using System;
using UnityEngine;

// Shared types used by combat/effect/skill systems
public enum Selector
{
    Self,
    AllAllies,
    AllAlliesExceptSelf,
    AdjacentAllies,
    CurrentEnemies,
    AllEntities
}

public enum EffectType
{
    DamageSingleEnemy,
    DamageOverTimeEnemy,
    HealSingleEnemy,        
    HealOverTimeEnemy,      
    DamageSingleAlly,       
    DamageOverTimeAlly,     
    HealSingleSelf,
    HealOverTimeSelf,
    HealGroupSingle,
    HealGroupOverTime,
    BuffDuration,
    DebuffDuration,
    IncreaseManaOverTime,
    ReduceEnemyHealOverTime,
    ScoreMultiplier,
    AddScore,
    IncreaseMaxHP,
    DecreaseMaxHP,
    IncreaseMaxMana,
    DecreaseMaxMana,
    IncreaseScoreEfficiency,
    DecreaseScoreEfficiency,
    // New: modify damage resistance (0-1). Amount interpreted as additive delta (e.g. 0.2 to add 20% resistance)
    IncreaseDamageResistance,
    DecreaseDamageResistance,
    IncreaseAttack,
    DecreaseAttack,
    RedirectNextDamageToSelf
}

public interface ICombatant
{
    void ReceiveDamage(float amount, GameObject source);
    void ReceiveHeal(float amount, GameObject source);
    void ApplyBuff(Buff buff, GameObject source);
    void RemoveBuff(string buffId);
}