using UnityEngine;
using TMPro;
using DG.Tweening;
using System;

[RequireComponent(typeof(TextMeshProUGUI))]
public class DamageIndicatorText : MonoBehaviour
{
    Camera mainCamera;
    Camera uiCamera;
    TextMeshProUGUI text;
    DOTweenAnimation[] tweenAnimations;

    int playCount = 0;

    public bool IsShowing => gameObject.activeSelf;
    public event Action<DamageIndicatorText> OnComplete;

    private void Awake()
    {
        mainCamera = Camera.main;
        uiCamera = GameObject.FindGameObjectWithTag("UICamera").GetComponent<Camera>();
        text = GetComponent<TextMeshProUGUI>();
        tweenAnimations = GetComponents<DOTweenAnimation>();
        for (int i = 0; i < tweenAnimations.Length; i++)
        {
            tweenAnimations[i].hasOnComplete = true;
            tweenAnimations[i].onComplete.AddListener(OnAnimComplete);
        }
    }

    public void SetText(string text, float fontSize, Color color)
    {
        this.text.color = color;
        this.text.fontSize = fontSize;
        this.text.text = text;
    }

    public void Show()
    {
        gameObject.SetActive(true);
        playCount = tweenAnimations.Length;
        for (int i = 0; i < tweenAnimations.Length; i++)
        {
            tweenAnimations[i].DORestart(true);
        }
    }

    public void Show(Vector2 position)
    {
        var screenPos = mainCamera.WorldToScreenPoint(position);
        RectTransformUtility.ScreenPointToLocalPointInRectangle(transform.parent as RectTransform, screenPos, uiCamera, out Vector2 localPos);
        transform.localPosition = localPos;

        gameObject.SetActive(true);
        playCount = tweenAnimations.Length;
        for (int i = 0; i < tweenAnimations.Length; i++)
        {
            tweenAnimations[i].DORestart(true);
        }
    }

    private void OnAnimComplete()
    {
        playCount--;
        if (playCount == 0)
        {
            OnComplete?.Invoke(this);
            Hide();
        }
    }

    public void Hide()
    {
        gameObject.SetActive(false);
    }
}