using NPOI.SS.Formula.Functions;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.Common;
using Wellan.Common;
using Wellan.Data;

/// <summary>
/// 打卡資料檔
/// </summary>
public class RcrdDAC : Wellan.Data.WDAC
{
    public const string T01_上班 = "01";
    public const string T02_下班 = "02";
    public const string T03_中午休息 = "03";
    public const string T04_下午上班 = "04";
    public const string T05_加班上班 = "05";
    public const string T06_加班下班 = "06";
    public const string T07_出差離開 = "07";
    public const string T08_出差返回 = "08";


    public RcrdDAC()
    {
    }

    public RcrdDAC(string connectionConfig, string connectionConfigName)
      : this()
    {
        this._connectionConfig = connectionConfig;
        this._connectionConfigName = connectionConfigName;
    }

    public RcrdDAC(WQuery query)
    {
        this._query = query;
    }

    /// <summary>
    /// 讀取今天某人員的打卡資料
    /// </summary>
    /// <param name="rcusr">人員編號</param>
    public DataTable ReadToday(string rcusr, DateTime date)
    {
        return ReadByDate(rcusr, date);
    }

    /// <summary>
    /// 讀取某天某人員的打卡資料
    /// </summary>
    /// <param name="rcusr">人員編號</param>
    public DataTable ReadByDate(string rcusr, DateTime date)
    {
        DbCommand cmd = Query.NewCommand();
        cmd.CommandText =
          @"SELECT RCDAT, RCUSR, RCC01, RCC02, RCC03, RCC04, RCC05, RCC06, RCC07, RCC08, 
        RCP01, RCP02, RCP03, RCP04, RCP05, RCP06, RCP07, RCP08 
        FROM RCRD WHERE RCDAT = @RCDAT AND RCUSR = @RCUSR ";
        Query.AddParam(cmd, "RCDAT", date);
        Query.AddParam(cmd, "RCUSR", rcusr);
        return Query.Select(cmd);
    }

    /// <summary>
    /// 讀取日期區間某人員的打卡資料
    /// </summary>
    /// <param name="rcusr">人員編號</param>
    public DataTable SelectPeriod(string rcusr, DateTime rcdat1, DateTime rcdat2)
    {
        DbCommand cmd = Query.NewCommand();
        cmd.CommandText =
          @"SELECT RCDAT, RCUSR, RCC01, RCC02, RCC03, RCC04, RCC05, RCC06, RCC07, RCC08, 
        RCP01, RCP02, RCP03, RCP04, RCP05, RCP06, RCP07, RCP08 
        FROM RCRD WHERE RCUSR = @RCUSR AND RCDAT >= @RCDAT1 AND RCDAT < @RCDAT2";
        Query.AddParam(cmd, "RCUSR", rcusr);
        Query.AddParam(cmd, "RCDAT1", rcdat1.Date);
        Query.AddParam(cmd, "RCDAT2", rcdat2.Date.AddDays(1));
        return Query.Select(cmd);
    }

    /// <summary>
    /// 檢查某一天某人員是否有打卡資料
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <returns></returns>
    public bool CheckExists(DateTime rcdat, string rcusr)
    {
        DbCommand cmd = Query.NewCommand();
        cmd.CommandText = "SELECT COUNT(1) FROM RCRD WHERE RCDAT = @RCDAT AND RCUSR = @RCUSR ";
        Query.AddParam(cmd, "RCDAT", rcdat.Date);
        Query.AddParam(cmd, "RCUSR", rcusr);
        int c = WQuery.GetInt32Value(Query.ExecuteScalar(cmd));
        return c > 0;
    }

    /// <summary>
    /// 打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="time">時間</param>
    /// <param name="fieldName">打卡欄位</param>
    /// <param name="補打">是否為補打卡</param>
    private void Punch(DateAndTime rcdat, string rcusr, string ip, string fieldName, bool 補打)
    {
        DbCommand cmd = Query.NewCommand();

        var d = ReadByDate(rcusr, rcdat.CardDate);

        if (d.Rows.Count == 0)
        {
            cmd.CommandText =
              String.Format(@"INSERT INTO RCRD 
                    (TRDAT, TRMOD, TRUSR, RCDAT, RCUSR, RCC{0}, RCP{0}, RCZ{0}) 
                  VALUES 
                    (GETDATE(), 'INSERT', @TRUSR, @RCDAT, @RCUSR, @TIME, @IP, @TIMEZONE)", fieldName);
            cmd.Parameters.Clear();
            Query.AddParam(cmd, "TRUSR", rcusr);
            Query.AddParam(cmd, "RCDAT", rcdat.CardDate);
            Query.AddParam(cmd, "RCUSR", rcusr);
            Query.AddParam(cmd, "TIME", rcdat.LocalTime);
            Query.AddParam(cmd, "IP", ip);
            Query.AddParam(cmd, "TIMEZONE", rcdat.TimezoneName);
            Query.ExecuteNonQuery(cmd);
        }
        else
        {
            if (String.IsNullOrEmpty(WDAC.GetStringValue(d.Rows[0]["RCC" + fieldName])))
            {
                cmd.CommandText =
                  String.Format(@"UPDATE RCRD 
                  SET TRDAT = GETDATE() , 
                      TRMOD = 'UPDATE'  , 
                      TRUSR = @TRUSR    , 
                      RCC{0} = @TIME    ,
                      RCP{0} = @IP      ,
                      RCZ{0} = @TIMEZONE
                  WHERE RCDAT = @RCDAT
                    AND RCUSR = @RCUSR", fieldName);
                cmd.Parameters.Clear();
                Query.AddParam(cmd, "TRUSR", rcusr);
                Query.AddParam(cmd, "TIME", rcdat.LocalTime);
                Query.AddParam(cmd, "IP", ip);
                Query.AddParam(cmd, "TIMEZONE", rcdat.TimezoneName);
                Query.AddParam(cmd, "RCDAT", rcdat.CardDate);
                Query.AddParam(cmd, "RCUSR", rcusr);
                Query.ExecuteNonQuery(cmd);
            }
        }
    }

