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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import mage.abilities.common.ZoneChangeTriggeredAbility;
import mage.abilities.costs.AlternativeCost;
import mage.abilities.costs.Cost;
import mage.abilities.keyword.ProtectionAbility;
import mage.abilities.mana.ManaAbility;
import mage.constants.Zone;
import mage.game.Game;
import mage.util.ThreadLocalStringBuilder;

/**
 *
 * @author BetaSteward_at_googlemail.com
 * @param <T>
 */
public class AbilitiesImpl<T extends Ability> extends ArrayList<T> implements Abilities<T> {

    private static final ThreadLocalStringBuilder threadLocalBuilder = new ThreadLocalStringBuilder(200);

    public AbilitiesImpl() {}

    public AbilitiesImpl(T... abilities) {
        addAll(Arrays.asList(abilities));
    }

    public AbilitiesImpl(final AbilitiesImpl<T> abilities) {
        for (T ability: abilities) {
            this.add((T)ability.copy());
        }
    }

    @Override
    public AbilitiesImpl<T> copy() {
        return new AbilitiesImpl<>(this);
    }

    @Override
    public List<String> getRules(String source) {
        List<String> rules = new ArrayList<>();

        for (T ability:this) {
            if (!ability.getRuleVisible()) {
                continue;
            }
            if (!(ability instanceof SpellAbility || ability instanceof PlayLandAbility)) {
                String rule = ability.getRule();
                if (rule != null && rule.length() > 3) {
                    rule = Character.toUpperCase(rule.charAt(0)) + rule.substring(1);
                    if (ability.getRuleAtTheTop()) {
                        rules.add(0, rule);
                    } else {
                        rules.add(rule);
                    }
                }
                continue;
            }
            if (ability instanceof SpellAbility) {
                if (ability.getAlternativeCosts().size() > 0) {
                    StringBuilder sbRule = threadLocalBuilder.get();
                    for (AlternativeCost cost: ability.getAlternativeCosts()) {
                        if (cost.getClass().getName().equals("mage.abilities.costs.AlternativeCostImpl")) 
                        { // if the template class is used, the rule is in the getName() instead in the getText()
                            sbRule.append(cost.getName()).append(".<br>");
                        }
                        else
                        {
                            sbRule.append(cost.getText()).append(".<br>");
                        }
                    }
                    rules.add(sbRule.toString());
                }
                if (ability.getAdditionalCostsRuleVisible() && ability.getCosts().size() > 0) {
                    StringBuilder sbRule = threadLocalBuilder.get();
                    for (Cost cost: ability.getCosts()) {
                        if (cost.getText() != null && !cost.getText().isEmpty()) {
                            if (!cost.getText().startsWith("As an additional cost")) {
                                sbRule.append("As an additional cost to cast {this}, ");
                            }
                            sbRule.append(cost.getText()).append(".<br>");
                        }
                    }
                    rules.add(sbRule.toString());
                }
                String rule = ability.getRule();
                if (rule.length() > 0) {
                    rules.add(Character.toUpperCase(rule.charAt(0)) + rule.substring(1)); 
                }                   
            }           
        }

        return rules;
    }

    @Override
    public Abilities<ActivatedAbility> getActivatedAbilities(Zone zone) {
        Abilities<ActivatedAbility> zonedAbilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof ActivatedAbility && ability.getZone().match(zone)) {
                zonedAbilities.add((ActivatedAbility)ability);
            }
        }
        return zonedAbilities;
    }

    @Override
    public Abilities<ActivatedAbility> getPlayableAbilities(Zone zone) {
        Abilities<ActivatedAbility> zonedAbilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if ((ability instanceof ActivatedAbility || (ability instanceof PlayLandAbility))
                    && ability.getZone().match(zone)) {
                zonedAbilities.add((ActivatedAbility)ability);
            }
        }
        return zonedAbilities;
    }

    @Override
    public Abilities<ManaAbility> getManaAbilities(Zone zone) {
        Abilities<ManaAbility> abilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof ManaAbility && ability.getZone().match(zone)) {
                abilities.add((ManaAbility)ability);
            }
        }
        return abilities;
    }

    @Override
    public Abilities<ManaAbility> getAvailableManaAbilities(Zone zone, Game game) {
        Abilities<ManaAbility> abilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof ManaAbility && ability.getZone().match(zone)) {
                if ((((ManaAbility)ability).canActivate(ability.getControllerId(), game))) {
                    abilities.add((ManaAbility)ability);
                }
            }
        }
        return abilities;
    }

