/*
 * Southampton University Map App
 * Copyright (C) 2011  Christopher Baines
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package net.cbaines.suma;

import java.util.Date;

import android.text.format.DateUtils;

/**
 * Stop represents a Bus stopping at a time at a BusStop.
 * 
 * @author Christopher Baines <cbaines8@gmail.com>
 * 
 */
public class Stop {

	// public static final String BUS_FIELD_NAME = "bus";
	// public static final String BUS_STOP_FIELD_NAME = "busStop";
	// public static final String ARIVAL_TIME_FIELD_NAME = "arivalTime";
	// public static final String FETCH_TIME_FIELD_NAME = "timeOfFetch";

	/**
	 * The Bus stopping at the stop
	 */
	Bus bus;

	/**
	 * The busStop that the bus is stopping at
	 */
	BusStop busStop;

	/**
	 * The time that the bus is estimated to arrive, if this is null, the time is still being loaded
	 */
	Date arivalTime;

	/**
	 * The time this data was fetched from the server
	 */
	Date timeOfFetch;

	/**
	 * Is the time live, or just expected
	 */
	boolean live;

	/**
	 * Assumed to be the number of seconds since this data was fetched from the
	 * ROMANSE system?
	 */
	int age;

	/**
	 * 
	 * @param bus
	 * @param busStop
	 * @param arivalTime
	 * @param timeOfFetch
	 */
	public Stop(Bus bus, BusStop busStop, Date arivalTime, Date timeOfFetch, boolean live) {
		this.busStop = busStop;
		this.bus = bus;
		this.arivalTime = arivalTime;
		this.timeOfFetch = timeOfFetch;
		this.live = live;
	}

	/**
	 * 
	 * @return
	 */
	public String getTimeToArival() {
		if (arivalTime.getTime() - System.currentTimeMillis() <= 60000) {
			return "Due";
		} else {
			return (String) DateUtils.getRelativeTimeSpanString(arivalTime.getTime(), System.currentTimeMillis(),
					DateUtils.MINUTE_IN_MILLIS);
		}
	}

	public String getShortTimeToArival() {
		if (arivalTime.getTime() - System.currentTimeMillis() <= 60000) {
			return "Due";
		} else {
			String time = (String) DateUtils.getRelativeTimeSpanString(arivalTime.getTime(),
					System.currentTimeMillis(), DateUtils.MINUTE_IN_MILLIS);
			time = time.replace("in ", "");
			time = time.replace(" minutes", "m");
			time = time.replace(" minute", "m");
			return time;
		}
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((arivalTime == null) ? 0 : arivalTime.hashCode());
		result = prime * result + ((bus == null) ? 0 : bus.hashCode());
		result = prime * result + ((busStop == null) ? 0 : busStop.hashCode());
		return result;
	}

	/**
	 * A printout of the stop data for debugging
	 */
	@Override
	public String toString() {
		return "Stop [bus=" + bus + ", busStop=" + busStop + ", arivalTime=" + arivalTime + "]";
	}

	@Override
	// TODO: If this is used, the paramaters need to be checked?
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Stop other = (Stop) obj;
		if (arivalTime == null) {
			if (other.arivalTime != null)
				return false;
		} else if (!arivalTime.equals(other.arivalTime))
			return false;
		if (bus == null) {
			if (other.bus != null)
				return false;
		} else if (!bus.equals(other.bus))
			return false;
		if (busStop == null) {
			if (other.busStop != null)
				return false;
		} else if (!busStop.equals(other.busStop))
			return false;
		return true;
	}

}