/**
* Get necessary exchange to make a four of a kind dedication to given player.
*
* @param player {@link Player}
* @return A pair of {@link LanternCardWrapper} with the [card to give, card to receive], or null
* if there is no dedication one card away.
*/
public LanternCardWrapper[] getNextFourOfAKind(Player player) {
LanternCardWrapper[] giveReceive = null;
LanternCardWrapper give = null;
LanternCardWrapper receive = null;
// check if there is any card to receive
for (LanternCardWrapper lantern : player.getCards()) {
if (lantern.getQuantity() == 3) {
receive = lantern;
break;
}
}
// if can receive, check if there is any different card to give
if (receive != null) {
for (LanternCardWrapper lantern : player.getCards()) {
if ((!lantern.equals(receive)) && (lantern.getQuantity() > 0)) {
give = lantern;
break;
}
}
// if can give and receive, return it
if (give != null) {
giveReceive = new LanternCardWrapper[] {give, receive};
}
}
return giveReceive;
}
/**
* Get necessary exchange to make a three pairs dedication to given player.
*
* @param player {@link Player}
* @return A pair of {@link LanternCardWrapper} with the [card to give, card to receive], or null
* if there is no dedication one card away.
*/
public LanternCardWrapper[] getNextThreePairs(Player player) {
LanternCardWrapper[] giveReceive = null;
LanternCardWrapper pair1 = null;
LanternCardWrapper pair2 = null;
LanternCardWrapper give = null;
LanternCardWrapper receive = null;
// search for first 2 pairs
for (LanternCardWrapper lantern : player.getCards()) {
if (lantern.getQuantity() >= 2) {
// if there is more than 2, this is also the card to give
if (lantern.getQuantity() >= 3) {
give = lantern;
}
if (pair1 == null) {
pair1 = lantern;
} else if (pair2 == null) {
pair2 = lantern;
break;
}
}
}
// if there is at least 2 pairs, check if there are other cards to give and receive
if ((pair1 != null) && (pair2 != null)) {
for (LanternCardWrapper lantern : player.getCards()) {
if ((!lantern.equals(pair1)) && (!lantern.equals(pair2))) {
if (lantern.getQuantity() > 0) {
if (give == null) {
give = lantern;
} else if (receive == null) {
receive = lantern;
break;
}
}
}
}
}
// if can give and receive, return it
if ((give != null) && (receive != null)) {
giveReceive = new LanternCardWrapper[] {give, receive};
}
return giveReceive;
}