using Easy.CodeGenerator.Common.FileHelper;
using Easy.CodeGenerator.Model;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Easy.CodeGenerator.Service.Impl
{
 public class ServerConfigService : IServerConfigService
 {
 private readonly IFileHelper _fileHelper;
 private readonly IConfiguration _configuration;
 private readonly string _serverConfigFilePath;

 public ServerConfigService(IFileHelper fileHelper, IConfiguration configuration)
 {
 this._fileHelper = fileHelper;
 this._configuration = configuration;
 var foderPath = Path.Combine(Directory.GetCurrentDirectory(), configuration["AppSettings:ServerConfigFilePath"]);
 if (!Directory.Exists(foderPath))
 {
 Directory.CreateDirectory(foderPath);
 }
 _serverConfigFilePath = Path.Combine(foderPath, configuration["AppSettings:ServerConfigFileName"]);
 }
 public void AddOrUpdateServerConfig(ServerConfig serverConfig)
 {
 var list = GetServerConfigs();
 if (list == null)
 {
 list = new List<ServerConfig> { serverConfig };
 }
 else
 {
 var oldConfig = list.FirstOrDefault(c => c.ServerName == serverConfig.ServerName);
 if (oldConfig != null)
 {
 list.Remove(oldConfig);
 }
 list.Add(serverConfig);
 }
 _fileHelper.SaveFile(_serverConfigFilePath, JsonConvert.SerializeObject(list));
 }

 public List<ServerConfig> GetServerConfigs()
 {
 try
 {
 var content = _fileHelper.GetContent(_serverConfigFilePath);
 return JsonConvert.DeserializeObject<List<ServerConfig>>(content);
 }
 catch (FileNotFoundException)
 {
 return null;
 }
 }
 }
}