using UnityEngine;
using UnityEngine.UI;
using static StoveCounter;

namespace UI
{
	public class ProgressBarUI : MonoBehaviour
	{
		[SerializeField] private GameObject hasProgressGameObject;
		[SerializeField] private Image barImage;

		private IHasProgress hasProgress;

		private void Start()
		{
			if (!hasProgressGameObject.TryGetComponent<IHasProgress>(out hasProgress))
			{
				Debug.LogError($"Game Object {hasProgressGameObject} does not have a component that implements IHasProgress!");
			}
			else
			{
				hasProgress.OnProgressChanged += HasProgress_OnProgressChanged;
			}

			barImage.fillAmount = 0f;
			Hide();
		}

		private void HasProgress_OnProgressChanged(object sender, IHasProgress.ProgressChangedEventArgs e)
		{
			barImage.fillAmount = e.ProgressNormalized;

			barImage.color = e.State == State.Fried
				? Color.Lerp(Color.green, Color.red, t: e.ProgressNormalized)
				: Color.Lerp(Color.blue, Color.green, t: e.ProgressNormalized);

			if (e.ProgressNormalized is 0f or 1f)
			{
				Hide();
			}
			else
			{
				Show();
			}
		}

		private void Show()
		{
			gameObject.SetActive(true);
		}

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