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 * 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.
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 *    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.
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 * 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
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 */
package mage.abilities.common;

import mage.Constants.Zone;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.filter.FilterSpell;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.stack.Spell;
import mage.target.targetpointer.FixedTarget;

/**
 *
 * @author North
 */
public class SpellCastTriggeredAbility extends TriggeredAbilityImpl<SpellCastTriggeredAbility> {

    private static final FilterSpell spellCard = new FilterSpell("a spell");
    protected FilterSpell filter;

    /**
     * If true, the source that triggered the ability will be set as target to effect.
     */
    protected boolean rememberSource = false;

    public SpellCastTriggeredAbility(Effect effect, boolean optional) {
        super(Zone.BATTLEFIELD, effect, optional);
        this.filter = spellCard;
    }

    public SpellCastTriggeredAbility(Effect effect, FilterSpell filter, boolean optional) {
        this(effect, filter, optional, false);
    }

    public SpellCastTriggeredAbility(Effect effect, FilterSpell filter, boolean optional, boolean rememberSource) {
        super(Zone.BATTLEFIELD, effect, optional);
        this.filter = filter;
        this.rememberSource = rememberSource;
    }

    public SpellCastTriggeredAbility(final SpellCastTriggeredAbility ability) {
        super(ability);
        filter = ability.filter;
        this.rememberSource = ability.rememberSource;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (event.getType() == GameEvent.EventType.SPELL_CAST && event.getPlayerId().equals(this.getControllerId())) {
            Spell spell = game.getStack().getSpell(event.getTargetId());
            if (spell != null && filter.match(spell, game)) {
                if (rememberSource) {
                    this.getEffects().get(0).setTargetPointer(new FixedTarget(spell.getId()));
                }
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever you cast " + filter.getMessage() + ", " + super.getRule();
    }

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