using UnityEngine;

using Colosseum.Abnormalities;
using Colosseum.Combat;
using Colosseum.Skills;

namespace Colosseum.Skills.Effects
{
    /// <summary>
    /// 이상상태와 위협 생성 배율을 함께 적용하는 자기 강화 효과입니다.
    /// 탱킹 스킬의 방어/위협 유지 용도로 사용합니다.
    /// </summary>
    [CreateAssetMenu(fileName = "CombatBuffEffect", menuName = "Colosseum/Skills/Effects/Combat Buff")]
    public class CombatBuffEffect : SkillEffect
    {
        [Header("Buff")]
        [Tooltip("적용할 이상상태 데이터")]
        [SerializeField] private AbnormalityData abnormalityData;

        [Tooltip("함께 적용할 위협 생성 배율")]
        [Min(0f)] [SerializeField] private float threatMultiplier = 1f;

        [Tooltip("위협 생성 배율 지속 시간")]
        [Min(0f)] [SerializeField] private float threatMultiplierDuration = 0f;

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

            ApplyAbnormality(target, caster);
            ApplyThreatMultiplier(target, caster);
        }

        private void ApplyAbnormality(GameObject target, GameObject caster)
        {
            if (abnormalityData == null)
                return;

            AbnormalityManager abnormalityManager = target.GetComponent<AbnormalityManager>();
            if (abnormalityManager == null)
                return;

            abnormalityManager.ApplyAbnormality(abnormalityData, caster);
        }

        private void ApplyThreatMultiplier(GameObject target, GameObject caster)
        {
            if (threatMultiplier <= 0f || threatMultiplierDuration <= 0f)
                return;

            ThreatController threatController = target.GetComponent<ThreatController>();
            if (threatController == null)
            {
                threatController = target.AddComponent<ThreatController>();
            }

            float resolvedThreatMultiplier = SkillRuntimeModifierUtility.GetThreatMultiplier(caster);
            threatController.ApplyThreatMultiplier(threatMultiplier * resolvedThreatMultiplier, threatMultiplierDuration);
        }
    }
}