using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public partial class Change_pass_form : System.Web.UI.Page
{
    SqlConnection con;
    SqlCommand com;
    SqlDataReader dr;
    bool check = false;
    string str;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["out"].ToString() == "false")
        {
            Response.Redirect("log_out.aspx");
        }
        else
        {

            con = new SqlConnection(ConfigurationManager.ConnectionStrings["regis_dbConnectionString"].ConnectionString);

        }
    }
    public static string base64Encode(string sData)
    {
        try
        {
            byte[] encData_byte = new byte[sData.Length];

            encData_byte = System.Text.Encoding.UTF8.GetBytes(sData);

            string encodedData = Convert.ToBase64String(encData_byte);

            return encodedData;

        }
        catch (Exception ex)
        {
            throw new Exception("Error in base64Encode" + ex.Message);
        }
    }

    public static string base64Decode(string sData)
    {
        try
        {

            System.Text.UTF8Encoding encoder = new System.Text.UTF8Encoding();

            System.Text.Decoder utf8Decode = encoder.GetDecoder();

            byte[] todecode_byte = Convert.FromBase64String(sData);

            int charCount = utf8Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length);

            char[] decoded_char = new char[charCount];

            utf8Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0);

            string result = new String(decoded_char);

            return result;
        }
        catch (Exception ex)
        {
            throw new Exception("Error in base64Decode" + ex.Message);
        }

    }
    protected void btn_ch_pass_Click(object sender, EventArgs e)
    {
        string ery_pass = base64Encode(txt_box_password.Text);
        //Label2.Text = base64Decode(Label1.Text);
        string ery_pass1 = base64Encode(txt_box_ch_password.Text);
        str = "select log_id,password from log_master where log_id='"+txt_box_user_id.Text+"' and password='"+ery_pass+"'";
        con.Open();
        com = new SqlCommand(str,con);
        dr = com.ExecuteReader();
        if (dr.HasRows)
        {
            while (dr.Read())
            {
                string srt1 = dr[0].ToString();
                check = true;
            }
        
        }
        com.Dispose();
        con.Close();
        if (check)
        {
            con.Open();
            str = "update log_master set password='"+ery_pass1+"' where log_id='"+txt_box_user_id.Text+"'";
            com = new SqlCommand(str,con);
            com.ExecuteNonQuery();
            com.Dispose();
            con.Close();
            check = false;
            Label1.Text = "Password Changed";
        }
    }
    
    protected void link_btn_home_Click(object sender, EventArgs e)
    {
       
        if (Session["u_type"].ToString() == "admin")
        {
            Response.Redirect("admin_choice_form.aspx");
        }
        else
        {
            string session_check = "false";
            Session["out"] = session_check;
            Response.Redirect("log_out.aspx");
        }
    }
    protected void link_btn_log_out_Click(object sender, EventArgs e)
    {
        string session_check = "false";
        Session["out"] = session_check;
        Response.Redirect("log_out.aspx");
    }
}