using UnityEngine;

public class HUDBase : MyCoroutine
{
    protected RectTransform m_RectTransform, m_CanvasRect;
    protected Transform m_Target;
    protected Camera m_Camera;

    bool isRect = false;
    bool isTarget = false, isCanvasRect = false, isMainCam = false;

    void Init()
    {
        if (!isRect)
        {
            m_RectTransform = GetComponent<RectTransform>();
            isRect = !DSUtil.CheckNull(m_RectTransform);
        }
        if (!isCanvasRect)
        {
            m_CanvasRect = GetComponentInParent<Canvas>().GetComponent<RectTransform>();
            isCanvasRect = !DSUtil.CheckNull(m_CanvasRect);
        }
        if (!isMainCam)
        {
            m_Camera = Camera.main;
            isMainCam = !DSUtil.CheckNull(m_Camera);
        }
    }

    public void Set_Target(Transform _target)
    {
        Init();
        m_Target = _target;
        isTarget = !DSUtil.CheckNull(m_Target);
    }

    void Update()
    {
        if (isTarget && isCanvasRect && isMainCam)
        {
            RectTransform CanvasRect = m_CanvasRect;
            Vector2 ViewportPosition = m_Camera.WorldToViewportPoint(m_Target.position);
            Vector2 WorldObject_ScreenPosition = new Vector2((ViewportPosition.x * CanvasRect.sizeDelta.x) - (CanvasRect.sizeDelta.x * 0.5f), (ViewportPosition.y * CanvasRect.sizeDelta.y) - (CanvasRect.sizeDelta.y * 0.5f) - 15f);
            m_RectTransform.anchoredPosition = WorldObject_ScreenPosition;
        }
    }

    public static string Get_TextColor(eAttackType _attacktype)
    {
        switch (_attacktype)
        {
            default:
            case eAttackType.Physics:
                return "<color=#FFFFFF>";
            case eAttackType.Magic:
                return "<color=#FF8B8B>";
            case eAttackType.Pure:
                return "<color=#F53B96>";
        }
    }

    public void Off()
    {
        gameObject.SetActive(false);
        Init();
        m_RectTransform.anchoredPosition = Vector3.one * 10000f; // 멀리 보내야 다음에 켜질 때 깜빡임 없어짐
    }
}