using System.Collections;
using Sirenix.OdinInspector;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace BlueWater.Uis
{
    public class FieldBossHealthPointUi : MonoBehaviour
    {
        [SerializeField, Required]
        private Slider _slider;
        
        [SerializeField, Required]
        private TMP_Text _nameText;
        
        [SerializeField, Required]
        private Slider _damageEffectSlider;
        
        [SerializeField]
        private float _duration = 1f;

        private Coroutine _damageEffectCoroutineInstance;
        private bool _isInitialized;

        [Button("컴포넌트 초기화")]
        private void InitializeComponents()
        {
            _slider = GetComponent<Slider>();
            _nameText = transform.Find("NameText").GetComponent<TMP_Text>();
            _damageEffectSlider = transform.Find("Background/DamageEffectSlider").GetComponent<Slider>();
        }

        private void Awake()
        {
            SetActiveHpSlider(false);
        }

        public void SetBoss(int maxHp, string bossName)
        {
            if (!_slider || !_damageEffectSlider) return;

            if (_damageEffectCoroutineInstance != null)
            {
                StopCoroutine(_damageEffectCoroutineInstance);
                _damageEffectCoroutineInstance = null;
            }
            
            _slider.maxValue = maxHp;
            _damageEffectSlider.maxValue = maxHp;

            _slider.value = maxHp;
            _damageEffectSlider.value = maxHp;

            _nameText.text = _nameText ? bossName : null;

            SetActiveHpSlider(true);
        }
        
        public void SetCurrentHealthPoint(int value, string bossName)
        {
            if (!_slider || !_damageEffectSlider) return;

            if (!string.IsNullOrEmpty(bossName) && !_nameText.text.Equals(bossName))
            {
                _nameText.text = bossName;
            }
            
            _damageEffectCoroutineInstance = StartCoroutine(DamageEffect(value));
        }
        
        private IEnumerator DamageEffect(int value)
        {
            var previousHp = _slider.value;
            var tick = (previousHp - value) / _duration;
            
            _slider.value = value;
            
            while (_damageEffectSlider.value > value)
            {
                _damageEffectSlider.value -= tick * Time.deltaTime;
                yield return null;
            }

            _damageEffectSlider.value = value;

            if (_damageEffectSlider.value == 0)
            {
                SetActiveHpSlider(false);
            }
        }

        public void SetActiveHpSlider(bool value) => gameObject.SetActive(value);
    }
}