package GameFunctionality;

import java.util.ArrayList;

import Infrastructur.Card;
import Infrastructur.Deck;
import Infrastructur.Player;

public class Gamesystem {
	
	private final static int CARDS_PRO_ROUND = 4;
	
	private boolean gameIsGoing = false;
	private boolean hasGameEnded = false;
	private int playerCounter = 0;
	private int playerID = 1;
	
	private ArrayList<Player> playersList= new ArrayList<>();
	private ArrayList<ArrayList<Card>> playerCards = new ArrayList<>();
	private ArrayList <Card> playedCards;
	
	private Player playingPlayer;
	private Deck deck;
	
	public Gamesystem () {
		
	}
	
	public void addPlayer(String name) {
		Player player = new Player(playerID, name);
		playersList.add(player);
		playerCounter++;
//		if(playersList.size()>0){
		playerID++;
//	    }
	}
	
	public void removePlayer(int id_player) throws Exception {
		for(Player plr : playersList) {
			if(plr.getID() == id_player) {
				playersList.remove(plr);
				playerCounter--;
				return;
			}
		}
		// TODO Exception schreiben für nicht existierende ID's
		throw new Exception();
	}
	
	public String[] getAllPlayers() {
		String[] allPlayers = new String [playersList.size()];
		for(int i=0; i<playersList.size(); i++) {
			allPlayers[i] = "ID: " + playersList.get(i).getID() + 
					", Name: " + playersList.get(i).getName();
		}
		return allPlayers;
	}
	
	// TODO
	public String getTheWinner() {
		return null;
	}
	
	public boolean isTheGameGoing() {
		if(deck.getNumberOfCards() == 0) {
			hasGameEnded = true; 
		}
		return hasGameEnded;
	}
	
	public void handOutCards() throws Exception {
		
		playerCards = new ArrayList<>();
		deck.createAndShuffleDeck();
		
		for (int i=0; i<CARDS_PRO_ROUND; i++) {
			for(int j=0; j<playerCounter; j++) {
				Card card = deck.getTopCard();
				if(card != null) {
					playerCards.get(i).add(card);
				}
				else {
					// TODO Exception schreiben DeckIsEmpty
					throw new Exception();
				}
			}
		}
	}
	
	public void playCard (int id_Card) {
		
	}
	
	
	public void startGame() {
		
	}


}