/*
 * Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of BetaSteward_at_googlemail.com.
 */
package mage.target.common;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.Constants.Zone;
import mage.MageObject;
import mage.abilities.Ability;
import mage.filter.Filter;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.TargetAmount;


/**
 *
 * @author North
 */
public class TargetCreaturePermanentAmount extends TargetAmount<TargetCreaturePermanentAmount> {

    protected FilterCreaturePermanent filter;

    public TargetCreaturePermanentAmount(int amount) {
        this(amount, new FilterCreaturePermanent());
    }

    public TargetCreaturePermanentAmount(int amount, FilterCreaturePermanent filter) {
        super(amount);
        this.zone = Zone.ALL;
        this.filter = filter;
        this.targetName = filter.getMessage();
    }

    public TargetCreaturePermanentAmount(final TargetCreaturePermanentAmount target) {
        super(target);
        this.filter = target.filter.copy();
    }

    @Override
    public Filter getFilter() {
        return this.filter;
    }

    @Override
    public boolean canTarget(UUID id, Game game) {
        Permanent permanent = game.getPermanent(id);
        if (permanent != null) {
            return filter.match(permanent, game);
        }
        return false;
    }

    @Override
    public boolean canTarget(UUID id, Ability source, Game game) {
        Permanent permanent = game.getPermanent(id);
        if (permanent != null) {
            if (source != null) {
                MageObject targetSource = game.getObject(source.getSourceId());
                return permanent.canBeTargetedBy(targetSource, source.getControllerId(), game) && filter.match(permanent, source.getSourceId(), source.getControllerId(), game);
            } else {
                return filter.match(permanent, game);
            }
        }
        return false;
    }

    @Override
    public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
        int count = 0;
        MageObject targetSource = game.getObject(sourceId);
        for (Permanent permanent : game.getBattlefield().getActivePermanents(new FilterCreaturePermanent(), sourceControllerId, game)) {
            if (permanent.canBeTargetedBy(targetSource, sourceControllerId, game) && filter.match(permanent, sourceId, sourceControllerId, game)) {
                count++;
                if (count >= this.minNumberOfTargets) {
                    return true;
                }
            }
        }
        return false;
    }

    @Override
    public boolean canChoose(UUID sourceControllerId, Game game) {
        int count = 0;
        for (Permanent permanent : game.getBattlefield().getActivePermanents(new FilterCreaturePermanent(), sourceControllerId, game)) {
            if (filter.match(permanent, null, sourceControllerId, game)) {
                count++;
                if (count >= this.minNumberOfTargets) {
                    return true;
                }
            }
        }
        return false;
    }

    @Override
    public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
        Set<UUID> possibleTargets = new HashSet<UUID>();
        MageObject targetSource = game.getObject(sourceId);
        for (Permanent permanent : game.getBattlefield().getActivePermanents(new FilterCreaturePermanent(), sourceControllerId, game)) {
            if (permanent.canBeTargetedBy(targetSource, sourceControllerId, game) && filter.match(permanent, sourceId, sourceControllerId, game)) {
                possibleTargets.add(permanent.getId());
            }
        }
        return possibleTargets;
    }

    @Override
    public Set<UUID> possibleTargets(UUID sourceControllerId, Game game) {
        Set<UUID> possibleTargets = new HashSet<UUID>();
        for (Permanent permanent : game.getBattlefield().getActivePermanents(new FilterCreaturePermanent(), sourceControllerId, game)) {
            if (filter.match(permanent, null, sourceControllerId, game)) {
                possibleTargets.add(permanent.getId());
            }
        }
        return possibleTargets;
    }

    @Override
    public String getTargetedName(Game game) {
        StringBuilder sb = new StringBuilder();
        for (UUID targetId : getTargets()) {
            Permanent permanent = game.getPermanent(targetId);
            if (permanent != null) {
                sb.append(permanent.getName()).append("(").append(getTargetAmount(targetId)).append(") ");
            }
        }
        return sb.toString();
    }

    @Override
    public TargetCreaturePermanentAmount copy() {
        return new TargetCreaturePermanentAmount(this);
    }
}
