using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

public class VRTutorialMenu : MonoBehaviour
{
	public void Init(UnityAction callback, string fileName = "vrcom_tutorial.nei")
	{
		this.m_ManualDataArray.Clear();
		this.m_IndexPage = 0;
		if (!GameUty.FileSystem.IsExistentFile(fileName))
		{
			NDebug.Assert("表がありません。" + fileName, false);
		}
		using (AFileBase afileBase = GameUty.FileSystem.FileOpen(fileName))
		{
			using (CsvParser csvParser = new CsvParser())
			{
				bool condition = csvParser.Open(afileBase);
				NDebug.Assert(condition, fileName + "\nopen failed.");
				for (int i = 1; i < csvParser.max_cell_y; i++)
				{
					if (csvParser.IsCellToExistData(0, i))
					{
						int num = 0;
						int cellAsInteger = csvParser.GetCellAsInteger(num++, i);
						string cellAsString = csvParser.GetCellAsString(num++, i);
						char[] array = csvParser.GetCellAsString(num++, i).ToCharArray();
						bool flag = false;
						for (int j = 0; j < array.Length; j++)
						{
							if (array[j] == ((int)GameMain.Instance.VRDeviceTypeID).ToString().ToCharArray()[0])
							{
								flag = true;
							}
						}
						if (flag)
						{
							this.m_ManualDataArray.Add(new VRTutorialMenu.ManualData(cellAsInteger, cellAsString));
						}
					}
				}
			}
		}
		this.m_ButtonReturn.onClick.RemoveAllListeners();
		if (callback != null)
		{
			this.m_ButtonReturn.onClick.AddListener(callback);
		}
		this.m_ButtonReturn.onClick.AddListener(delegate()
		{
			VRCanvasManager.Instance.OpenVRCanvas(VRCanvasManager.VRCanvasType.MainMenu);
		});
		this.m_ButtonReturn.interactable = false;
		this.ButtonEvent_PageChange(false);
	}

	public void ButtonEvent_PageChange(bool isNextPage)
	{
		this.m_IndexPage += ((!isNextPage) ? -1 : 1);
		this.m_IndexPage = ((this.m_ManualDataArray.Count > this.m_IndexPage) ? this.m_IndexPage : (this.m_ManualDataArray.Count - 1));
		this.m_IndexPage = ((this.m_IndexPage >= 0) ? this.m_IndexPage : 0);
		VRTutorialMenu.ManualData manualData = this.m_ManualDataArray[this.m_IndexPage];
		string path = this.m_uGUIAtlasPath + manualData.ImageName;
		base.StartCoroutine(this.Coroutine_Load<Sprite>(path, delegate(ResourceRequest req)
		{
			this.m_ImageManual.sprite = (req.asset as Sprite);
		}));
		this.m_TextPageNumber.text = (this.m_IndexPage + 1).ToString() + " / " + this.m_ManualDataArray.Count.ToString();
		this.m_ButtonRight.interactable = (this.m_IndexPage < this.m_ManualDataArray.Count - 1);
		this.m_ButtonLeft.interactable = (this.m_IndexPage > 0);
		manualData.IsDisplayed = true;
		bool flag = true;
		for (int i = 0; i < this.m_ManualDataArray.Count; i++)
		{
			flag &= this.m_ManualDataArray[i].IsDisplayed;
		}
		this.m_ButtonReturn.interactable = flag;
	}

	private IEnumerator Coroutine_Load<T>(string path, UnityAction<ResourceRequest> callback) where T : UnityEngine.Object
	{
		ResourceRequest res = Resources.LoadAsync<T>(path);
		while (!res.isDone)
		{
			yield return null;
		}
		callback(res);
		yield break;
	}

	[SerializeField]
	private Image m_ImageManual;

	[SerializeField]
	private Button m_ButtonReturn;

	[SerializeField]
	private Button m_ButtonRight;

	[SerializeField]
	private Button m_ButtonLeft;

	[SerializeField]
	private Text m_TextPageNumber;

	private List<VRTutorialMenu.ManualData> m_ManualDataArray = new List<VRTutorialMenu.ManualData>();

	private int m_IndexPage;

	private string m_uGUIAtlasPath = "SceneVRCommunication\\Tablet\\Sprite\\";

	private class ManualData
	{
		public ManualData(int id, string imageName)
		{
			this.ID = id;
			this.ImageName = imageName;
			this.IsDisplayed = false;
		}

		public int ID;

		public string ImageName;

		public bool IsDisplayed;
	}
}