using System;
using System.Data;
using System.Web.Security;
using WebLib;

namespace Education.MobileSurvey
{
  public partial class SurveyList : System.Web.UI.Page
  {
    private DAC_課程報名 Dao課程報名;

    protected void Page_Load(object sender, EventArgs e)
    {
      if (Session[PublicVariable.UserId] == null || string.IsNullOrEmpty(Session[PublicVariable.UserId].ToString()))
      {
        Response.Redirect("Login.aspx");
        return;
      }

      Dao課程報名 = new DAC_課程報名(DAC.NewConnection());

      if (!IsPostBack)
      {
        string 學員ID = Session[PublicVariable.UserId].ToString();
        string 學員姓名 = DAC.GetString(Session[PublicVariable.UserName]);
        ltUserInfo.Text = "學員：" + 學員ID + " " + 學員姓名;

        LoadSurveyList();
      }
    }

    private void LoadSurveyList()
    {
      string 學員ID = Session[PublicVariable.UserId].ToString();
      DataTable dt = Dao課程報名.Select選課紀錄(學員ID, false, false, true, true);
      if (dt != null)
      {
        DataView dv = dt.DefaultView;
        dv.RowFilter = "填寫數 = 0";
        DataTable dtFiltered = dv.ToTable();
        rptSurveyList.DataSource = dtFiltered;
        rptSurveyList.DataBind();
        pnlEmpty.Visible = (dtFiltered.Rows.Count == 0);
      }
    }

    protected void rptSurveyList_ItemCommand(object source, System.Web.UI.WebControls.RepeaterCommandEventArgs e)
    {
      if (e.CommandName == "Fill")
      {
        string[] args = e.CommandArgument.ToString().Split('|');
        string courseId = args[0];
        string studentId = args[1];
        Response.Redirect("SurveyForm.aspx?course=" + courseId + "&student=" + studentId);
      }
    }

    protected void btnLogout_Click(object sender, EventArgs e)
    {
      Session.Clear();
      FormsAuthentication.SignOut();
      Response.Redirect("Login.aspx");
    }

    protected void btnRefresh_Click(object sender, EventArgs e)
    {
      LoadSurveyList();
    }
  }
}