using System;
using System.Data;
using System.Configuration;
using System.Data.Common;
using System.Collections;
using System.Collections.Generic;
using Wellan.Data;
using Wellan.Common;
using System.Transactions;
using System.ComponentModel;

/// <summary>
/// 簽核關卡人員檔
/// </summary>
[DataObject]
public class BsgpDAC : Wellan.Data.WDAC
{
  private string _select =
    @" SELECT BSPYN, BSFLW, BSLVL, BSENO, TRDAT, TRMOD, TRUSR, 
       CASE WHEN SUBSTRING(BSENO, 1, 1) = 'Z' 
            THEN (SELECT TOP 1 BPNME FROM BPAP WHERE BPENO=BSENO) 
            ELSE (SELECT TOP 1 BPNME FROM BPSNView WHERE BPENO=BSENO) END AS BSNME,
       CASE WHEN SUBSTRING(BSENO, 1, 1) = 'Z' 
            THEN (SELECT TOP 1 BPEML FROM BPAP WHERE BPENO=BSENO) 
            ELSE (SELECT TOP 1 BPEML FROM BPSNView WHERE BPENO=BSENO) END AS BSEML
       FROM BSGP ";
  private string _insert =
    @"INSERT INTO dbo.BSGP
        (BSPYN, BSFLW, BSLVL, BSENO, TRDAT, TRMOD, TRUSR) 
      VALUES 
        (@BSPYN, @BSFLW, @BSLVL, @BSENO, GETDATE(), 'INSERT', @TRUSR)";
  private string _update =
    @"UPDATE BSGP SET 
        BSPYN = @BSPYN, 
        BSFLW = @BSFLW, 
        BSLVL = @BSLVL, 
        BSENO = @BSENO, 
        TRDAT = GETDATE(), 
        TRMOD = 'UPDATE', 
        TRUSR = @TRUSR
      WHERE BSPYN = @OLD_BSPYN
        AND BSFLW = @OLD_BSFLW
        AND BSLVL = @OLD_BSLVL
        AND BSENO = @OLD_BSENO";
  private string _delete =
    @"DELETE FROM BSGP
      WHERE BSPYN = @OLD_BSPYN
        AND BSFLW = @OLD_BSFLW
        AND BSLVL = @OLD_BSLVL
        AND BSENO = @OLD_BSENO";

  public BsgpDAC()
  {
  }

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

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

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable SelectAll()
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _select + " ORDER BY BSPYN, BSFLW, BSLVL, BSENO ";
    return Query.Select(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable SelectOne(string BSPYN, string BSFLW, int BSLVL, string BSENO)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _select + " WHERE BSPYN = @BSPYN AND BSFLW = @BSFLW AND BSLVL = @BSLVL AND BSENO = @BSENO ";
    AddParam(cmd, "BSPYN", BSPYN);
    AddParam(cmd, "BSFLW", BSFLW);
    AddParam(cmd, "BSLVL", BSLVL);
    AddParam(cmd, "BSENO", BSENO);
    return Query.Select(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable SelectByLevel(string BSPYN, string BSFLW, int BSLVL)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _select + " WHERE BSPYN = @BSPYN AND BSFLW = @BSFLW AND BSLVL = @BSLVL ORDER BY BSENO ";
    AddParam(cmd, "BSPYN", BSPYN);
    AddParam(cmd, "BSFLW", BSFLW);
    AddParam(cmd, "BSLVL", BSLVL);
    return Query.Select(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable SelectForDropdown(string BSPYN, string BSFLW, int BSLVL)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _select + " WHERE BSPYN = @BSPYN AND BSFLW = @BSFLW AND BSLVL = @BSLVL ORDER BY BSENO ";
      //@"SELECT NULL AS BSPYN, NULL AS BSFLW, NULL AS BSLVL, NULL AS BSENO, NULL AS TRDAT, 
      //         NULL AS TRMOD, NULL AS TRUSR, NULL AS BSNME
      //  UNION ALL " 
      // + _select + " WHERE BSPYN = @BSPYN AND BSFLW = @BSFLW AND BSLVL = @BSLVL ORDER BY BSENO ";
    AddParam(cmd, "BSPYN", BSPYN);
    AddParam(cmd, "BSFLW", BSFLW);
    AddParam(cmd, "BSLVL", BSLVL);
    return Query.Select(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Insert)]
  public void InsertOne(string BSPYN, string BSFLW, int BSLVL, string BSENO, string TRUSR)
  {
    if (SelectOne(BSPYN, BSFLW, BSLVL, BSENO).Rows.Count > 0)
      return;

