using System;
using Data;
using Events;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace UI
{
    public class HealthBar : MonoBehaviour
    {
        [Header("Events")]
        [SerializeField] private EventBroker eventBroker;
    
        [Header("Values")] 
        [SerializeField] private FloatValue maxHealth;
        [SerializeField] private FloatValue health;

        [Header("References")] 
        [SerializeField] private Image fillingImage;
        [SerializeField] private TextMeshProUGUI deadText;
        
        private void Awake()
        {
            fillingImage.type = Image.Type.Filled;
            fillingImage.fillMethod = Image.FillMethod.Horizontal;
            deadText.gameObject.SetActive(false);
        }

        private void OnEnable()
        {
            eventBroker.PlayerDied += OnPlayerDied;
        }

        private void OnDisable()
        {
            eventBroker.PlayerDied -= OnPlayerDied;
        }

        private void Update()
        {
            fillingImage.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal,
                Mathf.Clamp01(health.Value / maxHealth.Value) * 200.0f);
        }

        private void OnPlayerDied()
        {
            fillingImage.fillAmount = 0.0f;
            fillingImage.color = Color.red;
            deadText.gameObject.SetActive(true);
        }
    }
}