using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;
using ConsoleDataSync;
using System.Data.SqlClient;
using System.Configuration;
using Newtonsoft.Json;

namespace WindowsService
{
    public partial class Service1 : ServiceBase
    {
        public Service1()
        {
            InitializeComponent();
        }

        protected override void OnStart(string[] args)
        {
            EventLog.WriteEntry("");
            WriteLog("用户表同步服务启动");
            System.Timers.Timer t = new System.Timers.Timer();
            t.Interval = 1000;
            t.Elapsed += new System.Timers.ElapsedEventHandler(ChkSrc);//到达时间执行该时间
            t.AutoReset = true;//true为一直执行服务
            t.Enabled = true;//是否设置执行System.Timers.Timer.Enabled事件
        }

        private void ChkSrc(object sender, System.Timers.ElapsedEventArgs e)
        {
            int Hour = e.SignalTime.Hour;
            int Min = e.SignalTime.Minute;
            int Second = e.SignalTime.Second;
            if (Hour == 24 && Min == 00 && Second == 00)
            {
                try
                {
                    System.Timers.Timer tt = (System.Timers.Timer)sender;
                    tt.Enabled = false;
                    SendMessge();
                    tt.Enabled = true;
                }
                catch (Exception err)
                {
                    WriteLog(err.Message);
                }
            }
        }
        /// <summary>
        /// 开启服务
        /// </summary>
        private void SendMessge()
        {
            WriteLog("同步服务开启");
            string str = TableServer();
            WriteLog(str);
        }

        /// <summary>
        /// 记录日志
        /// </summary>
        /// <param name="str">时间</param>+
        private void WriteLog(string str)
        {
            StreamWriter dout = new StreamWriter(@"c:/" + "server_userLog.txt", true);
            dout.WriteLine("操作事件：" + str);
            dout.WriteLine("操作时间：" + System.DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
            dout.WriteLine("----------------------------------------");
            dout.Close();  
        }


        /// <summary>
        /// 服务停止
        /// </summary>
        protected override void OnStop()
        {
            WriteLog("服务停止");
            EventLog.WriteEntry("服务停止");
        }

        public string TableServer()
        {
            string sendTableName = "SMSHasSend_" + DateTime.Now.ToString("yyyyMM");
            string recvTableName = "SMSHasReceived_" + DateTime.Now.ToString("yyyyMM");

            DataProvider.E(cmd =>
            {
                cmd.CommandText = "IF OBJECT_ID(N'" + sendTableName + "',N'U') IS NULL SELECT * INTO " + sendTableName + " FROM SMSHasSend " + "ELSE DELETE FROM " + sendTableName;
                cmd.ExecuteNonQuery();
            });

            DataProvider.E(cmd =>
            {
                cmd.CommandText = "IF OBJECT_ID(N'" + recvTableName + "',N'U') IS NULL SELECT * INTO " + recvTableName + " FROM SMSHasReceived " + "ELSE DELETE FROM " + recvTableName;
                cmd.ExecuteNonQuery();
            });

            DataProvider.E(cmd =>
            {
                cmd.CommandText = "DELETE FROM USERS";
                cmd.ExecuteNonQuery();
            });
            WriteLog("创建表完成");
            string[] sources = JsonConvert.DeserializeObject<string[]>(ConfigurationManager.AppSettings["user-sources"]);
            foreach (string s in sources)
            {


                using (var connection = new SqlConnection(ConfigurationManager.ConnectionStrings[s].ConnectionString))
                {
                    try
                    {
                        connection.Open();
                        DataSet ds = new DataSet();
                        SqlDataAdapter command = new SqlDataAdapter("SELECT * FROM USERS", connection);
                        command.Fill(ds, "Users");
                        DataProvider.Insert("Users", ds.Tables[0], ds.Tables[0].Rows.Count);
                    }
                    catch (SqlException ex)
                    {
                        return ex.Message;
                    }

                }
            }
            sources = JsonConvert.DeserializeObject<string[]>(ConfigurationManager.AppSettings["sms-sources"]);
            foreach (string s in sources)
            {



                using (var connection = new SqlConnection(ConfigurationManager.ConnectionStrings[s].ConnectionString))
                {
                    try
                    {
                        connection.Open();
                        SqlDataAdapter command;

                        DataSet sendMsgs = new DataSet();
                        command = new SqlDataAdapter("IF OBJECT_ID(N'" + sendTableName + "', N'U') IS NOT NULL SELECT * FROM " + sendTableName, connection);
                        command.Fill(sendMsgs, sendTableName);
                        if (sendMsgs.Tables.Count > 0)
                            DataProvider.Insert(sendTableName, sendMsgs.Tables[0], sendMsgs.Tables[0].Rows.Count);
                        DataSet recvMsgs = new DataSet();
                        command = new SqlDataAdapter("IF OBJECT_ID(N'" + recvTableName + "', N'U') IS NOT NULL SELECT * FROM " + recvTableName, connection);
                        command.Fill(recvMsgs, recvTableName);
                        if (recvMsgs.Tables.Count > 0)
                        DataProvider.Insert(recvTableName, recvMsgs.Tables[0], recvMsgs.Tables[0].Rows.Count);
                    }
                    catch (SqlException ex)
                    {
                        return ex.Message;
                    }

                }
            }
            return "数据同步成功";
        }
    }
}