/*
 *  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
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 */

package mage.game.turn;

import mage.Constants.PhaseStep;
import mage.Constants.TurnPhase;

import java.util.ArrayList;
import java.util.ListIterator;
import java.util.UUID;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class TurnMods extends ArrayList<TurnMod> {

    public TurnMods() {}

    public TurnMods(final TurnMods mods) {
        for (TurnMod mod: mods) {
            this.add(mod.copy());
        }
    }

    public boolean extraTurn(UUID playerId) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.isExtraTurn() == true && turnMod.getPlayerId().equals(playerId)) {
                it.remove();
                return true;
            }
        }
        return false;
    }

    public boolean skipTurn(UUID playerId) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.isSkipTurn() == true && turnMod.getPlayerId().equals(playerId)) {
                it.remove();
                return true;
            }
        }
        return false;
    }

    public UUID controlsTurn(UUID playerId) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        UUID newControllerId = null;
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getNewControllerId() != null && turnMod.getPlayerId().equals(playerId)) {
                newControllerId = turnMod.getNewControllerId();
                it.remove();
            }
        }
        // now delete all other - control next turn effect is not cumulative
        it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getNewControllerId() != null && turnMod.getPlayerId().equals(playerId)) {
                it.remove();
            }
        }
        return newControllerId;
    }

    public Step extraStep(UUID playerId, PhaseStep afterStep) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getExtraStep() != null && turnMod.getPlayerId().equals(playerId) && (turnMod.getAfterStep() == null || turnMod.getAfterStep() == afterStep)) {
                it.remove();
                return turnMod.getExtraStep();
            }
        }
        return null;
    }

    public boolean skipStep(UUID playerId, PhaseStep step) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getSkipStep() != null && turnMod.getPlayerId().equals(playerId) && turnMod.getSkipStep() == step) {
                it.remove();
                return true;
            }
        }
        return false;
    }

    public TurnMod extraPhase(UUID playerId, TurnPhase afterPhase) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getExtraPhase() != null && turnMod.getPlayerId().equals(playerId) && turnMod.getExtraPhase() != null && (turnMod.getAfterPhase() == null || turnMod.getAfterPhase() == afterPhase)) {
                it.remove();
                return turnMod;
            }
        }
        return null;
    }

    public boolean skipPhase(UUID playerId, TurnPhase phase) {
        ListIterator<TurnMod> it = this.listIterator(this.size());
        while (it.hasPrevious()) {
            TurnMod turnMod = it.previous();
            if (turnMod.getSkipPhase() != null && turnMod.getPlayerId().equals(playerId) && turnMod.getSkipPhase() == phase) {
                it.remove();
                return true;
            }
        }
        return false;
    }

    public TurnMods copy() {
        return new TurnMods(this);
    }

}
