/**
* Gets the kind of the poker player hand.
*
* @return The first element of the array will be the poker hand kind. The following elements of
* the array represent the value or values that determines the quality of the poker hand. The
* rest of values will represent the card values left, used to solve draws. If player doesn't
* have the five hands the method will return null.
* @example The hand [A A A K K] will return {PokerHand.FULL, A, K}. The hand [Q Q 10 9 5] will
* return {PokerHand.PAIR, Q, 10, 9, 5}.
*/
public ArrayList<Object> getPokerHand() {
if (playerHand.size() < 5) return null;
Collections.sort(playerHand, comparator);
int num_jokers = 0;
for (FrenchCard c : playerHand) {
if (c.isSuit(FrenchSuit.JOKER)) num_jokers++;
}
if (num_jokers == 5) {
return new ArrayList(Arrays.asList(PokerHand.REPOKER, "A"));
}
Integer frequencies[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
String values[] = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};
ArrayList<String> cardValues = new ArrayList();
for (FrenchCard c : playerHand) {
if (!c.isSuit(FrenchSuit.JOKER)) cardValues.add(c.getValue());
}
for (int i = 0; i < 13; i++) {
for (FrenchCard c : playerHand) {
frequencies[i] += c.isValue(values[i]) ? 1 : 0;
}
frequencies[i] += num_jokers;
}
ArrayList<Object> pokerHand = new ArrayList();
PokerHand hand = null;
int reps = Collections.max(Arrays.asList(frequencies));
switch (reps) {
case 5:
hand = PokerHand.REPOKER;
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).indexOf(5)]);
break;
case 4:
hand = PokerHand.POKER; // 5 A A A A // 3 3 3 3 5
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).lastIndexOf(4)]);
cardValues.removeAll(
Collections.singleton(values[Arrays.asList(frequencies).lastIndexOf(4)]));
pokerHand.add(cardValues.get(0));
break;
case 3:
if (Collections.frequency(Arrays.asList(frequencies), 2 + num_jokers) >= num_jokers + 1) {
hand = PokerHand.FULL;
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).lastIndexOf(3)]);
cardValues.removeAll(
Collections.singleton(values[Arrays.asList(frequencies).lastIndexOf(3)]));
pokerHand.add(cardValues.get(0));
} else {
hand = PokerHand.THREESOME;
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).lastIndexOf(3)]);
cardValues.removeAll(
Collections.singleton(values[Arrays.asList(frequencies).lastIndexOf(3)]));
pokerHand.add(cardValues.get(1));
pokerHand.add(cardValues.get(0));
}
break;
case 2:
if (Collections.frequency(Arrays.asList(frequencies), 2) == 2) {
hand = PokerHand.TWO_PAIR;
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).lastIndexOf(2)]);
pokerHand.add(values[Arrays.asList(frequencies).indexOf(2)]);
pokerHand.add(values[Arrays.asList(frequencies).indexOf(1)]);
} else {
hand = PokerHand.PAIR;
pokerHand.add(hand);
pokerHand.add(values[Arrays.asList(frequencies).lastIndexOf(2)]);
cardValues.removeAll(
Collections.singleton(values[Arrays.asList(frequencies).lastIndexOf(2)]));
pokerHand.add(cardValues.get(2));
pokerHand.add(cardValues.get(1));
pokerHand.add(cardValues.get(0));
}
break;
}
boolean isFlush = true;
FrenchSuit flushSuit = null;
for (int i = 0; i < 5 && isFlush; i++) {
if (flushSuit != null
&& !playerHand.get(i).isSuit(flushSuit)
&& !playerHand.get(i).isSuit(FrenchSuit.JOKER)) {
isFlush = false;
}
if (flushSuit == null && !playerHand.get(i).isSuit(FrenchSuit.JOKER)) {
flushSuit = playerHand.get(i).getSuit();
}
}
boolean isStraight = true;
int straightFirstIndex = Arrays.asList(values).indexOf(playerHand.get(0).getValue());
int currentIndex = straightFirstIndex;
for (int i = 1; i < 5 && isStraight; i++) {
if (playerHand.get(i).getSuit() != FrenchSuit.JOKER
&& (Arrays.asList(values).indexOf(playerHand.get(i).getValue()) == currentIndex
|| Arrays.asList(values).indexOf(playerHand.get(i).getValue()) - straightFirstIndex
> 4)) {
isStraight = false;
}
currentIndex = Arrays.asList(values).indexOf(playerHand.get(i).getValue());
}
if (isStraight && straightFirstIndex > 8) straightFirstIndex = 8; // Para Jokers, Q, K, A
if (isStraight && isFlush && reps < 5) {
pokerHand.clear();
if (values[straightFirstIndex] == "10") {
pokerHand.add(PokerHand.ROYAL_FLUSH);
} else {
pokerHand.add(PokerHand.STRAIGHT_FLUSH);
pokerHand.add(values[straightFirstIndex + 4]);
}
} else if (isFlush && reps < 4) {
pokerHand.clear();
pokerHand.add(PokerHand.FLUSH);
for (int i = 4; i >= 0; i--) {
if (playerHand.get(i).isSuit(FrenchSuit.JOKER)) pokerHand.add("A");
else pokerHand.add(playerHand.get(i).getValue());
}
} else if (isStraight && reps < 4 && hand != PokerHand.FULL) {
pokerHand.clear();
pokerHand.add(PokerHand.STRAIGHT);
pokerHand.add(values[straightFirstIndex + 4]);
} else if (pokerHand.isEmpty()) {
pokerHand.add(PokerHand.HIGHCARD);
pokerHand.add(playerHand.get(4).getValue());
pokerHand.add(playerHand.get(3).getValue());
pokerHand.add(playerHand.get(2).getValue());
pokerHand.add(playerHand.get(1).getValue());
pokerHand.add(playerHand.get(0).getValue());
}
return pokerHand;
}
@Override
public int compare(FrenchCard c1, FrenchCard c2) {
if (c1.isSuit(FrenchSuit.JOKER) && c2.isSuit(FrenchSuit.JOKER)) return 0;
if (c1.isSuit(FrenchSuit.JOKER)) return 1;
if (c2.isSuit(FrenchSuit.JOKER)) return -1;
if (c1.getValue().equals(c2.getValue())) return 0;
if (!c1.isValue("J") && !c1.isValue("Q") && !c1.isValue("K") && !c1.isValue("A")) {
if (c2.isValue("J") || c2.isValue("Q") || c2.isValue("K") || c2.isValue("A")) {
return -1;
} else {
return Integer.compare(
Integer.parseInt(c1.getValue()), Integer.parseInt(c2.getValue()));
}
} else {
if (!c2.isValue("J") && !c2.isValue("Q") && !c2.isValue("K") && !c2.isValue("A")) {
return 1;
} else {
if (c1.isValue("J")) return -1;
else if (c2.isValue("J")) return 1;
else if (c1.isValue("Q")) return -1;
else if (c2.isValue("Q")) return 1;
else if (c1.isValue("K")) return -1;
else return 1;
}
}
}