using System;
using System.IO;
using LE_LevelEditor.Core;
using LE_LevelEditor.Example;
using LE_LevelEditor.UI;
using LapinerTools.uMyGUI;
using UnityEngine;

namespace LE_LevelEditor.Extensions
{
	public static class LE_FileSelectionHelpers
	{
		public const string POPUP_NAME = "fileselection";

		public const string POPUP_LOADING = "loading";

		public const string POPUP_TEXT = "text";

		public static void SelectLevel(MonoBehaviour p_worker, string p_popupTitle, string p_popupText, Action<int, LE_ExtensionInterface.FileSelectionExtensionLoader.LevelFile[]> p_onSelectedCallback)
		{
			LE_ExtensionInterface.FileSelectionExtensionLoader fileSelectionInstance = LE_ExtensionInterface.FileSelectionInstance;
			p_worker.StartCoroutine(fileSelectionInstance.LevelDB.GetLevelListAsync(delegate(LE_ExtensionInterface.FileSelectionExtensionLoader.LevelFile[] p_levelFiles)
			{
				if (uMyGUI_PopupManager.Instance != null)
				{
					string[] levelNames = LE_ExtensionInterface.FileSelectionExtensionLoader.LevelFile.GetLevelNames(p_levelFiles);
					string[] levelIconPaths = LE_ExtensionInterface.FileSelectionExtensionLoader.LevelFile.GetLevelIconPaths(p_levelFiles);
					((LE_PopupFileSelection)uMyGUI_PopupManager.Instance.ShowPopup("fileselection")).SetFiles(levelNames, levelIconPaths, delegate(int p_selectedIndex)
					{
						p_onSelectedCallback(p_selectedIndex, p_levelFiles);
					}, null, true).SetText(p_popupTitle, p_popupText).ShowButton("close");
				}
			}));
		}

		public static Texture2D DownscaleTexture(Texture2D p_tex, int p_maxHeightBeforeDownscale, int p_maxHeightAfterDownscale)
		{
			Texture2D texture2D = p_tex;
			if (p_tex.height > p_maxHeightBeforeDownscale)
			{
				Texture2D texture2D2 = new Texture2D(p_tex.width, p_tex.height, p_tex.format, true, true);
				texture2D2.SetPixels(p_tex.GetPixels());
				texture2D2.Apply(true);
				int i;
				for (i = 1; (int)((float)p_tex.height / Mathf.Pow(2f, i)) > p_maxHeightAfterDownscale; i++)
				{
				}
				texture2D = new Texture2D((int)((float)p_tex.width / Mathf.Pow(2f, i)), (int)((float)p_tex.height / Mathf.Pow(2f, i)), texture2D2.format, false, true);
				texture2D.SetPixels(texture2D2.GetPixels(i));
				texture2D.Apply();
				UnityEngine.Object.Destroy(texture2D2);
			}
			return texture2D;
		}

		public static void SaveLevel(string p_levelDataFilePath, string p_levelIconFileName, byte[] p_levelData, byte[] p_levelMeta, int p_removedDuplicatesCount)
		{
			Action<string> action = delegate(string p_infoText)
			{
				if (uMyGUI_PopupManager.Instance != null)
				{
					if (p_removedDuplicatesCount > 0)
					{
						string text = p_infoText;
						p_infoText = text + "\n'" + p_removedDuplicatesCount + "' duplicate object(s) removed before saving\n(duplicate = same: object, position, rotation, scale).";
					}
					((uMyGUI_PopupText)uMyGUI_PopupManager.Instance.ShowPopup("text")).SetText("Level Saved", p_infoText).ShowButton("ok");
				}
			};
			LE_SaveLoad.LevelMetaData levelMetaData = LE_SaveLoad.LoadLevelMetaFromByteArray(p_levelMeta, true);
			if (levelMetaData.Icon != null)
			{
				Texture2D texture2D = DownscaleTexture(levelMetaData.Icon, 255, 128);
				string p_filePath = Path.Combine(FisheryEditor_LoadSave.GetSaveFolderPath(), p_levelIconFileName);
				SaveToFile(p_filePath, texture2D.EncodeToPNG());
				UnityEngine.Object.Destroy(levelMetaData.Icon);
				UnityEngine.Object.Destroy(texture2D);
			}
			action(ExampleGame_LoadSave.SaveByFilePath(p_levelDataFilePath, p_levelData, p_levelMeta));
		}

		public static void SaveToFile(string p_filePath, byte[] p_fileContents)
		{
			using (FileStream fileStream = File.Open(p_filePath, FileMode.Create))
			{
				fileStream.Write(p_fileContents, 0, p_fileContents.Length);
			}
		}
	}
}