using System;
using System.IO;
using Wwise.Wooduan.Editor;
using UnityEditor;
using UnityEngine;

namespace Wwise.Wooduan.Tools
{
	/// <summary>
	/// Update the script reference metadata from serialized assets to remove missing and broken scripts.
	/// </summary>
	internal class ScriptReferenceGuidUpdater : AkWooduanAssetSearcher
	{
		private string _extension;
		private string _oldGuid;
		private string _newGuid;

		private void OnGUI()
		{
			_extension = EditorGUILayout.TextField("Asset Extension", _extension);
			_oldGuid = EditorGUILayout.TextField("Old Guid", _oldGuid);
			_newGuid = EditorGUILayout.TextField("New Guid", _newGuid);

			AkWooduanGuiDrawer.DisplaySearchPath(ref SearchPath);
			if (GUILayout.Button("Update!"))
			{
				CleanUp();
				FindFiles(UpdateAsset, "Updating Scenes", "*." + _extension);
				AssetDatabase.SaveAssets();
				EditorUtility.DisplayDialog("Finished", string.Format("Updated {0} out of {1} Assets!", EditedCount, TotalCount), "OK");
			}
		}

		private void UpdateAsset(string filePath)
		{
			var path = Path.Combine(Application.dataPath, filePath.Substring(7));
			AkWooduanScriptingTools.CheckoutLockedFile(path);
			var text = File.ReadAllText(path);
			var newText = text.Replace(_oldGuid, _newGuid);
			TotalCount++;
			if (text != newText)
			{
				File.WriteAllText(path, newText);
				EditedCount++;
			}
		}
	}
}