using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

using qminoa.DA.Schedule;
namespace qminoa.Webs.Schedule
{
	public class SchedByWeek : qminoa.Webs.PageBase
	{
		protected System.Web.UI.WebControls.Label lblUName;
		protected System.Web.UI.WebControls.TextBox txtYear;
		protected System.Web.UI.WebControls.DropDownList dropMonth;
		protected System.Web.UI.WebControls.DropDownList dropDay;
		protected System.Web.UI.WebControls.ImageButton cmdQuery;
		protected System.Web.UI.WebControls.Label lblErr;
		protected System.Web.UI.WebControls.Label lblYear;
		protected System.Web.UI.WebControls.Label lblDate;
		protected System.Web.UI.WebControls.LinkButton cmdToday;
		protected System.Web.UI.WebControls.LinkButton cmdMonth;
		protected System.Web.UI.WebControls.LinkButton cmdWeek;
		protected System.Web.UI.WebControls.LinkButton cmdDay;
		protected System.Web.UI.WebControls.LinkButton cmdLastDay;
		protected System.Web.UI.WebControls.Label lblHeader;
		protected System.Web.UI.WebControls.LinkButton cmdNextDay;
		private static DateTime date = new DateTime();

		private void Page_Load(object sender, System.EventArgs e)
		{
			this.PageBegin("我的日程",false);
			if(!IsPostBack)
			{
				if(Request.QueryString["date"] != null)
				{
					date =DateTime.Parse(Request.QueryString["date"]);
					DisplayDate(date);
				}
				else
				{
					date= DateTime.Now;
					DisplayDate(DateTime.Now);
				}
			}
		}
        
		void DisplayDate(DateTime date)
		{
			string Day = "";
			switch(date.DayOfWeek.ToString())
			{
				case "Sunday":
					Day="星期日";
					break;
				case "Monday":
					Day="星期一";
					break;
				case "Tuesday":
					Day="星期二";
					break;
				case "Wednesday":
					Day="星期三";
					break;
				case "Thursday":
					Day="星期四";
					break;
				case "Friday":
					Day="星期五";
					break;
				case "Saturday":
					Day="星期六";
					break;
			}		
            
			lblHeader.Text = date.Year +"年"+ date.Month +"月"+ date.Day +"日"+" "+" "+" "+Day;
			txtYear.Text = date.Year.ToString();
			dropMonth.SelectedIndex = date.Month - 1;
			dropDay.SelectedIndex = date.Day - 1;
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN：該調用是 ASP.NET Web 窗體設計器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
		/// 此方法的內容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.dropMonth.SelectedIndexChanged += new System.EventHandler(this.dropMonth_SelectedIndexChanged);
			this.dropDay.SelectedIndexChanged += new System.EventHandler(this.dropDay_SelectedIndexChanged);
			this.cmdQuery.Click += new System.Web.UI.ImageClickEventHandler(this.cmdQuery_Click);
			this.cmdMonth.Click += new System.EventHandler(this.cmdMonth_Click);
			this.cmdDay.Click += new System.EventHandler(this.cmdDay_Click);
			this.cmdLastDay.Click += new System.EventHandler(this.cmdLastDay_Click);
			this.cmdNextDay.Click += new System.EventHandler(this.cmdNextDay_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		
		private void cmdMonth_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Schedule.aspx?date="+date.ToShortDateString());
		}

		private void cmdDay_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("SchedByDay.aspx?date="+date.ToShortDateString());
		}

		private void cmdQuery_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			if(!(txtYear.Text==""))
			{
				int year,month,day;
				year=Int32.Parse(txtYear.Text);
				month=dropMonth.SelectedIndex + 1;
				day=Int32.Parse(dropDay.SelectedItem.Text);
				date = new DateTime(year,month,day);
				DisplayDate(date);
			}
		}

		private void cmdLastDay_Click(object sender, System.EventArgs e)
		{
			System.TimeSpan duration = new System.TimeSpan(7, 0, 0, 0);
			date=date.Subtract(duration);
			DisplayDate(date);
		}
        
		private void cmdNextDay_Click(object sender, System.EventArgs e)
		{
			System.TimeSpan duration = new System.TimeSpan(7, 0, 0, 0);
			date=date.Add(duration);
			DisplayDate(date);
		}
        
		private void dropDay_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			int numday = DateTime.DaysInMonth(Int32.Parse(txtYear.Text),dropMonth.SelectedIndex + 1);
			if(dropDay.SelectedIndex + 1 > numday)
			{
				lblErr.Visible = true;
				lblErr.Text = "日期錯誤";
				dropDay.SelectedIndex = numday - 1;
			}
		}
        
		private void dropMonth_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			int numday = DateTime.DaysInMonth(Int32.Parse(txtYear.Text),dropMonth.SelectedIndex + 1);
			if(dropDay.SelectedIndex + 1 > numday)
			{
				lblErr.Visible = true;
				lblErr.Text = "日期錯誤";
				dropDay.SelectedIndex = numday - 1;
			}
		}

		public string ssubject(int i)
		{
			string strDisInfo="";
            DateTime Date = new DateTime();
			Date = DateTime.Parse(sDate(i));
			SqlCommand objcommand = new SqlCommand();
			SqlDataReader objdatareader;  
			ScheduleDA objschdule = new ScheduleDA();
			objcommand = objschdule.SchRead(Convert.ToInt16(this.Empid),Date);
			objcommand.Connection.Open();
			objdatareader=objcommand.ExecuteReader();
			try
			{		
				while(objdatareader.Read())
				{
					int SchID = Int32.Parse(objdatareader.GetInt32(1).ToString());
					DateTime FDate = new DateTime();
					FDate = DateTime.Parse(objdatareader.GetSqlDateTime(2).ToString());
					string FDate_hour = FDate.Hour.ToString();
					string FDate_Minute = FDate.Minute.ToString();
					if(FDate_Minute == "0")
					{
						FDate_Minute = "00";
					}
			        string Subject = objdatareader.GetValue(0).ToString();
					if(Subject.Length > 4)
					{
						Subject = Subject.Substring(0,4);
						Subject += ".."; 
					}
					strDisInfo+="<br>"+"<A href=schaddup.aspx?reurl=schedbyweek.aspx&id="+SchID+"&day="+date+" class=td  style='FONT-WEIGHT: 400'>☉"+FDate_hour+":"+FDate_Minute+" "+Subject+" </A>";
				}
				objdatareader.Close();
				objcommand.Connection.Close();
				return strDisInfo;
			}
			catch
			{
				return "讀取日程，出現錯誤！";
			}
		}

		public string sDate(int i)
		{
			int j = num(date);
			DateTime Date = new DateTime();
            Date=date;
			System.TimeSpan duration1 = new System.TimeSpan(j, 0, 0, 0);
			Date=Date.Subtract(duration1);
			System.TimeSpan duration2 = new System.TimeSpan(i, 0, 0, 0);
			Date=Date.Add(duration2);
			return Date.ToShortDateString();
		}

		public int day(string date)
		{
			return Int32.Parse(DateTime.Parse(date).Day.ToString());
		}

		public int num(DateTime date)
		{
			int j=0;
			switch(date.DayOfWeek.ToString())
			{
				case "Sunday":
					j = 0;
					break;
				case "Monday":
					j = 1;
					break;
				case "Tuesday":
					j = 2;
					break;
				case "Wednesday":
					j = 3;
					break;
				case "Thursday":
					j = 4;
					break;
				case "Friday":
					j = 5;
					break;
				case "Saturday":
					j = 6;
					break;			
			}
			return j;
		}
	}
}