Add neighbour guild cards info to help for COPY_GUILD action

3 files changed, 37 insertions, 0 deletions

diff --git a/backend/src/main/java/org/luxons/sevenwonders/game/Game.java b/backend/src/main/java/org/luxons/sevenwonders/game/Game.java
index 62cbab88..c34880d2 100644
--- a/backend/src/main/java/org/luxons/sevenwonders/game/Game.java
+++ b/backend/src/main/java/org/luxons/sevenwonders/game/Game.java
@@ -78,6 +78,9 @@ public class Game {
         Action action = determineAction(hand, table.getBoard(playerIndex));
         pti.setAction(action);
         pti.setMessage(action.getMessage());
+        if (action == Action.PICK_NEIGHBOR_GUILD) {
+            pti.setNeighbourGuildCards(table.getNeighbourGuildCards(playerIndex));
+        }
         return pti;
     }
 
diff --git a/backend/src/main/java/org/luxons/sevenwonders/game/api/PlayerTurnInfo.java b/backend/src/main/java/org/luxons/sevenwonders/game/api/PlayerTurnInfo.java
index ccb045c2..3d92d40b 100644
--- a/backend/src/main/java/org/luxons/sevenwonders/game/api/PlayerTurnInfo.java
+++ b/backend/src/main/java/org/luxons/sevenwonders/game/api/PlayerTurnInfo.java
@@ -2,6 +2,8 @@ package org.luxons.sevenwonders.game.api;
 
 import java.util.List;
 
+import org.luxons.sevenwonders.game.cards.Card;
+
 public class PlayerTurnInfo {
 
     private final int playerIndex;
@@ -14,6 +16,8 @@ public class PlayerTurnInfo {
 
     private List<HandCard> hand;
 
+    private List<Card> neighbourGuildCards;
+
     private String message;
 
     public PlayerTurnInfo(int playerIndex, Table table) {
@@ -42,6 +46,14 @@ public class PlayerTurnInfo {
         this.hand = hand;
     }
 
+    public List<Card> getNeighbourGuildCards() {
+        return neighbourGuildCards;
+    }
+
+    public void setNeighbourGuildCards(List<Card> neighbourGuildCards) {
+        this.neighbourGuildCards = neighbourGuildCards;
+    }
+
     public Action getAction() {
         return action;
     }
diff --git a/backend/src/main/java/org/luxons/sevenwonders/game/api/Table.java b/backend/src/main/java/org/luxons/sevenwonders/game/api/Table.java
index 8b831527..82f9055a 100644
--- a/backend/src/main/java/org/luxons/sevenwonders/game/api/Table.java
+++ b/backend/src/main/java/org/luxons/sevenwonders/game/api/Table.java
@@ -1,11 +1,16 @@
 package org.luxons.sevenwonders.game.api;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import org.luxons.sevenwonders.game.boards.Board;
 import org.luxons.sevenwonders.game.boards.RelativeBoardPosition;
+import org.luxons.sevenwonders.game.cards.Card;
+import org.luxons.sevenwonders.game.cards.Color;
 import org.luxons.sevenwonders.game.cards.HandRotationDirection;
 import org.luxons.sevenwonders.game.moves.Move;
+import org.luxons.sevenwonders.game.resources.Provider;
 
 /**
  * The table contains what is visible by all the players in the game: the boards and their played cards, and the
@@ -81,4 +86,21 @@ public class Table {
             board2.getMilitary().defeat();
         }
     }
+
+    public List<Card> getNeighbourGuildCards(int playerIndex) {
+        return getNeighbourBoards(playerIndex).stream()
+                                              .map(Board::getPlayedCards)
+                                              .flatMap(List::stream)
+                                              .filter(c -> c.getColor() == Color.PURPLE)
+                                              .collect(Collectors.toList());
+    }
+
+    private List<Board> getNeighbourBoards(int playerIndex) {
+        Provider[] providers = Provider.values();
+        List<Board> boards = new ArrayList<>(providers.length);
+        for (Provider provider : providers) {
+            boards.add(getBoard(playerIndex, provider.getBoardPosition()));
+        }
+        return boards;
+    }
 }