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path: root/src/jrummikub/control/TurnControl.java
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package jrummikub.control;

import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

import jrummikub.model.IHand;
import jrummikub.model.ITable;
import jrummikub.model.Position;
import jrummikub.model.Stone;
import jrummikub.model.StoneSet;
import jrummikub.util.Connection;
import jrummikub.util.Event;
import jrummikub.util.IEvent;
import jrummikub.util.IListener;
import jrummikub.util.IListener1;
import jrummikub.util.IListener2;
import jrummikub.view.IView;

public class TurnControl {
	private IHand hand;
	private ITable table;
	private ITurnTimer timer;
	private IView view;

	private List<Stone> selectedStones = new ArrayList<Stone>();

	private Event endOfTurnEvent = new Event();
	List<Connection> connections = new ArrayList<Connection>();

	public TurnControl(IHand hand, ITable table, IView view) {
		this.hand = hand;
		this.table = table;
		this.view = view;
		this.timer = new TurnTimer(view);
	}

	/** Test only constructor **/
	TurnControl(IHand hand, ITable table, IView view, ITurnTimer testTimer) {
		this.hand = hand;
		this.table = table;
		this.view = view;
		this.timer = testTimer;
	}

	public void startTurn() {

		IListener endOfTurnListener = new IListener() {

			@Override
			public void handle() {
				endOfTurn();
			}
		};
		connections.add(timer.getTimeRunOutEvent().add(endOfTurnListener));
		connections.add(view.getPlayerPanel().getEndTurnEvent()
				.add(endOfTurnListener));

		connections.add(view.getPlayerPanel().getHandPanel()
				.getStoneClickEvent().add(new IListener2<Stone, Boolean>() {

					@Override
					public void handle(Stone stone, Boolean collect) {
						stoneClick(stone, collect);
					}
				}));

		connections.add(view.getTablePanel().getStoneCollectionPanel()
				.getStoneClickEvent().add(new IListener2<Stone, Boolean>() {

					@Override
					public void handle(Stone stone, Boolean collect) {
						collectionStoneClick(stone, collect);
					}
				}));
		connections.add(view.getTablePanel().getStoneCollectionPanel()
				.getSetClickEvent().add(new IListener2<Stone, Boolean>() {

					@Override
					public void handle(Stone stone, Boolean collect) {
						collectionSetClick(stone, collect);
					}
				}));
		connections.add(view.getTablePanel().getStoneClickEvent()
				.add(new IListener2<Stone, Boolean>() {

					@Override
					public void handle(Stone stone, Boolean collect) {
						stoneClick(stone, collect);
					}
				}));
		connections.add(view.getTablePanel().getSetClickEvent()
				.add(new IListener2<Stone, Boolean>() {

					@Override
					public void handle(Stone stone, Boolean collect) {
						tableSetClick(stone, collect);
					}
				}));

		connections.add(view.getTablePanel().getClickEvent()
				.add(new IListener1<Position>() {
					@Override
					public void handle(Position pos) {
						tableClick(pos);
					}
				}));
		connections.add(view.getTablePanel().getLeftConnectorClickEvent()
				.add(new IListener1<StoneSet>() {
					@Override
					public void handle(StoneSet set) {
						connectorClick(set, false);
					}
				}));
		connections.add(view.getTablePanel().getRightConnectorClickEvent()
				.add(new IListener1<StoneSet>() {
					@Override
					public void handle(StoneSet set) {
						connectorClick(set, true);
					}
				}));

		view.getPlayerPanel().getHandPanel().setStones(hand.clone());
		view.enableStartTurnPanel(false);

		timer.startTimer();
	}

	private void sortByValue() {

	}

	private void sortByColor() {

	}

	private void stoneClick(Stone stone, boolean collect) {
		if (collect) {
			if (!selectedStones.remove(stone)) {
				selectedStones.add(stone);
			}
		} else {
			selectedStones.clear();
			selectedStones.add(stone);
		}

		view.setSelectedStones(selectedStones);
	}

	private void collectionStoneClick(Stone stone, boolean collect) {
		selectedStones.remove(stone);

		if (collect) {
			selectedStones.add(stone);
		}

		view.setSelectedStones(selectedStones);
	}

	private void collectionSetClick(Stone stone, Boolean collect) {
		selectedStones.clear();
		view.setSelectedStones(selectedStones);
	}

	private void pickUpSelectedStones() {
		for (Stone stone : selectedStones) {
			hand.pickUp(stone);
			table.pickUpStone(stone);
		}
	}

	private void tableClick(Position position) {
		if (selectedStones.isEmpty()) {
			return;
		}

		pickUpSelectedStones();
		table.drop(new StoneSet(selectedStones), new Position(position.getX()
				- selectedStones.size() * 0.5f, position.getY() - 0.5f));
		selectedStones.clear();

		view.getTablePanel().setStoneSets(table);
		view.getPlayerPanel().getHandPanel().setStones(hand);
		view.setSelectedStones(selectedStones);
	}

	private void tableSetClick(Stone stone, Boolean collect) {
		if (!collect) {
			selectedStones.clear();
		}
		StoneSet selectedSet = table.findStoneSet(stone);
		for (Stone setStone : selectedSet) {
			selectedStones.remove(setStone);
			selectedStones.add(setStone);
		}
		view.setSelectedStones(selectedStones);
	}

	private void connectorClick(StoneSet set, boolean right) {
		List<Stone> stones = new LinkedList<Stone>();
		Position pos = table.getPosition(set);
		for (Stone stone : set) {
			stones.add(stone);
		}
		stones.removeAll(selectedStones);
		if (right) {
			Collections.reverse(stones);
		}
		pickUpSelectedStones();
		StoneSet newSet = null;
		for (Stone stone : stones) {
			newSet = table.findStoneSet(stone);
			if (newSet != null) {
				break;
			}
		}
		if (newSet != null) {
			Position newPos = table.getPosition(newSet);
			table.pickUp(newSet);
			if (right) {
				StoneSet joinedSet = newSet.join(new StoneSet(selectedStones));
				table.drop(joinedSet, newPos);
			} else {
				StoneSet joinedSet = new StoneSet(selectedStones).join(newSet);
				table.drop(joinedSet, new Position(newPos.getX()
						- selectedStones.size(), newPos.getY()));
			}
		} else {
			table.drop(new StoneSet(selectedStones), new Position(pos.getX()
					+ (set.size() - selectedStones.size()) * 0.5f, pos.getY()));
		}

		selectedStones.clear();

		view.getTablePanel().setStoneSets(table);
		view.getPlayerPanel().getHandPanel().setStones(hand);
		view.setSelectedStones(selectedStones);
	}

	private void endOfTurn() {
		timer.stopTimer();
		endOfTurnEvent.emit();
		for (Connection c : connections) {
			c.remove();
		}
		view.setSelectedStones(new ArrayList<Stone>());
	}

	public IEvent getEndOfTurnEvent() {
		return endOfTurnEvent;
	}
}