using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using static UnityEngine.ParticleSystem;

public class Skill_Blizzard : ProjectileBase
{
    public ParticleSystem MainPS;
    MainModule m_MainModule;
    [Header("눈보라 떨어질 높이")]
    public Vector3 v3_Height = Vector3.up * 3f;
    [Header("눈보라 지속 시간")]
    public float lifeTime = 5f;
    [Header("눈보라 효과 범위")]
    public float effectArea = 8f;
    [Header("눈보라 데미지 간격")]
    public float dmgDelay = 0.5f;

    public override void Set(ProjectileData _data)
    {
        if (!DSUtil.CheckNull(_data.target))
        {
            m_MainModule = MainPS.main;
            _data.eStartPos = eProjectileStartPos.Custom;
            _data.v3_StartPos = _data.target.Get_position() + v3_Height;
            base.Set(_data);
            m_LifeTime = lifeTime + (IsStep(1) ? Get_AwakenData(1, 1) : 0f);
            transform.eulerAngles = Vector3.zero;
            StartCoroutine(Co_Update());
        }
        else
            Off();
    }

    IEnumerator Co_Update()
    {
        m_MainModule.loop = true;
        float area = effectArea + (IsStep(2) ? Get_AwakenData(2, 1) : 0f);
        bool step3 = IsStep(3);
        var step3_val1 = Get_AwakenData(3, 1);
        var step3_val2 = Get_AwakenData(3, 1);
        while (m_LifeTime > 0f)
        {
            yield return new WaitForSeconds(dmgDelay);
            m_LifeTime -= dmgDelay;
            var enemies = Get_Enemies(transform, area);
            for (int i = 0; i < enemies.Count; i++)
            {
                if (DSUtil.CheckNull(enemies[i])) continue;
                if (i >= enemies.Count) break;

                enemies[i].Get_Damage(Get_DamageInfo());
                if (step3)
                {
                    var ccData = enemies[i].Get_CCData(eCC.MOVSPD_Down);
                    if (ccData.CCTime > 0f) ccData.CCDmg += step3_val1;

                    ccData = enemies[i].Get_CCData(eCC.ATKSPD_Down);
                    if (ccData.CCTime > 0f) ccData.CCDmg += step3_val2;
                }
            }
        }

        m_MainModule.loop = false;
        yield return new WaitForSeconds(10f);
        Off();
    }
}