using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DefaultsManager
{
    public delegate IEnumerator UseDefaultAction(DefaultHeroCard card);

    private Dictionary<BattleHero, DefaultHeroCard> mHeroDefaults = new Dictionary<BattleHero, DefaultHeroCard>();

    public DefaultsManager() {
    }

    public DefaultHeroCard Setup(DefaultEffect effect) {
        DefaultHeroCard newCard = effect.Card;
        DefaultHeroCard previousCard = null;
        BattleHero heroOwner = (BattleHero) newCard.Owner;
        mHeroDefaults.TryGetValue(heroOwner, out previousCard);

        mHeroDefaults[heroOwner] = newCard;

        return previousCard;
    }

    public IEnumerator UseHeroDefaults(
            BattleHero[] heroes, ParticipantActivity activity,
            UseDefaultAction usedDefaultAction) {
        foreach (BattleHero hero in heroes) {
            if (hero == null) {
                continue;
            }
            
            if (activity.GetNonEmotionCardsUsedThisRound(hero) == 0) {
                DefaultHeroCard defaultCard;
                mHeroDefaults.TryGetValue(hero, out defaultCard);
                if (defaultCard != null) {
                    yield return usedDefaultAction(defaultCard);
                }
            }
        }
    }
}