using CnasSynchronousCommon;
using CnasSynchronusClient;
using CnasSynchrousModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using System.Timers;
using System.Xml.Serialization;

namespace CNAS_SyncService
{
    public class SyncServiceOperation
    {
        System.Timers.Timer timerSync;
        ServiceConfig config = new ServiceConfig();
        bool bRunComplete = true;
        int WaitCount = 0;
        string strNowDate = "";
        FileWatcherOperation fileWatcherOperation;

        public void Start()
        {
            AppLog.ServiceInfo("SyncSerivce:服务启动");

            //读取全局配置信息
            SystemFormatConfig systemFormat = FileOperation.GetSystemFormatConfigData();
            GlobalCommonOperation.strStartGeneralVersion = systemFormat.StartGeneralVersion;
            GlobalCommonOperation.strStartWebApi = systemFormat.StartWebApi;
            GlobalCommonOperation.strWebApiUrl = systemFormat.WebApiUrl;
            GlobalCommonOperation.strTargetDbType = systemFormat.TargetDBType;


            //读取服务配置信息
            config = ReadServiceConfigData();
            AppLog.Error("打印日志1" + config.Minutes);

            timerSync_Elapsed(null,null);
            return;
            if (config.Minutes != 0)
            {
                //启动文件/文件夹监控
                if (config.IfStartFileWatcher == "1")
                {
                    fileWatcherOperation = new FileWatcherOperation(ReadSyncInstruments());
                    fileWatcherOperation.GetFileWatcherItems();
                    fileWatcherOperation.StartFileWatcher();
                }

                //  启动定时器
                timerSync = new System.Timers.Timer();
                timerSync.Interval = config.Minutes * 60 * 1000;  //设置计时器事件间隔执行时间
                timerSync.Elapsed += new System.Timers.ElapsedEventHandler(timerSync_Elapsed);
                timerSync.Enabled = true;
                timerSync.AutoReset = true;
            }
            else
            {
                //写入日志
                AppLog.ServiceInfo("SyncSerivce:未能成功读取定时器时间，本次同步失败。");
            }
        }

        private void timerSync_Elapsed(object sender, ElapsedEventArgs e)
        {
            AppLog.ServiceInfo("定时器启动");
            //如果等待执行次数超出最大数值，则认为当前正在执行出现未知名问题，直接回收当前执行，执行下次
            if (WaitCount >= config.MaxWaitCount)
            { 
                //回收垃圾
                GC.Collect();

                bRunComplete = true;
            }

            if (bRunComplete)
            {
                WaitCount = 0;     //只要正常执行，等待标识都将恢复为0
                bRunComplete = false;

                //清理过期日志
                if (strNowDate != DateTime.Now.ToString("yyyyMMdd"))
                {
                    AppLog.ServiceInfo("清理过期日志");
                    strNowDate = DateTime.Now.ToString("yyyyMMdd");
                    //删除日志文件
                    string logDays = FileOperation.GetSystemFormatConfigData().ShowLogDays;
                    int logday;
                    if (int.TryParse(logDays, out logday))
                        AppLog.DeleteLog(logday);
                }

                //执行同步程序
                //1.读取配置信息
                List<SyncInstrumentItemInfo> lstSyncInstrument = ReadSyncInstruments();
                //2 遍历仪器列表，逐个列表进行同步
                foreach (var instrumentItem in lstSyncInstrument)
                {
                    //如果是文件，使用FileSystemWatcher查看文件是否发生了变化
                    if (fileWatcherOperation != null && fileWatcherOperation.LstWatcherItems.Count > 0)
                    {
                        var watcherItem = fileWatcherOperation.LstWatcherItems.Where(p => p.SyncItemId == instrumentItem.GUID && p.SyncIfChanged == true).FirstOrDefault();
                        if (watcherItem!=null)
                        {
                            RunSyncByInstrument(instrumentItem,watcherItem);
                        }
                        else
                        {
                            AppLog.ServiceInfo("检测到文件/文件夹没有发生变化，跳过本次同步执行");
                        }
                    }
                    else
                    {
                        RunSyncByInstrument(instrumentItem);
                    }
                }
                bRunComplete = true;

