import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Set;

/**
 * Goals 
 * - Store for all the goals, which links into saving them to a file.
 * Also it links into showing them on the GUI.
 * @author Akbar Sherwani
 * @date 20th January
 * @version 0.1
 */

public class Goals {

	private ArrayList<GoalDetails> goals;
	private HashMap<Integer, Integer> playersgoal;
	public Logger log;
	InstantReplay in;

	/**
	 * Goals Constructor
	 */

	public Goals()
	{
		goals = new ArrayList<GoalDetails>();
		playersgoal = new HashMap<Integer, Integer>();
		in = new InstantReplay();
		File file = new File("goals.txt");

		// starts logger
		try {
			log = new Logger(file);
		} catch (NullPointerException e) {
			e.printStackTrace();
		} catch (IOException e) {

			e.printStackTrace();
		}
	}

	/**
	 * goalScored
	 * @param time
	 * @param player_no
	 * @param player_pos
	 * @param ball_pos
	 * @param team
	 */

	public void goalScored(int time, int player_no,int distance, Position player_pos, Position ball_pos)
	{
		GoalDetails goal = new GoalDetails(time, player_no,distance, player_pos, ball_pos);
		goals.add(goal);

		int x = (int) player_pos.getPosx();
		int y = (int) player_pos.getPosy();
		int bx = (int) ball_pos.getPosx();
		int by = (int) ball_pos.getPosy();
		// Sent to GUI
		in.addGoalVisio(player_no, x, y, bx, by,distance);
		printDetails(goal);
		// getGoals(); // remove afterwards

		// Works out who scored and whether they have scored before and 
		// there record is increased
		
		if(playersgoal.containsKey(player_no))
		{
			int amount = playersgoal.get(player_no);
			amount++;
			playersgoal.put(player_no, amount);
		}
		else
		{
			playersgoal.put(player_no, 1);
		}
	}

	/**
	 * getGoals
	 * gets back all goals with details and mentions them
	 */

	public int getGoals()
	{
		Set set= playersgoal.keySet(); 
		Iterator iter = set.iterator() ;
		Integer number;
		int player = 0;
		int amount = 0;
		// Go through each position

		while ( iter.hasNext ()  )  {  
			number =  (Integer)  iter.next();
			int a =  playersgoal.get(number.intValue()); 
			if(amount < a)
			{
				amount = a;
				player = number;
			}

		}

		return player;
	}

	/**
	 * playerScored
	 * Gets how many goals a player has scored
	 * @param int player
	 */

	public int playerScored(int player)
	{
		int x = 0;
		int goal = 0; 

		while(x < goals.size())
		{
			GoalDetails detail = goals.get(x);

			if(player == detail.getPlayer_no())
			{
				goal++;
			}
			x++;
		}

		return goal;
	}

	/**
	 * printDetails
	 * Saves goal details to txt file
	 * @param detail
	 */

	public void printDetails(GoalDetails detail)
	{
		int player_no = detail.getPlayer_no();
		int time = detail.getTime();
		int distance = detail.getDistance();
		Position ppos = detail.getPlayer_pos();
		Position bpos = detail.getBall_pos();
		double py = ppos.getPosy();
		double px = ppos.getPosx();
		double bally = bpos.getPosy();

		log.write("At " + time + " " + player_no + "scores from " + distance + " Player pos " + px + "," + py + " Ball Pos y " + bally, time);
	}

	/**
	 * Shows Goal Widget
	 * Links to GUI so so the goal details in GUI is shown
	 */

	public void show()
	{
		in.showWidget();
	}

}