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

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

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

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

    [DataObjectMethod(DataObjectMethodType.Select)]
    public List<BtmeItem> SelectAll()
    {
        var cmd = Query.NewCommand();
        cmd.CommandText = "SELECT * FROM BTME ORDER BY BTTID";
        return Query.Select<BtmeItem>(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Select)]
    public List<BtmeItem> SelectOne(string BTTID)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText = "SELECT * FROM BTME WHERE BTTID=@BTTID";
        AddParam(cmd, "BTTID", BTTID);
        return Query.Select<BtmeItem>(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Insert)]
    public void InsertOne(BtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText =
            @"INSERT INTO dbo.BTME
                 (BTTID, BTNME, BTSTM, BTETM, BTRST, BTRED, TRDAT, TRMOD, TRUSR) 
             VALUES 
                 (@BTTID, @BTNME, @BTSTM, @BTETM, @BTRST, @BTRED, GETDATE(), 'INSERT', @TRUSR)";
        AddParam(cmd, "BTTID", WGuard1.WNextRen(DateTime.UtcNow.AddHours(8).Date, "BTME", "BTTID", "<9999>", "") );
        AddParam(cmd, "BTNME", value.BTNME);
        AddParam(cmd, "BTSTM", value.BTSTM);
        AddParam(cmd, "BTETM", value.BTETM);
        AddParam(cmd, "BTRST", value.BTRST);
        AddParam(cmd, "BTRED", value.BTRED);
        AddParam(cmd, "TRUSR", value.TRUSR);
        Query.ExecuteNonQuery(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Update)]
    public void UpdateOne(BtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText =
            @"UPDATE dbo.BTME SET 
                BTNME = @BTNME, 
                BTSTM = @BTSTM, 
                BTETM = @BTETM, 
                BTRST = @BTRST, 
                BTRED = @BTRED, 
                TRDAT = GETDATE(), 
                TRMOD = 'MODIFY', 
                TRUSR = @TRUSR
              WHERE 
                BTTID = @OLD_BTTID";
        AddParam(cmd, "BTNME", value.BTNME);
        AddParam(cmd, "BTSTM", value.BTSTM);
        AddParam(cmd, "BTETM", value.BTETM);
        AddParam(cmd, "BTRST", value.BTRST);
        AddParam(cmd, "BTRED", value.BTRED);
        AddParam(cmd, "TRUSR", value.TRUSR);
        AddParam(cmd, "OLD_BTTID", value.BTTID);
        Query.ExecuteNonQuery(cmd);
    }

    [DataObjectMethod(DataObjectMethodType.Delete)]
    public void DeleteOne(BtmeItem value)
    {
        var cmd = Query.NewCommand();
        cmd.CommandText = @"DELETE FROM dbo.BTME WHERE BTTID = @OLD_BTTID";
        AddParam(cmd, "OLD_BTTID", value.BTTID);
        Query.ExecuteNonQuery(cmd);
    }

    /// <summary>
    /// 取出班表選擇下拉選單的資料，包含預設班表
    /// </summary>
    /// <returns></returns>
    public List<BtmeItem> SelectForDropdown()
    { 
        var cmd = Query.NewCommand();
        cmd.CommandText = 
            @"SELECT NULL BTTID, '預設班表 (08:00-17:00)' BTNME 
              UNION ALL
              SELECT BTTID, CONCAT(BTNME, ' (', BTSTM, '-', BTETM, ')') BTNME FROM BTME
              WHERE BTSTM <> '' AND BTSTM IS NOT NULL
              ORDER BY BTTID";
        return Query.Select<BtmeItem>(cmd);
    }
}

public class BtmeItem
{
    public string BTTID { get; set; }
    public string BTNME { get; set; }
    public string BTSTM { get; set; }
    public string BTETM { get; set; }
    public string BTRST { get; set; }
    public string BTRED { get; set; }
    public DateTime TRDAT { get; set; }
    public string TRMOD { get; set; }
    public string TRUSR { get; set; }
}