/*
 *  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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 *  authors and should not be interpreted as representing official policies, either expressed
 *  or implied, of BetaSteward_at_googlemail.com.
 */

package mage.abilities.effects.common.continuous;

import mage.constants.Duration;
import mage.constants.Layer;
import mage.constants.Outcome;
import mage.constants.SubLayer;
import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.targetpointer.FixedTarget;

/**
 * @author BetaSteward_at_googlemail.com
 */
public class BoostEquippedEffect extends ContinuousEffectImpl {

    private DynamicValue power;
    private DynamicValue toughness;
    private boolean fixedTarget = false;

    public BoostEquippedEffect(int power, int toughness) {
        this(power, toughness, Duration.WhileOnBattlefield);
    }

    public BoostEquippedEffect(int power, int toughness, Duration duration) {
        this(new StaticValue(power), new StaticValue(toughness), duration);
    }

    public BoostEquippedEffect(DynamicValue powerDynamicValue, DynamicValue toughnessDynamicValue) {
        this(powerDynamicValue, toughnessDynamicValue, Duration.WhileOnBattlefield);
    }

    public BoostEquippedEffect(DynamicValue powerDynamicValue, DynamicValue toughnessDynamicValue, Duration duration) {
        super(duration, Layer.PTChangingEffects_7, SubLayer.ModifyPT_7c, Outcome.BoostCreature);
        this.power = powerDynamicValue;
        this.toughness = toughnessDynamicValue;
        if (duration == Duration.EndOfTurn) {
            fixedTarget = true;
        }
        setText();
    }

    public BoostEquippedEffect(final BoostEquippedEffect effect) {
        super(effect);
        this.power = effect.power.copy();
        this.toughness = effect.toughness.copy();
        this.fixedTarget = effect.fixedTarget;
    }

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

    @Override
    public void init(Ability source, Game game) {
        if (fixedTarget) {
            Permanent equipment = game.getPermanent(source.getSourceId());
            if (equipment != null && equipment.getAttachedTo() != null) {
                this.setTargetPointer(new FixedTarget(equipment.getAttachedTo()));
            }
        }
        super.init(source, game); // inits the target pointer so call it after setting the targetPointer
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent creature = null;
        if (fixedTarget) {
            creature = game.getPermanent(targetPointer.getFirst(game, source));
        } else {
            Permanent equipment = game.getPermanent(source.getSourceId());
            if (equipment != null && equipment.getAttachedTo() != null) {
                creature = game.getPermanent(equipment.getAttachedTo());
            }
        }

        if (creature != null) {
            creature.addPower(power.calculate(game, source, this));
            creature.addToughness(toughness.calculate(game, source, this));
        }

        return true;
    }

    private void setText() {
        StringBuilder sb = new StringBuilder();
        sb.append("Equipped creature gets ");
        String p = power.toString();
        if (!p.startsWith("-"))
            sb.append('+');
        sb.append(p).append('/');
        String t = toughness.toString();
        if (!t.startsWith("-")) {
            if (p.startsWith("-"))
                sb.append('-');
            else
                sb.append('+');
        }
        sb.append(t);
        if (duration != Duration.WhileOnBattlefield)
            sb.append(' ').append(duration.toString());
        String message = power.getMessage();
        if (!message.isEmpty()) {
            sb.append(" for each ");
        }
        sb.append(message);
        staticText = sb.toString();
    }
}