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

public class Skill_Hurricane : ProjectileBase
{
    [Header("소용돌이 유지 시간")]
    public float lifeTime = 15f;
    [Header("소용돌이 데미지 범위")]
    public float damageArea = 5f;
    [Header("데미지 간격")]
    public float damageGap = 0.33f;
    [Header("소용돌이 이동속도")]
    public float movespeed = 1f;

    public override void Set(ProjectileData _data)
    {
        _data.eStartPos = eProjectileStartPos.Target;
        base.Set(_data);
        movespeed += IsStep(1) ? Get_AwakenData(1, 1) : 0f;
        _data.LifeTime = lifeTime + (IsStep(2) ? Get_AwakenData(2, 1) : 0f);

        StartCoroutine(Co_Update());
    }

    IEnumerator Co_Update()
    {
        var step3 = IsStep(3);
        if (step3) damageArea += Get_AwakenData(3, 1);

        while (m_ProjectTileData.LifeTime > 0f)
        {
            yield return new WaitForSeconds(damageGap);
            m_ProjectTileData.LifeTime -= damageGap;
            var enemies = Get_Enemies(transform, damageArea);
            Attack_Enemies(enemies, step3);
        }

        Off();
    }

    private void Update()
    {
        if (!DSUtil.CheckNull(m_ProjectTileData.target) && !m_ProjectTileData.target.IsDead())
        {
            var targetpos = m_ProjectTileData.target.Get_position();
            transform.position = Vector3.MoveTowards(transform.position, targetpos, Time.deltaTime * movespeed);

            // Create a new position with the y value you want
            Vector3 newPosition = transform.position;
            newPosition.y = 0.01f; // Set the y-value
            transform.position = newPosition;
        }
        else
        {
            m_ProjectTileData.target = Get_NearstEnemy();
            if (DSUtil.CheckNull(m_ProjectTileData.target))
                Off(true);
        }

        if (m_ProjectTileData.shooter.IsDead()) Off();
    }

    void Attack_Enemies(List<Actor> enemies, bool airborne)
    {
        for (int j = 0; j < enemies.Count; j++)
        {
            if (DSUtil.CheckNull(enemies[j])) continue;
            if (j >= enemies.Count) break;

            if (airborne) enemies[j].KnockedAirborne();
            enemies[j].Get_Damage(Get_DamageInfo());
        }
    }
}