using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.Common;
using System.ComponentModel;
using System.Text;
using Wellan.Data;

/// <summary>
/// 用來取得專案處理人員資料的類別
/// </summary>
[DataObject(true)]
public class BprmDAC : Wellan.Data.WDAC
{
    public BprmDAC()
    {
    }

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

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

    /// <summary>
    /// 取得某使用者是否有處理某專案的權限
    /// </summary>
    /// <param name="bppyn">年度專案編號</param>
    /// <param name="bpeno"></param>
    /// <returns></returns>
    public bool GetRight(string bppyn, string bpeno)
    {
        DbCommand cmd = Query.NewCommand(
          //@"SELECT COUNT(1) FROM BPRM A 
          //  INNER JOIN BPAA B ON A.BPPNM=B.BPPNM
          //  WHERE B.BPPYN=@BPPYN AND BPENO=@BPENO");
            @"SELECT COUNT(1) FROM BPRM 
            WHERE BPPNM=@BPPYN AND BPENO=@BPENO");
        cmd.Parameters.Add(Query.NewParameter("BPPYN", bppyn.Length > 3 ? bppyn.Substring(3) : bppyn));
        cmd.Parameters.Add(Query.NewParameter("BPENO", bpeno));
        int i;
        ExecuteScalar(cmd, out i);
        return i > 0;
    }

    public DataTable SelectBy年度接單編號(string BPPYN)
    {
        DbCommand cmd = Query.NewCommand(
            @"SELECT A.BPENO, C.BPNME, C.BPEML
            FROM BPRM A
                JOIN BPAA B ON A.BPPNM = B.BPPNM 
                JOIN BPSNView C ON A.BPENO = C.BPENO
            WHERE B.BPPYN = @BPPYN");
        cmd.Parameters.Add(Query.NewParameter("BPPYN", BPPYN));
        return Query.Select(cmd);
    }

    /// <summary>
    /// 專案處理人員 Grid 分頁查詢
    /// </summary>
    [DataObjectMethod(DataObjectMethodType.Select)]
    public DataTable SelectPage(int startRowIndex, int maximumRows, string BPPNM)
    {
        DbCommand cmd = Query.NewCommand();

        StringBuilder filter = new StringBuilder();
        BuildFilter(filter, cmd, BPPNM);

        cmd.CommandText = String.Format(
            @"SELECT * FROM
              (
                SELECT *, ROW_NUMBER() OVER (ORDER BY BPENO) AS ROWID
                FROM BPRM WHERE 1=1 {0}
              ) AS TMP
              WHERE ROWID BETWEEN @STARTROWINDEX + 1 AND @STARTROWINDEX + @MAXIMUMROWS
              ORDER BY ROWID",
            filter.ToString());
        cmd.Parameters.Add(Query.NewParameter("STARTROWINDEX", startRowIndex));
        cmd.Parameters.Add(Query.NewParameter("MAXIMUMROWS", maximumRows));

        return Query.Select(cmd);
    }

    /// <summary>
    /// 專案處理人員 Grid 查詢筆數
    /// </summary>
    [DataObjectMethod(DataObjectMethodType.Select)]
    public int SelectCount(string BPPNM)
    {
        DbCommand cmd = Query.NewCommand();

        StringBuilder filter = new StringBuilder();
        BuildFilter(filter, cmd, BPPNM);

        cmd.CommandText = String.Format("SELECT COUNT(*) FROM BPRM WHERE 1=1 {0}", filter.ToString());
        return WDAC.GetInt32Value(Query.ExecuteScalar(cmd));
    }

    /// <summary>
    /// 組出專案處理人員 Grid 的查詢條件 (與舊 AddSearch 行為一致)
    /// </summary>
    private void BuildFilter(StringBuilder sb, DbCommand cmd, string BPPNM)
    {
        if (!string.IsNullOrEmpty(BPPNM))
        {
            sb.Append(" AND BPPNM LIKE @BPPNM1 ");
            cmd.Parameters.Add(Query.NewParameter("BPPNM1", BPPNM + "%"));
        }
    }
}