using System;
using System.Collections;
using Invector;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace Beyond
{
    [vClassHeader("Item Collection HUD", helpBoxText = "Contains all behaviour to show messages sended")]
    public class bItemCollectionTextHUD : MonoBehaviour
    {
        [SerializeField]
        private TMP_Text message;

        /// <summary>
        /// Show a Message on the HUD
        /// </summary>
        /// <param name="message">message to show</param>
        /// <param name="timeToStay">time to stay showing</param>
        /// <param name="timeToFadeOut">time to fade out</param>
        ///
        ///
        private Action textsToShowOnEnabe;

        private bool hasStartedTimer = false;

        private void OnEnable()
        {
            if (textsToShowOnEnabe != null)
            {
                textsToShowOnEnabe.Invoke();
            }
            else if (hasStartedTimer)
            {
                Destroy(gameObject);
            }
        }

        public void Show(string message, float timeToStay = 1, float timeToFadeOut = 1)
        {
            this.message.text = message;
            if (gameObject.activeInHierarchy)
            {
                StartCoroutine(TimerCoroutine(timeToStay, timeToFadeOut));
            }
            else
            {
                textsToShowOnEnabe = () => StartTimer(timeToStay, timeToFadeOut);
            }
        }

        private void StartTimer(float timeToStay = 1, float timeToFadeOut = 1)
        {
            StartCoroutine(TimerCoroutine(timeToStay, timeToFadeOut));
            textsToShowOnEnabe = null;//()=> StartTimer(timeToStay, timeToFadeOut);
        }

        private IEnumerator TimerCoroutine(float timeToStay = 1, float timeToFadeOut = 1)
        {
            hasStartedTimer = true;
            message.CrossFadeAlpha(1, 0.5f, false);
            yield return new WaitForSeconds(timeToStay);
            message.CrossFadeAlpha(0, timeToFadeOut, false);
            yield return new WaitForSeconds(timeToFadeOut + 0.1f);
            Destroy(gameObject);
        }

        private void Awake()
        {
            Clear();
        }

        /// <summary>
        /// Clear message text display
        /// </summary>
        ///
        public void Clear()
        {
            message.text = "";
            message.CrossFadeAlpha(0, 0, false);
        }
    }
}