import java.util.*;
/**
 * This is my own Free Response question do not be intimidated
 * the first question is of harder dificulty than the second one.
 *
 * @author Carlos Vega
 * @version 05/03/22
 */
public class Restaurant
{
    private ArrayList<Reservation> tableList;
    private int currentPlace;

    public Restaurant()
    {
        tableList = new ArrayList<Reservation>();
        currentPlace = 0;
    }

    /*
     * Part A:
     * You will create a method that will find a reservation and return its
     * index which will be stored in current place.
     * If it cannot find the reservation it will return a -1 as currentPlace
     * make sure to make it lowercase
     */
    public int findReservation(String name, int seats)
    {
        name.toLowerCase();
        if (tableList.isEmpty() == false)
        {
            for(int i = 0; i < tableList.size(); i++)
            {
                currentPlace = i;
                if (tableList.get(i) != null &&
                tableList.get(i).getName().equals(name) && 
                tableList.get(i).getSeats() == seats)
                {
                    return currentPlace;
                }
                else
                {
                    currentPlace = -1;
                }
            }
        }
        else if(tableList.isEmpty() == true)
        {
            currentPlace = -1;
        }
        return currentPlace;
    }

    /*
     * Part B:
     * You will update the list with reservations, 
     * the person will check in for a reservation if the person already 
     * has a reservation you will update the list by removing them
     * if they dont you will add their reservation.
     * make it lowercase
     */
    public ArrayList<Reservation> newListUpdated(String name, int seats)
    {
        name.toLowerCase();
        if(findReservation(name, seats) >= 0)
        {
            tableList.remove(currentPlace);
        }
        else if(findReservation(name, seats) < 0)
        {
            tableList.add(new Reservation(name, seats));
        }
        return tableList;
    }

    public void add(Reservation r)
    {
        tableList.add(r);
    }

    public void remove(int i)
    {
        tableList.remove(i);
    }

    public int getCurrentPlace()
    {
        return currentPlace;
    }

    public int getLength()
    {
        return tableList.size();
    }

    public String toString()
    {
        return "Reservation list: " + tableList;
    }
}