using System;
using UnityEngine;

[ExecuteInEditMode]
public class BarPresentation : MonoBehaviour
{
	[Serializable]
	public class Slide
	{
		public GameObject gameObject;

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

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

	public int currentSlideNum = 1;

	public GameObject slidesBar;

	public Slide[] slides;

	private Slide currentSlide;

	private EnergyBar bar;

	private void Start()
	{
		bar = slidesBar.GetComponent<EnergyBar>();
		bar.valueMax = slides.Length;
		HideAll();
	}

	private void Update()
	{
		if (slides.Length != 0)
		{
			if (currentSlide == null)
			{
				ChangeSlide(currentSlideNum);
			}
			currentSlideNum = Mathf.Clamp(currentSlideNum, 1, slides.Length);
			bar.valueCurrent = currentSlideNum;
		}
	}

	private void OnGUI()
	{
		if (slides.Length != 0)
		{
			if (currentSlideNum != 1 && GUI.Button(new Rect(140f, 15f, 80f, 30f), "<< Prev"))
			{
				PreviousSlide();
			}
			if (currentSlideNum != slides.Length && GUI.Button(new Rect(580f, 15f, 80f, 30f), "Next >>"))
			{
				NextSlide();
			}
			if (currentSlideNum <= slides.Length)
			{
			}
		}
	}

	private void HideAll()
	{
		Slide[] array = slides;
		foreach (Slide slide in array)
		{
			slide.Hide();
		}
	}

	private void NextSlide()
	{
		ChangeSlide(currentSlideNum + 1);
	}

	private void PreviousSlide()
	{
		ChangeSlide(currentSlideNum - 1);
	}

	private void ChangeSlide(int num)
	{
		if (currentSlide != null)
		{
			currentSlide.Hide();
		}
		currentSlide = slides[num - 1];
		currentSlide.Show();
		currentSlideNum = num;
	}
}