[BRO] Implement Blanchwood Prowler

Mage/src/main/java/mage/abilities/effects/common/MillThenPutInHandEffect.java

@@ -0,0 +1,96 @@
+package mage.abilities.effects.common;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.ContinuousEffect;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.Card;
+import mage.cards.Cards;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.filter.FilterCard;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.TargetCard;
+import mage.util.CardUtil;
+
+/**
+ * @author TheElk801
+ */
+public class MillThenPutInHandEffect extends OneShotEffect {
+
+    private final int amount;
+    private final FilterCard filter;
+    private final Effect otherwiseEffect;
+
+    public MillThenPutInHandEffect(int amount, FilterCard filter) {
+        this(amount, filter, null);
+    }
+
+    public MillThenPutInHandEffect(int amount, FilterCard filter, Effect otherwiseEffect) {
+        super(Outcome.Benefit);
+        this.amount = amount;
+        this.filter = filter;
+        this.otherwiseEffect = otherwiseEffect;
+    }
+
+    private MillThenPutInHandEffect(final MillThenPutInHandEffect effect) {
+        super(effect);
+        this.amount = effect.amount;
+        this.filter = effect.filter;
+        this.otherwiseEffect = effect.otherwiseEffect;
+    }
+
+    @Override
+    public MillThenPutInHandEffect copy() {
+        return new MillThenPutInHandEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        Cards cards = player.millCards(amount, source, game);
+        if (cards.isEmpty()) {
+            return applyOtherwiseEffect(game, source);
+        }
+        TargetCard target = new TargetCard(0, 1, Zone.ALL, filter);
+        player.choose(Outcome.DrawCard, cards, target, game);
+        Card card = game.getCard(target.getFirstTarget());
+        if (card == null) {
+            return applyOtherwiseEffect(game, source);
+        }
+        return player.moveCards(card, Zone.HAND, source, game);
+    }
+
+    private boolean applyOtherwiseEffect(Game game, Ability source) {
+        if (otherwiseEffect instanceof OneShotEffect) {
+            return otherwiseEffect.apply(game, source);
+        } else if (otherwiseEffect instanceof ContinuousEffect) {
+            game.addEffect((ContinuousEffect) otherwiseEffect, source);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText == null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        StringBuilder sb = new StringBuilder("mill ");
+        sb.append(CardUtil.numberToText(amount));
+        sb.append(" cards. You may put ");
+        sb.append(filter.getMessage());
+        sb.append(" from among the cards milled this way into your hand");
+        if (otherwiseEffect != null) {
+            sb.append(". If you don't, ");
+            sb.append(otherwiseEffect.getText(mode));
+        }
+        return sb.toString();
+    }
+}