using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Configuration;
using System.Data.Common;
using System.Collections;
using Wellan.Data;
using Wellan.Common;
using System.ComponentModel;

/// <summary>
/// 人員班表的資料處理類別
/// </summary>
[DataObject]
public class RtmeDAC : WDAC
{
    public RtmeDAC()
    {
    }

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

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

    [DataObjectMethod(DataObjectMethodType.Select)]
    public List<RtmeItem> SelectDay(string RTENO, DateTime? RTDAT)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText = "SELECT * FROM RTME WHERE 1=1";

        if (!string.IsNullOrEmpty(RTENO))
            cmd.CommandText += " AND RTENO = @RTENO ";
        if (RTDAT.HasValue)
            cmd.CommandText += " AND RTDAT = @RTDAT ";

        AddParam(cmd, "RTENO", RTENO);
        AddParam(cmd, "RTDAT", RTDAT);
        return Query.Select<RtmeItem>(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Select)]
    public List<RtmeItem> SelectMonth(string RTENO, DateTime? RTDAT)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText = "SELECT * FROM RTME WHERE 1=1";

        // if (!string.IsNullOrEmpty(RTENO))
        cmd.CommandText += " AND RTENO = @RTENO ";
        
        if (RTDAT.HasValue)
        {
            cmd.CommandText += " AND RTDAT >= @RTDAT_1 AND RTDAT < @RTDAT_2 ";
            var d = RTDAT.Value.AddDays(-(RTDAT.Value.Day - 1));
            AddParam(cmd, "RTDAT_1", d);
            AddParam(cmd, "RTDAT_2", d.AddMonths(1));
        }

        AddParam(cmd, "RTENO", RTENO);
        return Query.Select<RtmeItem>(cmd);
    }

    public void SetDay(string RTENO, DateTime RTDAT, string RTTID, string TRUSR)
    {
        var item = SelectDay(RTENO, RTDAT).FirstOrDefault();
        if (item == null)
        {
            InsertOne(new RtmeItem()
            {
                RTENO = RTENO,
                RTDAT = RTDAT,
                RTTID = RTTID,
                TRUSR = TRUSR
            });
        }
        else
        {
            item.RTTID = RTTID;
            UpdateOne(item);
        }
    }

    [DataObjectMethod(DataObjectMethodType.Insert)]
    public void InsertOne(RtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText =
            @"INSERT INTO dbo.RTME
                (RTENO, RTDAT, RTTID, TRDAT, TRMOD, TRUSR) 
              VALUES 
                (@RTENO, @RTDAT, @RTTID, GETDATE(), 'INSERT', @TRUSR)";
        AddParam(cmd, "RTENO", value.RTENO);
        AddParam(cmd, "RTDAT", value.RTDAT);
        AddParam(cmd, "RTTID", value.RTTID);
        AddParam(cmd, "TRUSR", value.TRUSR);
        Query.ExecuteNonQuery(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Update)]
    public void UpdateOne(RtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText =
            @"UPDATE dbo.RTME SET 
                RTTID = @RTTID, 
                TRDAT = GETDATE(), 
                TRMOD = 'MODIFY', 
                TRUSR = @TRUSR
            WHERE RTENO   = @OLD_RTENO
                AND RTDAT = @OLD_RTDAT";
        AddParam(cmd, "RTTID", value.RTTID);
        AddParam(cmd, "TRUSR", value.TRUSR);
        AddParam(cmd, "OLD_RTENO", value.RTENO);
        AddParam(cmd, "OLD_RTDAT", value.RTDAT);
        Query.ExecuteNonQuery(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Delete)]
    public void DeleteOne(RtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText =
            @"DELETE FROM dbo.RTME
             WHERE RTENO  = @OLD_RTENO
                AND RTDAT = @OLD_RTDAT";
        AddParam(cmd, "OLD_RTENO", value.RTENO);
        AddParam(cmd, "OLD_RTDAT", value.RTDAT);
        Query.ExecuteNonQuery(cmd);
    }

    /// <summary>
    /// 由員工與日期取班表資料
    /// </summary>
    /// <param name="RTENO"></param>
    /// <param name="RTDAT"></param>
    /// <returns></returns>
    public BtmeItem SelectBtmeDay(string RTENO, DateTime RTDAT)
    {
        var rtmeItem = SelectDay(RTENO, RTDAT).FirstOrDefault();
        if (rtmeItem != null && !string.IsNullOrEmpty(rtmeItem.RTTID.Trim()) && !BhrdDAC.ItemIsHoliday(rtmeItem.RTTID))
        {
            return new BtmeDAC(Query).SelectOne(rtmeItem.RTTID).FirstOrDefault();
        }
        else
            return null;
    }
}

public class RtmeItem
{
    public string RTENO { get; set; }
    public DateTime RTDAT { get; set; }
    public string RTTID { get; set; }
    public DateTime TRDAT { get; set; }
    public string TRMOD { get; set; }
    public string TRUSR { get; set; }
}