using System.Collections;
using System.Collections.Generic;
using System.IO;
using GISTech.GISTerrainLoader;
using UnityEngine;
using UnityEngine.UI;

public class SelectTextureLayer : MonoBehaviour
{
	public Dropdown UILayers;

	private string TerrainFilePath;

	private GISTerrainLoaderPrefs Prefs;

	private GISTerrainLoaderRuntimePrefs RuntimePrefs;

	private RuntimeTerrainGenerator RuntimeGenerator;

	private void Start()
	{
		TerrainFilePath = Application.streamingAssetsPath + "/GIS Terrains/MultiTextures/TIFF.tif";
		RuntimeGenerator = GISTerrainLoaderMonoSingleton<RuntimeTerrainGenerator>.Get;
		RuntimePrefs = GISTerrainLoaderMonoSingleton<GISTerrainLoaderRuntimePrefs>.Get;
		Prefs = RuntimePrefs.Prefs;
		UILayers.onValueChanged.AddListener(OnUILayerValueChanged);
		SetUILayers();
		StartCoroutine(GenerateTerrain(TerrainFilePath));
	}

	private IEnumerator GenerateTerrain(string TerrainPath)
	{
		yield return new WaitForSeconds(0.5f);
		if ((Application.platform == RuntimePlatform.WindowsEditor || Application.platform == RuntimePlatform.WindowsPlayer) && (string.IsNullOrEmpty(TerrainPath) || !File.Exists(TerrainPath)))
		{
			Debug.LogError("Terrain file null or not supported.. Try againe");
			yield break;
		}
		InitializingRuntimePrefs();
		StartCoroutine(RuntimeGenerator.StartGenerating(Prefs));
	}

	private void InitializingRuntimePrefs()
	{
		RuntimeGenerator.enabled = true;
		Prefs.TerrainFilePath = TerrainFilePath;
		Prefs.RemovePrvTerrain = OptionEnabDisab.Enable;
		Prefs.TerrainElevation = TerrainElevation.RealWorldElevation;
		Prefs.terrainDimensionMode = TerrainDimensionsMode.AutoDetection;
		Prefs.terrainScale = new Vector3(1f, 1f, 1f);
		Prefs.projectionMode = ProjectionMode.Geographic;
		Prefs.heightmapResolution = 257;
		Prefs.textureloadingMode = TexturesLoadingMode.AutoDetection;
		Prefs.textureMode = TextureMode.MultiTexture;
	}

	private void SetUILayers()
	{
		List<string> fullTextureFolders = GISTerrainLoaderTextureGenerator.GetFullTextureFolders(TerrainFilePath);
		List<Dropdown.OptionData> list = new List<Dropdown.OptionData>();
		if (fullTextureFolders.Count > 0)
		{
			for (int i = 0; i < fullTextureFolders.Count; i++)
			{
				list.Add(new Dropdown.OptionData("Layer_" + i));
			}
			UILayers.ClearOptions();
			UILayers.AddOptions(list);
		}
	}

	private void OnUILayerValueChanged(int value)
	{
		Prefs.TextureFolderIndex = value;
		StartCoroutine(RuntimeGenerator.GeneratedContainer.GenerateTextures(Prefs, ClearLayers: true));
	}

	private void OnDisable()
	{
		UILayers.onValueChanged.RemoveListener(OnUILayerValueChanged);
	}
}