    /// <summary>
    /// 清除打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="fieldName">打卡欄位</param>
    private void Clear(DateTime rcdat, string rcusr, string fieldName)
    {
        DbCommand cmd = Query.NewCommand();

        cmd.CommandText =
          String.Format(@"UPDATE RCRD 
        SET TRDAT = GETDATE() , 
            TRMOD = 'UPDATE'  , 
            TRUSR = @TRUSR    , 
            RCC{0} = NULL     ,
            RCP{0} = NULL
        WHERE RCDAT = @RCDAT
          AND RCUSR = @RCUSR", fieldName);
        cmd.Parameters.Clear();
        Query.AddParam(cmd, "TRUSR", rcusr);
        Query.AddParam(cmd, "RCDAT", rcdat);
        Query.AddParam(cmd, "RCUSR", rcusr);
        Query.ExecuteNonQuery(cmd);
    }

    /// <summary>
    /// 打上班卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="time">時間</param>
    /// <param name="補打"></param>
    public void PunchRCC01(DateAndTime rcdat, string rcusr, string ip, bool 補打)
    {
        Punch(rcdat, rcusr, ip, T01_上班, 補打);
    }

    /// <summary>
    /// 清除上班卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    public void ClearRCC01(DateTime rcdat, string rcusr)
    {
        Clear(rcdat, rcusr, T01_上班);
    }

    /// <summary>
    /// 打下班卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="time">時間</param>
    public void PunchRCC02(DateAndTime rcdat, string rcusr, string ip, bool 補打)
    {
        Punch(rcdat, rcusr, ip, T02_下班, 補打);
    }

    /// <summary>
    /// 清除下班卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    public void ClearRCC02(DateTime rcdat, string rcusr)
    {
        Clear(rcdat, rcusr, T02_下班);
    }

    /// <summary>
    /// 打出差外出打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="time">時間</param>
    public void PunchRCC07(DateAndTime rcdat, string rcusr, string ip, bool 補打)
    {
        Punch(rcdat, rcusr, ip, T07_出差離開, 補打);
    }

    /// <summary>
    /// 清除出差外出打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    public void ClearRCC07(DateTime rcdat, string rcusr)
    {
        Clear(rcdat, rcusr, T07_出差離開);
    }

    /// <summary>
    /// 打出差返回打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    /// <param name="time">時間</param>
    public void PunchRCC08(DateAndTime rcdat, string rcusr, string ip, bool 補打)
    {
        Punch(rcdat, rcusr, ip, T08_出差返回, 補打);
    }

    /// <summary>
    /// 清除出差返回打卡
    /// </summary>
    /// <param name="rcdat">日期</param>
    /// <param name="rcusr">人員編號</param>
    public void ClearRCC08(DateTime rcdat, string rcusr)
    {
        Clear(rcdat, rcusr, T08_出差返回);
    }

    /// <summary>
    /// 取得某員工某日期往前6天之內的打卡天數
    /// </summary>
    /// <param name="rcdat"></param>
    /// <param name="rcusr"></param>
    /// <returns></returns>
    public int PunchDaysIn7Days(DateTime rcdat, string rcusr, bool includeLastDay)
    {
        DbCommand cmd = Query.NewCommand();
        cmd.CommandText = string.Format(@"SELECT COUNT(1) FROM RCRD 
            WHERE RCUSR = @RCUSR 
	            AND RCDAT >= @RCDAT1
	            AND RCDAT {0} @RCDAT2
	            AND (RCC01 IS NOT NULL AND RCC01 <> '' 
                  OR RCC02 IS NOT NULL AND RCC02 <> ''
                  OR RCC07 IS NOT NULL AND RCC07 <> ''
                  OR RCC08 IS NOT NULL AND RCC08 <> '')", (includeLastDay ? "<=": "<"));
        Query.AddParam(cmd, "RCUSR", rcusr);
        Query.AddParam(cmd, "RCDAT1", rcdat.Date.AddDays(-6));
        Query.AddParam(cmd, "RCDAT2", rcdat.Date);
        int c = WQuery.GetInt32Value(Query.ExecuteScalar(cmd));
        return c;
    }
}