using UnityEngine;

using Colosseum.Player;
using Colosseum.Stats;

namespace Colosseum.Skills.Effects
{
    /// <summary>
    /// 보호막 효과입니다.
    /// 대상에게 일정 시간 동안 피해를 흡수하는 보호막을 부여합니다.
    /// </summary>
    [CreateAssetMenu(fileName = "ShieldEffect", menuName = "Colosseum/Skills/Effects/Shield")]
    public class ShieldEffect : SkillEffect
    {
        [Header("Shield")]
        [Tooltip("기본 보호막 수치")]
        [Min(0f)] [SerializeField] private float baseShield = 100f;

        [Tooltip("회복력 계수")]
        [Min(0f)] [SerializeField] private float shieldScaling = 0.5f;

        [Tooltip("보호막 지속 시간")]
        [Min(0f)] [SerializeField] private float duration = 5f;

        protected override void ApplyEffect(GameObject caster, GameObject target)
        {
            if (target == null)
                return;

            PlayerNetworkController networkController = target.GetComponent<PlayerNetworkController>();
            if (networkController == null)
                return;

            float totalShield = CalculateShield(caster);
            networkController.ApplyShield(totalShield, duration);
        }

        private float CalculateShield(GameObject caster)
        {
            CharacterStats stats = caster != null ? caster.GetComponent<CharacterStats>() : null;
            if (stats == null)
                return baseShield;

            return baseShield + (stats.HealPower * shieldScaling);
        }
    }
}