package mydbconsoleapp;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class executer
{
	//db obj;
	private BufferedReader reader;//declare bufferedreader
	private users user;//declare object for users
	int choice;
	public executer()
	{
//		obj=new db();
//		obj.init();
//		obj.opencon();
//		obj.closecon();

		reader=new BufferedReader(new InputStreamReader(System.in));//initialize bufferedreader
		user=new users();// declare the user object
		login();
	}

	public void login()
	{
		while(true)
		{
			try
			{
			System.out.println("Enter User Name: ");
			String username=reader.readLine();
			System.out.println("Enter Password: ");
			String password=reader.readLine();
			user.init();
			user.opencon();

			if(user.validate(username, password ))
			{
				System.out.println("Validated! ");
			}
			else
			{
				System.out.println("Not Validated! ");
			}
			user.closecon();
			}
			catch(Exception e)
			{
				e.printStackTrace();
			}
			menu();
		}


	}
	public void menu()
	{

		do {
		System.out.println("Welcome !");
		System.out.println("1. Add Students");
		System.out.println("2. List Students");
		System.out.println("3. Search Students");
		System.out.println("4. Write to file");
		System.out.println("5. Read from file");
		System.out.println("0. Exit");

		try
		{
			choice=Integer.parseInt(reader.readLine());
			if(choice==1)
			{
				login();
			}
			else if(choice==2)
			{

			}
			else if(choice==3)
			{

			}
			else if(choice==4)
			{

			}
			else if(choice==5)
			{

			}
			else
			{

			}
		}
		catch(Exception e)
		{
			System.out.println("Invalid choice");
			dummyinput();
		}
		}while(choice !=0);

	}
	public void dummyinput()
	{
		try
		{
			reader.readLine();
		}
		catch(Exception ex)
		{
			ex.printStackTrace();
		}
	}

	public static void main(String args[])
	{
		new executer();
	}
}