using Api.Framework;
using Api.Framework.SDK;
using Api.Framework.Tools;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace DataDocking
{
    internal class AutoBakThread : TimerTask
    {
        public override void Run(object state, bool timedOut)
        {
            try
            {
                #region 定时备份sqlite数据库的数据
                if (Class1.Config.Auto_Bak_OnOff)
                {
                    if (ApiClient.GetSession().CurrentConnectionConfig.DbType == SqlSugar.DbType.MySql) return;
                    if (string.IsNullOrWhiteSpace(Class1.Config.Auto_Bak_Path))
                    {
                        Class1.Config.Auto_Bak_Path = Util.MapPath($"File\\备份");
                        Util.Save(Class1.Config);
                    }
                    if (!string.IsNullOrWhiteSpace(Class1.Config.Auto_Bak_Path) && Directory.Exists(Class1.Config.Auto_Bak_Path))
                    {
                        try
                        {
                            var now = DateTime.Now;
                            if (Class1.Config.Lately_Bak_Time.Date <= now.Date)
                            {
                                if (DateTime.Now.AddSeconds(-3).ToString("HHmm") == Class1.Config.Auto_Bak_Time.ToString("HHmm"))
                                {
                                    Class1.Config.Lately_Bak_Time = Class1.Config.Lately_Bak_Time.Date.AddDays(Class1.Config.Auto_Bak_Day);
                                    Api.Framework.Tools.Util.Save(Class1.Config);

                                    #region 删除很久以前的备份
                                    DirectoryInfo root = new DirectoryInfo(Class1.Config.Auto_Bak_Path.Trim());
                                    List<FileInfo> files = root.GetFiles().ToList().Where(f => f.Name.StartsWith("数据库")).OrderBy(f => f.CreationTime).ToList();
                                    if (files.Count >= 7)
                                    {
                                        int removeNum = files.Count - 7;
                                        for (int i = 0; i < removeNum; i++)
                                        {
                                            try
                                            {
                                                File.Delete(files[i].FullName);
                                            }
                                            catch (Exception)
                                            { }
                                        }
                                    }
                                    #endregion

                                    var path = Path.Combine(new string[] { Class1.Config.Auto_Bak_Path.Trim(), "数据库" + DateTime.Now.ToString("yyyyMMddHHmmssfff") });
                                    File.Copy(Util.MapFile("数据库.db", "Config"), path);
                                    if (File.Exists(path))
                                    {
                                        if (Class1.Config.Is_Bak_Send_Email)
                                        {
                                            Zip.Process(new string[] { path });

                                            var zipPath = path + ".zip";
                                            if (File.Exists(zipPath))
                                                ApiClient.SendAdminEmail(ApiClient.Setting.SystemConfig.account_admin_email, $"数据库备份{DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")}", "数据库备份", zipPath, true);
                                        }
                                        EventClient.OnEvent(this, "定时备份成功 " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:dd"));
                                    }
                                    else
                                        EventClient.OnEvent(this, "定时备份失败 " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:dd"));
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            EventClient.OnEvent(this, "定时备份异常" + ex.Message + "-" + ex.StackTrace);
                        }
                    }
                }
                #endregion
            }
            catch (System.Exception ex)
            {
                EventClient.OnEvent(this, ex.Message + " - " + ex.StackTrace);
            }
        }
    }
}