package UnimapDBConsole;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

public class executer
{
	BufferedReader reader;
	String username;
	String password;
	int choice;
	db dbobject;

	public executer()
	{
		reader = new BufferedReader(new InputStreamReader(System.in));
		username = password = null;
        choice=0;
		dbobject = new db();
		dbobject.init();
		login();
	}

	public void login()
	{
		while(true)
		{

			try
			{
				clearScreen();
				System.out.println("Welcome!");
				System.out.println("Enter Username");
				username = reader.readLine();
				System.out.println("Enter Password");
				password = reader.readLine();
				if (dbobject.validate(username, password))
				{
					menu();
				}
				else
				{
					clearScreen();
					System.err.println("Authentication Error");
				}
				//choice = sc.nextInt();
			}

			catch(IOException e)
			{
				System.err.println("Input / Output error");
			}

			catch(NumberFormatException e)
			{
				System.err.println("Please enter the correct input");
				System.out.println();
				menu();
			}
		}
	}

	public void menu()
	{
		do
		{
			clearScreen();
			System.out.println("Welcome!");
			System.out.println("0. Exit");
			System.out.println("1. Add Username");
			System.out.println("2. Add Password");
			System.out.println("3. Add Full Name");
			System.out.println("Please enter your choice: ");

			try
			{
				choice = Integer.parseInt(reader.readLine());
				//choice = sc.nextInt();

				if (choice == 0)
				{
					exit();
				}

				else if (choice == 1)
				{
					//addUsername();
				}

				else if (choice == 2)
				{
					//addPassword();
				}

				else if (choice == 2)
				{
					//addFullname();
				}

				else
				{
					System.out.println("Invalid choice!");
					System.out.println();
				}
			}

			catch(IOException e)
			{
				System.err.println("Input / Output error");
			}

			catch(NumberFormatException e)
			{
				System.err.println("Please enter the correct input");
				System.out.println();
				menu();
			}
		} while(choice != 0);
	}

	public void exit()
	{
		System.out.println("Program exit!");
	}

    public static void clearScreen()
    {
        for (int i=1; i<=10; i++)
            System.out.println("\n");
    }

	public static void main(String[] args)
	{
		// TODO Auto-generated method stub
		db d = new db();
		d.init();
		new executer();
	}

}