using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
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 System.Web.Security;

namespace WebApplication2
{
	/// <summary>
	/// UpdatePassword 的摘要說明。
	/// </summary>
	public class UpdatePassword : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.TextBox txtNewPwd;
		protected System.Web.UI.WebControls.TextBox txtAffirmPwd;
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.TextBox txtOldPwd;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		public    string account;
		private void Page_Load(object sender, System.EventArgs e)
		{
			account=Request.QueryString["Account"];
			// 在此處放置用戶代碼以初始化頁面
		}

		#region Web 窗體設計器生成的代碼
		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.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			// 判斷原密碼是否正確
			Bank b=new Bank();
			string OldPassword=FormsAuthentication.HashPasswordForStoringInConfigFile(this.txtOldPwd.Text,"sha1");
			string OldPwd=OldPassword.Substring(0,10);
			if(b.check(account,OldPwd))
			{
				if(this.txtNewPwd.Text==this.txtAffirmPwd.Text)
				{
					if(this.txtNewPwd.Text!="")
					{
						string NewPassword=FormsAuthentication.HashPasswordForStoringInConfigFile(this.txtNewPwd.Text,"sha1").Substring(0,10);
						if(b.UpdataPassword(account,NewPassword))
						{
							Response.Write("<script language='javascript'>alert('恭喜您,修改成功!');</script>");
						}
					}
					else
					{
						Response.Write("<script language='javascript'>alert('密碼不為空?');</script>");
					}
				}
				else
				{
					Response.Write("<script language='javascript'>alert('兩次密碼輸入不一致?');</script>");
				}
			}
			else
			{
				Response.Write("<script language='javascript'>alert('舊密碼填寫錯誤?');</script>");
			}		
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Login.aspx?Account="+account);
		}
	}
}