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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
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* permitted provided that the following conditions are met:
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*    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
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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package mage.abilities.effects;

import mage.Constants.*;
import mage.abilities.Ability;
import mage.abilities.ActivatedAbility;
import mage.abilities.TriggeredAbility;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.DomainValue;
import mage.abilities.dynamicvalue.common.SignInversionDynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.game.Game;

import java.util.*;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public abstract class ContinuousEffectImpl<T extends ContinuousEffectImpl<T>> extends EffectImpl<T> implements ContinuousEffect<T> {

    protected Duration duration;
    protected Layer layer;
    protected SubLayer sublayer;
    protected Date timestamp;
    protected boolean used = false;
    protected boolean affectedObjectsSet = false;
    protected List<UUID> objects = new ArrayList<UUID>();
    protected Map<UUID, Integer> metadata = new HashMap<UUID, Integer>();

    public ContinuousEffectImpl(Duration duration, Outcome outcome) {
        super(outcome);
        this.duration = duration;
        this.timestamp = new Date();
        this.effectType = EffectType.CONTINUOUS;
    }

    public ContinuousEffectImpl(Duration duration, Layer layer, SubLayer sublayer, Outcome outcome) {
        this(duration, outcome);
        this.layer = layer;
        this.sublayer = sublayer;
    }

    public ContinuousEffectImpl(final ContinuousEffectImpl<T> effect) {
        super(effect);
        this.duration = effect.duration;
        this.layer = effect.layer;
        this.sublayer = effect.sublayer;
        this.timestamp = new Date(effect.timestamp.getTime());
        this.used = effect.used;
        this.affectedObjectsSet = effect.affectedObjectsSet;
        this.objects.addAll(effect.objects);
    }

    @Override
    public Duration getDuration() {
        return duration;
    }

    @Override
    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
        if (this.layer == layer && this.sublayer == sublayer) {
            return apply(game, source);
        }
        return false;
    }

    @Override
    public Date getTimestamp() {
        return timestamp;
    }

    @Override
    public void setTimestamp() {
        this.timestamp = new Date();
    }

    @Override
    public void newId() {
        this.id = UUID.randomUUID();
    }

    @Override
    public boolean hasLayer(Layer layer) {
        return this.layer == layer;
    }

    @Override
    public boolean isUsed() {
        return used;
    }

    @Override
    public void init(Ability source, Game game) {
        //20100716 - 611.2c
        if (source instanceof ActivatedAbility || source instanceof TriggeredAbility) {
            if (layer != null) {
                switch (layer) {
                    case CopyEffects_1:
                    case ControlChangingEffects_2:
                    case TextChangingEffects_3:
                    case TypeChangingEffects_4:
                    case ColorChangingEffects_5:
                    case AbilityAddingRemovingEffects_6:
                    case PTChangingEffects_7:
                        this.affectedObjectsSet = true;
                }
            }
            else {
                if (hasLayer(Layer.CopyEffects_1) || hasLayer(Layer.ControlChangingEffects_2) || hasLayer(Layer.TextChangingEffects_3) ||
                    hasLayer(Layer.TypeChangingEffects_4) || hasLayer(Layer.ColorChangingEffects_5) || hasLayer(Layer.AbilityAddingRemovingEffects_6) ||
                    hasLayer(Layer.PTChangingEffects_7)) {
                    this.affectedObjectsSet = true;
                }
            }
        }
    }

    @Override
    public boolean isInactive(Ability source, Game game) {
        return false;
    }

    public Layer getLayer() {
        return layer;
    }

    public SubLayer getSublayer() {
        return sublayer;
    }

    @Override
    public void overrideRuleText(String text) {
        this.staticText = text;
    }

    protected static boolean isCanKill(DynamicValue toughness) {
        if (toughness instanceof StaticValue) {
            return toughness.calculate(null, null) < 0;
        }
        if (toughness instanceof SignInversionDynamicValue) {
            // count this class as used for "-{something_positive}"
            return true;
        }
        if (toughness instanceof DomainValue) {
            return ((DomainValue)toughness).getAmount() < 0;
        }
        return false;
    }

}