using System.Collections;
using System.IO;
using UnityEngine;
using UnityEngine.UI;

namespace GISTech.GISTerrainLoader
{
	public class GISVirtualTextureTerrainGenerator : MonoBehaviour
	{
		public KeyCode GenerateKey;

		public WayPoints GeoWaypoints;

		public AirplaneDemo AirPlane;

		public Text UIText;

		public bool InstantiateGameObjects;

		private string TerrainFilePath;

		private RuntimeTerrainGenerator RuntimeGenerator;

		private GISTerrainLoaderPrefs Prefs;

		private GISTerrainLoaderRuntimePrefs RuntimePrefs;

		[HideInInspector]
		public bool TerrainGenerated;

		private void Start()
		{
			TerrainFilePath = Application.streamingAssetsPath + "/GIS Terrains/GISVirtualTexture/Tererro.tif";
			RuntimePrefs = GISTerrainLoaderMonoSingleton<GISTerrainLoaderRuntimePrefs>.Get;
			Prefs = RuntimePrefs.Prefs;
			RuntimeGenerator = GISTerrainLoaderMonoSingleton<RuntimeTerrainGenerator>.Get;
			RuntimeTerrainGenerator.OnFinish += OnTerrainGeneratingCompleted;
			if (Application.platform == RuntimePlatform.WebGLPlayer || Application.platform == RuntimePlatform.Android || Application.platform == RuntimePlatform.IPhonePlayer)
			{
				StartCoroutine(GenerateTerrain(TerrainFilePath));
			}
		}

		private void Update()
		{
			if (Input.GetKeyDown(GenerateKey))
			{
				StartCoroutine(GenerateTerrain(TerrainFilePath));
			}
			if (TerrainGenerated)
			{
				UIText.text = "Latitude: " + AirPlane.GetAirPlaneLatLonElevation().y + " \nLongitude: " + AirPlane.GetAirPlaneLatLonElevation().x + " \nElevation:" + AirPlane.GetAirPlaneLatLonElevation().z + " m";
			}
		}

		private IEnumerator GenerateTerrain(string TerrainPath)
		{
			yield return new WaitForSeconds(2f);
			if (Application.platform == RuntimePlatform.WindowsEditor || Application.platform == RuntimePlatform.WindowsPlayer)
			{
				if (!string.IsNullOrEmpty(TerrainPath) && File.Exists(TerrainPath))
				{
					InitializingRuntimePrefs(TerrainPath);
					StartCoroutine(RuntimeGenerator.StartGenerating(Prefs));
				}
				else
				{
					Debug.LogError("Terrain file null or not supported.. Try againe");
					yield return null;
				}
			}
			else if (Application.platform == RuntimePlatform.WebGLPlayer || Application.platform == RuntimePlatform.Android || Application.platform == RuntimePlatform.IPhonePlayer)
			{
				InitializingRuntimePrefs(TerrainPath);
				StartCoroutine(RuntimeGenerator.StartGenerating(Prefs));
			}
		}

		private void InitializingRuntimePrefs(string TerrainPath)
		{
			RuntimeGenerator.enabled = true;
			Prefs.TerrainFilePath = TerrainPath;
			Prefs.RemovePrvTerrain = OptionEnabDisab.Enable;
			Prefs.TerrainElevation = TerrainElevation.RealWorldElevation;
			Prefs.terrainDimensionMode = TerrainDimensionsMode.AutoDetection;
			Prefs.heightmapResolution = 4097;
			Prefs.textureMode = TextureMode.WithoutTexture;
			Debug.Log("GIS Virtual Texture Not instaled on your project");
		}

		private void OnTerrainGeneratingCompleted(GISTerrainContainer m_container)
		{
			GeoWaypoints.ConvertLatLonToSpacePosition(RuntimeGenerator.GeneratedContainer, InstantiateGameObjects);
			AirPlane.OnTerrainGeneratingCompleted();
			TerrainGenerated = true;
			Debug.Log("GIS Virtual Texture Not instaled on your project");
		}
	}
}