                //回收垃圾
                GC.Collect();
            }
            else
            {
                WaitCount++;
                AppLog.ServiceInfo($"等待标识：{WaitCount}");
            }
        }

        private List<SyncInstrumentItemInfo> ReadSyncInstruments()
        {
            List<SyncInstrumentItemInfo> lstSyncInstrument = new List<SyncInstrumentItemInfo>();
            lstSyncInstrument = FileOperation.GetLocalSyncInStrumentData();
            AppLog.ServiceInfo($"读取到本地配置信息行数{lstSyncInstrument.Count}");
            return lstSyncInstrument;
        }

        private void RunSyncByInstrument(SyncInstrumentItemInfo syncInstrumentItem,FileWatcherItem fileWatcherItem=null)
        {
            //0.读取目标库表数据的最大时间  1.读取来源的数据  2.对读取到的数据进行逻辑处理，整理格式  3.执行同步
            AppLog.ServiceInfo("准备根据日期字段查询筛选");
            var query = syncInstrumentItem.LstSyncPramas.Where(s => s.IfDateField == true).ToList<SyncParamasInfo>();
            if (query.Count == 1)
            {
                string strCompareTime = "";
                string strDateTime = CnasDataOperationFact.CnasDataOperation().GetMaxTimeByTableName(syncInstrumentItem.SyncTargetDBInfo, syncInstrumentItem.LstSyncPramas[0].TargetTable, query[0].TargetField, syncInstrumentItem.CnasInstrumentColumn,syncInstrumentItem.GUID);

                //strDateTime = "2016-07-01 00:00:00";
                if (strDateTime == "1899-1-1")
                {
                    AppLog.ServiceInfo($"读取上次最晚执行时间失败,请检查原因。");
                    return;
                }
               else if (strDateTime == "")
                {
                    strCompareTime = Convert.ToDateTime(config.InitalDT.ToString()).ToString("yyyy-MM-dd HH:mm:ss");
                }
                else
                    strCompareTime = Convert.ToDateTime(strDateTime).AddDays(-3).ToString("yyyy-MM-dd HH:mm:ss");
                AppLog.ServiceInfo($"读取上次最晚执行时间为{strCompareTime}");

                object[] obj = new object[]
                    {
                        syncInstrumentItem.LstSyncPramas[0].SourceTable,
                        query[0].SourceField,
                        strCompareTime
                    };
                AppLog.ServiceInfo($"准备构建数据源读取工厂");
                InstrumentData instrumentData = InstrumentDataFact.CreateInstrumentDataSource(syncInstrumentItem.SyncInstrumentDSInfo, obj);
                AppLog.ServiceInfo($"构建数据源读取工厂完成,准备读取数据源");
                DataTable dtReadySource = instrumentData.GetInstrumentDataByDate();
                AppLog.ServiceInfo($"根据日期读取准备插入的来源数据,共{dtReadySource.Rows.Count}条数据");

                string strErrorMsg = "";
                RunUpLoad(syncInstrumentItem, dtReadySource, ref strErrorMsg);
                if (strErrorMsg != "")
                {
                    //写入日志
                    AppLog.ServiceInfo(strErrorMsg);
                }
                else
                {
                    if (fileWatcherItem != null) fileWatcherItem.SyncIfChanged = false;
                }
            }
            else
            {
                AppLog.ServiceInfo("SyncSerivce:未能成功读取日期字段，可能不存在或存在多个日期字段，本次同步失败。");
            }
        }

        private void RunUpLoad(SyncInstrumentItemInfo syncInstrumentItem,DataTable dtReadySource,ref string strMsg)
        {
            //根据映射字段获取准备上传的所有数据
            if (dtReadySource == null || dtReadySource.Rows.Count <= 0) return;
            
            //构建准备插入的数据
            DataTable dtTarget = CnasDataOperationFact.CnasDataOperation().GetCNASTablesStruct(syncInstrumentItem.LstSyncPramas[0].TargetTable, syncInstrumentItem.SyncTargetDBInfo);
            AppLog.ServiceInfo("读取目标数据的数据结构");

            if (dtTarget.Columns.Count <= 0)
            {
                strMsg="未能成功读取CNAS数据库列，请检查数据库配置。";
                return;
            }

            CnasInsertOperation insertOperation = new CnasInsertOperation()
            {
                syncInstrumentItem = syncInstrumentItem
            };
            AppLog.ServiceInfo("遍历所有来源数据，构造准备插入的数据");
            strMsg=insertOperation.CreateInputData(dtReadySource, ref dtTarget);
            if (strMsg != "") return;
            if (dtTarget.Rows.Count <= 0)
            {
                strMsg = "创建准备插入的数据行为空。";
                return;
            }

