using solarApp.Service;
using System.Configuration;
using System.Xml.Linq;
using System.Runtime.InteropServices;

namespace winService
{
    public class Worker : BackgroundService
    {
        public enum ServiceState
        {
            SERVICE_STOPPED = 0x00000001,
            SERVICE_START_PENDING = 0x00000002,
            SERVICE_STOP_PENDING = 0x00000003,
            SERVICE_RUNNING = 0x00000004,
            SERVICE_CONTINUE_PENDING = 0x00000005,
            SERVICE_PAUSE_PENDING = 0x00000006,
            SERVICE_PAUSED = 0x00000007,
        }

        [StructLayout(LayoutKind.Sequential)]
        public struct ServiceStatus
        {
            public int dwServiceType;
            public ServiceState dwCurrentState;
            public int dwControlsAccepted;
            public int dwWin32ExitCode;
            public int dwServiceSpecificExitCode;
            public int dwCheckPoint;
            public int dwWaitHint;
        };
        private readonly ILogger<Worker> _logger;
        XDocument xdoc;
        public XDocument Xdoc { get => xdoc; set => xdoc = value; }
        
        getStationSvc stationSvc;
        System.Timers.Timer _timer;
        bool autoTask = false; //測試自動跑 irrDayHour 累計日照小時差異
        procSyncError svc;
        DateTime doTimerTaskTime = DateTime.Now;
        TimeSpan doTaskDuratin;

      

        public Worker(ILogger<Worker> logger)
        {
            _logger = logger;
             xdoc = XDocument.Load("../solarApp/App.config");
            string conStr = Xdoc.Element("configuration").Element("connectionStrings").Element("add").Attribute("connectionString").Value;
             stationSvc = new getStationSvc(conStr);
             svc = new procSyncError(conStr); //  常資料同步
        }

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
                await Task.Delay(60000, stoppingToken); //每分鐘
                if (DateTime.Now.Hour >= 2 && DateTime.Now.Minute == 0)
                {
                    doTimerTaskTime = DateTime.Now;
                    autoTask = false;
                }

                // 凌晨 2點後，如果間隔30分鐘 沒有跑異常同步 就啟動啟動
                doTaskDuratin = DateTime.Now - doTimerTaskTime;  // 
                if (DateTime.Now.Hour >= 2 && doTaskDuratin.TotalMinutes > 15 && (autoTask == true))
                {
                    doTimerTaskTime = DateTime.Now;
                    autoTask = false;
                }
                //每日歸檔
                if (DateTime.Now.Hour == 00 && DateTime.Now.Minute == 15)
                {
                    //MessageBox.Show("ok");
                    autoTask = true;
                    //lbMsgTitle.Text = DateTime.Now.ToString() + " timer start";
                    //dtSelect1.Value = System.DateTime.Now.AddDays(-1);
                    //dtSelect2.Value = System.DateTime.Now.AddDays(-1);
                    archiveAllStation();
                    autoTask = false;

                }

                //異常處理 每 5分鐘跑一次
                if ((DateTime.Now.Minute % 5) == 0 && (DateTime.Now.Second) < 30 && (autoTask == false))
                {
                    doTimerTaskTime = DateTime.Now;
                    autoTask = true;
                    svc.syncErrData();
                    //lbMsgTitle.Text = "異常處理 " + DateTime.Now.ToString() + " timer start";
                    //btSyncErr.PerformClick();
                    //lbMsgTitle.Text = "異常處理 done" + DateTime.Now.ToString();
                    autoTask = false;
                    //bt_archive_Click.PerformClick(); 
                }
            }
        }

        void archiveAllStation() {
            var site_list = stationSvc.get_station_list();
            procSensorSvc sensorSvc = new procSensorSvc();
            procInvSvc invSvc = new procInvSvc();
            procStationSvc siteSvc = new procStationSvc();
            string date1 = System.DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd");
            string date2 = System.DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd");

            foreach (var item in site_list)
            { 
                foreach (DateTime day in EachDay(DateTime.Parse(date1), DateTime.Parse(date2)))
                {
                    sensorSvc.archiveData(item.SiteID.Substring(0, 9), day.ToString("yyyy-MM-dd"));
                    invSvc.archiveData(item.SiteID.Substring(0, 9), day.ToString("yyyy-MM-dd"));
                    siteSvc.archiveData(item.SiteID.Substring(0, 9), day.ToString("yyyy-MM-dd"));
                }
            }
            sensorSvc.isFirst = true;
            foreach (var item in site_list)
            {
                //for sensor_history_hour
                foreach (DateTime day in EachDay(DateTime.Parse(date1), DateTime.Parse(date2)))
                {
                    sensorSvc.archiveSensorHistoryHourData(item.SiteID.Substring(0, 9), day.ToString("yyyy-MM-dd"));
                    sensorSvc.isFirst = false;
                    invSvc.report_invDay(item.SiteID.Substring(0, 9), day.ToString("yyyy-MM-dd"));
                }
            }
        }

        public IEnumerable<DateTime> EachDay(DateTime from, DateTime thru)
        {
            for (var day = from.Date; day.Date <= thru.Date; day = day.AddDays(1))
                yield return day;
        }
    }
}