using System.IO;
using Fluctio.FluctioSim.Common.Configuration;
using Fluctio.FluctioSim.EditorUtils.EditorGeneral;
using JetBrains.Annotations;
using UnityEditor;
using UnityEngine;

namespace Fluctio.FluctioSim.Common.Icons
{
	public static class DefinedIcons
	{
		#region Functions
		
		// Custom icons are taken from https://www.iconsdb.com/ and are allowed to use without any attribution
		// https://www.iconsdb.com/custom-color/{iconFileNameWithoutExtension}-icon.html
		[Pure]
		private static Texture2D GetCustomIcon(params string[] pathComponents)
		{
			try
			{
				var icon = EditorUtil.LoadAsset<Texture2D>(Config.IconsFolderGuid, pathComponents);
				return icon;
			}
			catch (FileNotFoundException)
			{
				EditorApplication.delayCall += EditorUtility.RequestScriptReload;
				return null;
			}
		}
		
		[Pure]
		private static Texture2D GetBuiltinIcon(string name)
		{
			return (Texture2D)EditorGUIUtility.IconContent(name).image;
		}

		[CanBeNull]
		[Pure]
		public static Texture2D GetWhiteVersion(Texture2D icon)
		{
			var path = AssetDatabase.GetAssetPath(icon);
			if (string.IsNullOrEmpty(path))
			{
				return null;
			}
			
			var filename = Path.GetFileNameWithoutExtension(path);
			if (filename.EndsWith("_white"))
			{
				return icon;
			}

			var directory = Path.GetDirectoryName(path) ?? "";
			var extension = Path.GetExtension(path);
			var whitePath = Path.Combine(directory, $"{filename}_white{extension}");
			var whiteIcon = AssetDatabase.LoadAssetAtPath<Texture2D>(whitePath);
			return whiteIcon;
		}
		
		#endregion
		
		#region General
		public static Texture2D Logo => GetCustomIcon("Other", "logo.png");
		public static Texture2D MoreComponents => GetCustomIcon("Other", "ellipsis_white.png");
		public static Texture2D FilePicker => GetCustomIcon("Other", "full-folder.png");
		public static Texture2D DefaultProfilePicture => GetCustomIcon("Other", "user.png");
		public static Texture2D GameObject => GetBuiltinIcon("d_GameObject Icon");
		#endregion
		
		#region Dependency Status
		public static Texture2D DependencyLoading => GetCustomIcon("Status", "refresh-2.png");
		public static Texture2D DependencyProblem => GetCustomIcon("Status", "warning-5.png");
		public static Texture2D DependencyOk => GetCustomIcon("Status", "check-mark-11.png");
		#endregion

		#region Mujoco Components
		public static Texture2D ComponentJoint => GetCustomIcon("Components", "Mujoco", "circle-dashed-4.png");
		public static Texture2D ComponentStructure => GetCustomIcon("Components", "Mujoco", "align-center.png");
		public static Texture2D ComponentColor => GetCustomIcon("Components", "Mujoco", "brush-2.png");
		public static Texture2D ComponentSize => GetCustomIcon("Components", "Mujoco", "resize-5.png");
		public static Texture2D ComponentPhysicalProperties => GetCustomIcon("Components", "Mujoco", "atomic.png");
		public static Texture2D ComponentHeightMapLayer => GetCustomIcon("Components", "Mujoco", "layers-2.png");
		#endregion
		
		#region MachineLearning Components
		public static Texture2D ComponentAgent => GetCustomIcon("Components", "MachineLearning", "teacher.png");
		public static Texture2D ComponentTrainingArea => GetCustomIcon("Components", "MachineLearning", "map-6.png");
		public static Texture2D ComponentSensor => GetCustomIcon("Components", "MachineLearning", "antenna-5.png");
		public static Texture2D ComponentActuator => GetCustomIcon("Components", "MachineLearning", "resize-10.png");
		public static Texture2D ComponentRewardAdder => GetCustomIcon("Components", "MachineLearning", "arrow-up-6.png");
		public static Texture2D ComponentEpisodeEnder => GetCustomIcon("Components", "MachineLearning", "flag.png");
		public static Texture2D ComponentMujocoChainReseter => GetCustomIcon("Components", "MachineLearning", "undo.png");
		public static Texture2D ComponentComponentEnabler => GetCustomIcon("Components", "MachineLearning", "check-mark.png");
		public static Texture2D LogInfoAction => GetCustomIcon("Components", "MachineLearning", "message-2.png");
		public static Texture2D ComponentRewardCalculator => GetCustomIcon("Components", "MachineLearning", "pi-sign.png");
		public static Texture2D ComponentTrigger => GetCustomIcon("Components", "MachineLearning", "arrow-48.png");
		public static Texture2D ComponentRandomization => GetCustomIcon("Components", "MachineLearning", "random.png");
		#endregion
	}
}