            AppLog.ServiceInfo("检查准备插入的数据是否合法");
            insertOperation.CheckInsertDataFormat(dtTarget, ref strMsg);
            if (strMsg != "") return;
            
            //逐行执行插入
            List<DataRow> lstError = new List<DataRow>();
            int ErrorCount = 0;
            int SuccessCount = 0;
            int OtherCount = 0;
            AppLog.ServiceInfo($"逐行插入目标数据，最终准备插入(更新)数据行{dtTarget.Rows.Count}");
            foreach (DataRow dr in dtTarget.Rows)
            {

                if (dr[11].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[11]}");
                    dr[11] = kxjsf(dr[11].ToString());

                }
                if (dr[12].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[12]}");
                }
                if (dr[13].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[13]}");
                }
                if (dr[14].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[14]}");
                }
                if (dr[15].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[15]}");
                }
                if (dr[16].ToString().Length > 1)
                {
                    AppLog.Error($"逐行插入目标数据，最终准备插入(更新)数据行{dr[16]}");
                }

                dr.AcceptChanges();
                int iReturn = CnasDataOperationFact.CnasDataOperation().InsertDataToCNASTable(GlobalCommonOperation.ConvertDataRowToTable(dr), syncInstrumentItem.SyncTargetDBInfo, syncInstrumentItem.LstSyncPramas, syncInstrumentItem.CnasInstrumentColumn, syncInstrumentItem.lstFixedValue);
                if (iReturn <= 0)  //此时出现问题
                {
                    if (iReturn == -1)
                    {
                        AppLog.ServiceInfo("数据库连接中断，终止本次上传。");
                        break;   //此时数据库连接中断，直接跳出循环，结束本次数据同步传输
                    }
                    else if (iReturn == -2)  //等于-2表示插入准备更新时发现数据一致，不再执行
                    {
                        OtherCount++;
                    }
                    else
                    {
                        ErrorCount++;
                        //lstError.Add(GlobalCommonOperation.ConvertDataRowToTable(dr).Rows[0]);
                    }
                }
                else
                {
                    SuccessCount++;
                    AppLog.Info("成功插入（更新）1条数据。");
                }
            }

            AppLog.ServiceInfo($"上传操作完成！其中成功{SuccessCount}条，失败{ErrorCount}条，其他{OtherCount}条。............................................................................................................");
        }

        private string kxjsf(string sss)
        {
            double sd = Convert.ToDouble(sss);

            //double sd = 123.123456;
            string temps2 = "0";
            string temps3 = "0";
            string temps4 = "0";

            int tempi2 = 0;
            int tempi3 = 0;
            int tempi4 = 0;
            if (sss.Contains('.'))
            {
                string[] s1 = sss.Split('.');

                if (s1[1].Length > 2)
                {

                    if (s1[1].Length > 2)
                    {
                        temps2 = s1[1].Substring(1, 1);
                        temps3 = s1[1].Substring(2, 1);
                    }
                    tempi2 = int.Parse(temps2);
                    tempi3 = int.Parse(temps3);

                    if (s1[1].Length > 3)
                    {
                        temps4 = s1[1].Substring(3, 1);
                    }
                    tempi4 = int.Parse(temps4);

                    if (tempi3 > 5 || tempi3 < 5)
                    {
                        return sd.ToString("0.00");
                    }
                    else
                    {
                        if (tempi4 != 0)
                        {
                            return sd.ToString("0.00");
                        }
                        else
                        {
                            if (tempi2 == 0 || tempi2 == 2 || tempi2 == 4 || tempi2 == 6 || tempi2 == 8)
                            {
                                return sss.Substring(0, 5);
                            }
                            else
                            {
                                return sd.ToString("0.00");
                            }
                        }
                    }
                }
            }
            return sss;

        }


        private ServiceConfig ReadServiceConfigData()
        {
            ServiceConfig config = new ServiceConfig();
            try
            {
                //读取本地文件中存储的配置信息
                XmlSerializer serializer = new XmlSerializer(config.GetType());
                FileStream stream = new FileStream(FileHelper.getBasePath() + "/DataConfig/SyncServiceData.xml", FileMode.Open);
                config = (ServiceConfig)serializer.Deserialize(stream);
                stream.Close();
            }
            catch (Exception ex)
            {
                AppLog.ServiceInfo(ex.Message);
            }
            return config;
        }
    }
}