import java.util.ArrayList;

public class PlayerIMPL implements Player, Runnable
{	
	//fields
	private ArrayList <PlayerIMPL> players;								//the array of players
	private int chips = 0;												//the player's number of chips.
	private int playerNumber;											//the player's number.
	private int numCards;												//current number of cards given.
	private Card[] hand = new Card[Card.HAND_SIZE];						//the player's hand of cards.
	private int[] payment = new int[Game.numPlayers ];					//total of payments you owe.
	public static int numberForNewGame = 0;							//number of players ready for a new game	
	public int totalPayments = 0; //this will be used to get the total that the players paid out.
	private boolean finished = false;
	
	//monitors
	private Object readyToCompare = new Object();						//monitor for having all of the threads ready to compute.
	private Object myChipsLock = new Object();							//monitor for my chips
	private Object theirChipsLock = new Object();						//monitor for the other player's chips.
	private static boolean newGame = true;								//monitor for creating the new game.
	public static Object readyForNewGame = new Object();				//monitor for when the players are ready for a new game.
	
	
	//constructor 
	public PlayerIMPL(int chips, int playerNumber, ArrayList <PlayerIMPL> players)
	{
		this.players = players;
		this.chips = chips;
		this.playerNumber = playerNumber + 1;
	}
	
	//threaded method.
	public void run()
	{
		while(!finished)
		{
			//Get the cards for all of the players.
			for (int i=0; i < Card.HAND_SIZE; i++)
			{
				synchronized (readyToCompare)
				{
					hand[i] = Game.dealer.drawCard();
					numCards++;
					readyToCompare.notifyAll();
				}
			}
			
			//compare the hands
			for(int x=0; x < Game.numPlayers; x++)
			{
				if (x+1 != playerNumber)
				{
					//get the totals.
					PlayerIMPL opponent = players.get(x);
					payment[x] = opponent.compareHands(hand);
					
					//if you won, your opponent pays you. (negative means you won in this case.)
					if (payment[x] < 0)
					{
						payment[x] *= -1; //make the amounts paid positive.	
						
						//remove from your stack
						synchronized(myChipsLock)
						{
							opponent.chips -= payment[x];
						}
						
						//add to their stack.
						receivePayment(payment[x]);
						
						//add to the total paid out
						opponent.totalPayments += payment[x];
					}
				}
			}
			
			//determine if the player is the winner
			String output = Game.gameNumber + " " + playerNumber + " " + Card.toString(hand) + " " + chips;
			if(totalPayments == 0)
			{
				output += "*";
			}
			
			//output the final game info.
			System.out.println(output);
			
			//ready for a new game, is everyone else??
			synchronized(readyForNewGame)
			{
				newGame = false; //must remain false for the loop to work.
				numberForNewGame++;
				
				//not every player is ready for a new game.
				while((PlayerIMPL.numberForNewGame < Game.numPlayers) && !newGame)
				{
					try {
						readyForNewGame.wait();
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
				}
				
				//last player starts the new game.
				if(numberForNewGame == Game.numPlayers)
				{
					Game.gameNumber++;
					Game.dealer.newHand();
					newGame = true;
					numberForNewGame = 0;
					
					//clear the players cards
					for(int x=0; x < Game.numPlayers; x++)
					{
						//check for those who've retired.
						hasRetired();
						//reset the number of cards so they can play again.
						players.get(x).numCards = 0;
						//reset the payments.
						players.get(x).totalPayments =0;
					}					
					readyForNewGame.notifyAll();
				}
			}
		}
		System.out.println("finished!");
	}
	
	public int compareHands(Card[] opponentsCards) 
	{	
		//wait until everony has a card to cp
		
		synchronized (readyToCompare)
		{
			//wait until every player has their cards.
			while (numCards < Card.HAND_SIZE)
			{
				try {
					readyToCompare.wait();
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
			//return the amount of cash that is owed.
			return Card.compareHands(opponentsCards, hand);
		}
	}

	public boolean hasRetired() 
	{
		for(int x=0; x < Game.numPlayers; x++)
		{
			if (players.get(x).chips < (Game.numPlayers*8)-1)
			{
				System.out.println("player " + players.get(x).playerNumber + " retired");
				Game.players.remove(players.get(x).playerNumber-1);
				Game.numPlayers--;
				players.get(x).finished = true;
			}
		}
		return true;
	}

	public void receivePayment(int payment) 
	{
		synchronized(theirChipsLock)
		{
			//give the payment to the opponent.
			chips = chips + payment;
		}
	}
}