    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _insert;
    AddParam(cmd, "BSPYN", BSPYN);
    AddParam(cmd, "BSFLW", BSFLW);
    AddParam(cmd, "BSLVL", BSLVL);
    AddParam(cmd, "BSENO", BSENO);
    AddParam(cmd, "TRUSR", TRUSR);
    Query.ExecuteNonQuery(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Update)]
  public void UpdateOne(string OLD_BSPYN, string OLD_BSFLW, int OLD_BSLVL, string OLD_BSENO, 
    string BSPYN, string BSFLW, int BSLVL, string BSENO, string TRUSR)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _update;
    AddParam(cmd, "BSPYN", BSPYN);
    AddParam(cmd, "BSFLW", BSFLW);
    AddParam(cmd, "BSLVL", BSLVL);
    AddParam(cmd, "BSENO", BSENO);
    AddParam(cmd, "OLD_BSPYN", OLD_BSPYN);
    AddParam(cmd, "OLD_BSFLW", OLD_BSFLW);
    AddParam(cmd, "OLD_BSLVL", OLD_BSLVL);
    AddParam(cmd, "OLD_BSENO", OLD_BSENO);
    AddParam(cmd, "TRUSR", TRUSR);
    Query.ExecuteNonQuery(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Delete)]
  public void DeleteOne(string OLD_BSPYN, string OLD_BSFLW, int OLD_BSLVL, string OLD_BSENO)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText = _delete;
    AddParam(cmd, "OLD_BSPYN", OLD_BSPYN);
    AddParam(cmd, "OLD_BSFLW", OLD_BSFLW);
    AddParam(cmd, "OLD_BSLVL", OLD_BSLVL);
    AddParam(cmd, "OLD_BSENO", OLD_BSENO);
    Query.ExecuteNonQuery(cmd);
  }

  public bool 是否是主要簽核(string BSENO)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText =
      @"SELECT COUNT(1)
         FROM BSGP
        WHERE BSLVL IN (1, 3) AND BSENO=@BSENO";
    AddParam(cmd, "BSENO", BSENO);
    return GetInt32Value(Query.ExecuteScalar(cmd)) > 0;
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable 我督導的專案(string BSENO)
  {
    DbCommand cmd = Query.NewCommand();
    cmd.CommandText =
      @"SELECT A.BSPYN, B.BPPYM
        FROM BSGP A
          INNER JOIN BPAA B ON A.BSPYN=B.BPPYN
        WHERE BSLVL=3 AND BSENO=@BSENO
        ORDER BY BSPYN";
    AddParam(cmd, "BSENO", BSENO);
    return Query.Select(cmd);
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable 我可簽核的專案(int Year1, int Year2, string BSENO)
  {
      string yearWhere = "";
      if (Year1 > 0 && Year2 > 0)
          yearWhere = " AND B.BPYER>=@BPYER1 AND B.BPYER<=@BPYER2 ";
      if (Year1 > 0 && Year2 == 0)
          yearWhere = " AND B.BPYER=@BPYER1 ";
      if (Year1 == 0 && Year2 > 0)
          yearWhere = " AND B.BPYER=@BPYER2 ";

      DbCommand cmd = Query.NewCommand();
      cmd.CommandText = String.Format(
        @"SELECT A.BSPYN, B.BPPYM
        FROM BSGP A
            INNER JOIN BPAA B ON A.BSPYN=B.BPPYN {0}
        WHERE BSLVL IN (1, 3) AND BSENO=@BSENO
        UNION
        SELECT A.BSPYN, B.BPPYM
        FROM BSGP A
            INNER JOIN BPAA B ON A.BSPYN=B.BPPYN
        WHERE BSLVL IN (1, 3) AND BSENO=@BSENO AND (BPPYN = '103TYB00001' OR BPPYN = '103JYB00001') 
        ORDER BY BSPYN", yearWhere);
      AddParam(cmd, "BPYER1", Year1);
      AddParam(cmd, "BPYER2", Year2);
      AddParam(cmd, "BSENO", BSENO);
      return Query.Select(cmd);      
  }

  [DataObjectMethod(DataObjectMethodType.Select)]
  public DataTable 我可簽核的專案(int Year, string BSENO)
  {
      return 我可簽核的專案(Year, 0, BSENO);
  }
}