/*
 *  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
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 *  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.cards.g;

import mage.MageInt;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.effects.common.DestroyTargetEffect;
import mage.abilities.keyword.ExaltedAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Zone;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.TargetPermanent;
import mage.watchers.common.PlayerDamagedBySourceWatcher;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;

/**
 * @author BetaSteward_at_googlemail.com
 */
public class GiltspireAvenger extends CardImpl {

    public GiltspireAvenger(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{G}{W}{U}");
        this.subtype.add("Human");
        this.subtype.add("Soldier");


        this.power = new MageInt(2);
        this.toughness = new MageInt(2);

        // Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
        this.addAbility(new ExaltedAbility());

        // {T}: Destroy target creature that dealt damage to you this turn.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new DestroyTargetEffect(), new TapSourceCost());
        ability.addTarget(new GiltspireAvengerTarget());
        this.addAbility(ability);


    }

    public GiltspireAvenger(final GiltspireAvenger card) {
        super(card);
    }

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

class GiltspireAvengerTarget extends TargetPermanent {

    public GiltspireAvengerTarget() {
        super(1, 1, new FilterCreaturePermanent(), false);
        targetName = "creature that dealt damage to you this turn";
    }

    public GiltspireAvengerTarget(final GiltspireAvengerTarget target) {
        super(target);
    }

    @Override
    public boolean canTarget(UUID id, Ability source, Game game) {
        PlayerDamagedBySourceWatcher watcher = (PlayerDamagedBySourceWatcher) game.getState().getWatchers().get(PlayerDamagedBySourceWatcher.class.getSimpleName(), source.getControllerId());
        if (watcher != null && watcher.hasSourceDoneDamage(id, game)) {
            return super.canTarget(id, source, game);
        }
        return false;
    }

    @Override
    public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
        Set<UUID> availablePossibleTargets = super.possibleTargets(sourceId, sourceControllerId, game);
        Set<UUID> possibleTargets = new HashSet<>();
        PlayerDamagedBySourceWatcher watcher = (PlayerDamagedBySourceWatcher) game.getState().getWatchers().get(PlayerDamagedBySourceWatcher.class.getSimpleName(), sourceControllerId);
        for (UUID targetId : availablePossibleTargets) {
            Permanent permanent = game.getPermanent(targetId);
            if (permanent != null && watcher != null && watcher.hasSourceDoneDamage(targetId, game)) {
                possibleTargets.add(targetId);
            }
        }
        return possibleTargets;
    }

    @Override
    public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
        int remainingTargets = this.minNumberOfTargets - targets.size();
        if (remainingTargets == 0) {
            return true;
        }
        int count = 0;
        MageObject targetSource = game.getObject(sourceId);
        PlayerDamagedBySourceWatcher watcher = (PlayerDamagedBySourceWatcher) game.getState().getWatchers().get(PlayerDamagedBySourceWatcher.class.getSimpleName(), sourceControllerId);
        for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
            if (!targets.containsKey(permanent.getId()) && permanent.canBeTargetedBy(targetSource, sourceControllerId, game)
                    && watcher != null && watcher.hasSourceDoneDamage(permanent.getId(), game)) {
                count++;
                if (count >= remainingTargets) {
                    return true;
                }
            }
        }
        return false;
    }

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