    @Override
    public Abilities<EvasionAbility> getEvasionAbilities() {
        Abilities<EvasionAbility> abilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof EvasionAbility) {
                abilities.add((EvasionAbility)ability);
            }
        }
        return abilities;
    }

    @Override
    public Abilities<StaticAbility> getStaticAbilities(Zone zone) {
        Abilities<StaticAbility> zonedAbilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof StaticAbility && ability.getZone().match(zone)) {
                zonedAbilities.add((StaticAbility)ability);
            }
        }
        return zonedAbilities;
    }

    @Override
    public Abilities<TriggeredAbility> getTriggeredAbilities(Zone zone) {
        Abilities<TriggeredAbility> zonedAbilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof TriggeredAbility && ability.getZone().match(zone)) {
                zonedAbilities.add((TriggeredAbility)ability);
            }
            else if (ability instanceof ZoneChangeTriggeredAbility) {
                ZoneChangeTriggeredAbility zcAbility = (ZoneChangeTriggeredAbility)ability;
                if (zcAbility.getToZone() != null && zcAbility.getToZone().match(zone)) {
                    zonedAbilities.add((ZoneChangeTriggeredAbility)ability);
                }
            }
        }
        return zonedAbilities;
    }

    @Override
    public Abilities<ProtectionAbility> getProtectionAbilities() {
        Abilities<ProtectionAbility> abilities = new AbilitiesImpl<>();
        for (T ability: this) {
            if (ability instanceof ProtectionAbility) {
                abilities.add((ProtectionAbility)ability);
            }
        }
        return abilities;
    }

    @Override
    public void setControllerId(UUID controllerId) {
        for (Ability ability: this) {
            ability.setControllerId(controllerId);
        }
    }

    @Override
    public void setSourceId(UUID sourceId) {
        for (Ability ability: this) {
            ability.setSourceId(sourceId);
        }
    }

    @Override
    public void newId() {
        for (Ability ability: this) {
            ability.newId();
        }
    }

    @Override
    public void newOriginalId() {
        for (Ability ability: this) {
            ability.newOriginalId();
        }
    }

    @Override
    public boolean contains(T ability) {
        for (Iterator<T> iterator = this.iterator(); iterator.hasNext();) { // simple loop can cause java.util.ConcurrentModificationException
             T test = iterator.next();
            // Checking also by getRule() without other restrictions is a problem when a triggered ability will be copied to a permanent that had the same ability
            // already before the copy. Because then it keeps the triggered ability twice and it triggers twice.
            // e.g. 2 Biovisonary and one enchanted with Infinite Reflection
            if (ability.getId().equals(test.getId())) {
                return true;
            }
            if (ability.getOriginalId().equals(test.getId())) {
                return true;
            }
            if (ability instanceof MageSingleton && test instanceof MageSingleton && ability.getRule().equals(test.getRule())) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean containsRule(T ability) {
        for (T test: this) {
            if (ability.getRule().equals(test.getRule())) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean containsAll(Abilities<T> abilities) {
        if (this.size() < abilities.size()) {
            return false;
        }
        for (T ability: abilities) {
            if (!contains(ability)) {
                return false;
            }
        }
        return true;
    }

    @Override
    public boolean containsKey(UUID abilityId) {
        for (T ability: this) {
            if (ability.getId().equals(abilityId)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean containsClass(Class classObject) {
        for (T ability: this) {
            if (ability.getClass().equals(classObject)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public T get(UUID abilityId) {
        for (T ability: this) {
            if (ability.getId().equals(abilityId)) {
                return ability;
            }
        }
        return null;
    }

    @Override
    public int getOutcomeTotal() {
        int total = 0;
        for (T ability: this) {
            total += ability.getEffects().getOutcomeTotal();
        }
        return total;
    }

    @Override
    public String getValue() {
        List<String> abilities = new ArrayList<>();
        for (T ability: this) {
            if (ability.toString() != null) {
                abilities.add(ability.toString());
            }
        }
        Collections.sort(abilities);
        StringBuilder sb = threadLocalBuilder.get();
        for (String s: abilities) {
            sb.append(s);
        }
        return sb.toString();
    }
}