foreach (IConfigurationSection section in enConfiguration.GetChildren())
            {
                if (filePath.Contains(StaticData.En_US_Json))
                {
                    StaticData.En_US_Dic[section.Key] = section.Value;

                }
                else
                {
                    StaticData.Zh_CN_Dic[section.Key] = section.Value;
                }
            }
        }
    }
}