using System;
using System.Diagnostics;
using System.IO;
using UnityEditor;
using Object = UnityEngine.Object;

namespace TyphoonPool
{
    public class _Editor
    {
        private static string _rootPath = null;

        private static string RootPath
        {
            get
            {
                if (_rootPath == null)
                {
                    var p1 = $"Assets/xgame.unity.pool";
                    var p2 = $"Packages/xgame.unity.pool";
                    if (Directory.Exists(p1))
                    {
                        _rootPath = p1;
                    }
                    else if (Directory.Exists(p2))
                    {
                        _rootPath = p2;
                    }
                }

                return _rootPath;
            }
        }

        [MenuItem("Typhoon/Pool/使用说明")]
        private static void ReadMe()
        {
            var path = $"{RootPath}/typhoon.unity.pool使用说明.pdf";
            if (!File.Exists(path))
            {
                throw new Exception($"找不到：{path}");
            }

            EditorApplication.ExecuteMenuItem("Window/General/Project");
            EditorGUIUtility.PingObject(AssetDatabase.LoadAssetAtPath<Object>(path));
            Process.Start(new FileInfo(path).FullName);
        }
    }
}