using UnityEngine;
using UnityEditor;
using ModTool.Shared;
using System;

namespace ModTool.Editor.Exporting
{
	[CustomEditor(typeof(ExportSettings))]
	public class ExportSettingsEditor : UnityEditor.Editor
	{
		private SerializedProperty _name;
		private SerializedProperty _author;
		private SerializedProperty _description;
		private SerializedProperty _version;
		private SerializedProperty _creationDate;
		private SerializedProperty _platforms;
		private SerializedProperty _content;
		private SerializedProperty _outputDirectory;
		private SerializedProperty _coverImage;

		private FilteredEnumMaskField platforms;
		private FilteredEnumMaskField content;

		void OnEnable()
		{
			_name = serializedObject.FindProperty("_name");
			_author = serializedObject.FindProperty("_author");
			_description = serializedObject.FindProperty("_description");
			_version = serializedObject.FindProperty("_version");
			_creationDate = serializedObject.FindProperty("_creationDate");
			_platforms = serializedObject.FindProperty("_platforms");
			_content = serializedObject.FindProperty("_content");
			_outputDirectory = serializedObject.FindProperty("_outputDirectory");
			_coverImage = serializedObject.FindProperty("_coverImage");

			platforms = new FilteredEnumMaskField(typeof(ModPlatform), (int)ModToolSettings.supportedPlatforms);
			content = new FilteredEnumMaskField(typeof(ModContent), (int)ModToolSettings.supportedContent);
		}

		public override void OnInspectorGUI()
		{
			serializedObject.Update();

			EditorGUILayout.BeginVertical(EditorStyles.helpBox);

			GUILayout.Space(5);

			EditorGUILayout.PropertyField(_name, new GUIContent("Mod Name*:"));
			EditorGUILayout.PropertyField(_author, new GUIContent("Author:"));
			EditorGUILayout.PropertyField(_version, new GUIContent("Version:"));
			EditorGUILayout.PropertyField(_creationDate, new GUIContent("Creation Date:"));

			EditorGUILayout.PropertyField(_description, new GUIContent("Description:"), GUILayout.Height(60));

			GUILayout.Space(5);

			_platforms.intValue = platforms.DoMaskField("Platforms*:", _platforms.intValue);
			_content.intValue = content.DoMaskField("Content*:", _content.intValue);
			_creationDate.stringValue = DateTime.Now.ToString();
			
			EditorGUILayout.PropertyField(_coverImage, new GUIContent("Cover Image"));

			ModToolSettings.logLevel = (LogLevel)EditorGUILayout.EnumPopup("Log Level:", ModToolSettings.logLevel);

			bool enabled = GUI.enabled;

			GUILayout.BeginHorizontal();

			GUI.enabled = false;

			EditorGUILayout.TextField("Output Directory*:", GetShortString(_outputDirectory.stringValue));

			GUI.enabled = enabled;

			if (GUILayout.Button("...", GUILayout.Width(30)))
			{
				string selectedDirectory = EditorUtility.SaveFolderPanel("Choose output directory", _outputDirectory.stringValue, "");
				if (!string.IsNullOrEmpty(selectedDirectory))
					_outputDirectory.stringValue = selectedDirectory;

				Repaint();
			}

			GUILayout.EndHorizontal();

			GUILayout.FlexibleSpace();

			EditorGUILayout.EndVertical();

			serializedObject.ApplyModifiedProperties();
		}

		private string GetShortString(string str)
		{
			int maxWidth = (int)EditorGUIUtility.currentViewWidth - 252;
			int cutoffIndex = Mathf.Max(0, str.Length - 7 - (maxWidth / 7));
			string shortString = str.Substring(cutoffIndex);
			if (cutoffIndex > 0)
				shortString = "..." + shortString;
			return shortString;
		}
	}
}