using System;
using System.IO;
using UnityEditor;
using UnityEngine;
using System.Collections.Generic;

namespace BFEditor
{
	public class ToggleCaseWindow : EditorWindow
	{
	    private string folderPath = "";

		//需要忽略的文件后缀
        private Dictionary<string, bool> ignoreResSuffix = new Dictionary<string, bool>() {
            { ".meta", true },
            { ".ds_store", true },
        };

	    public ToggleCaseWindow()
		{
			this.titleContent = new GUIContent("大小写转换");
		}

		void Awake()
		{
		}

	    private void OnEnable()
	    {
	    }

	    private void OnGUI()
	    {
        #region 设置Excel路径
	        GUILayout.Space(18);
	        GUILayout.BeginHorizontal();
	        GUILayout.Label("需要转换的文件夹路径");
	        GUILayout.TextField(folderPath, GUILayout.Width(280));
	        if (GUILayout.Button("选择", GUILayout.Width(80)))
	        {
	            string openPath = EditorUtility.OpenFolderPanel("select excel path", "", "");
	            if (openPath.CompareTo("") != 0){
	                folderPath = openPath.Replace("\\", "/");
	            }
	        }
	        GUILayout.EndHorizontal();
	        GUILayout.Space(10);
        #endregion

        #region 导出lua
	        GUILayout.BeginHorizontal();
	        GUILayout.Space(150);
	        if (GUILayout.Button("一键转小写", GUILayout.Width(200), GUILayout.Height(40)))
	        {
	            bool succ = OnClickExport();
				if (succ)
				{
					Close();
					EditorUtility.DisplayDialog("成功", "转换成功！", "ok");
				}
				else
				{
					Close();
					EditorUtility.DisplayDialog("失败", "转换失败！", "ok");
				}
	        }
	        GUILayout.EndHorizontal();
	        GUILayout.Space(30);
        #endregion
	    }

		private bool CheckIgnoreOrHidden(FileInfo fi)
        {

            if (((fi.Attributes & FileAttributes.Hidden) > 0) || ((fi.Attributes & FileAttributes.System) > 0))
            {
                return true;
            }

            if (ignoreResSuffix.ContainsKey(fi.Extension.ToLower()))
            {
                return true;
            }

            return false;
        }

	    private bool OnClickExport()
	    {
	        if (string.IsNullOrEmpty(folderPath) || !Directory.Exists(folderPath))
	        {
	            EditorUtility.DisplayDialog("错误", "路径不存在，请先设置正确路径", "ok");
	            return false;
	        }
			var outFolderPath = folderPath + "_out";
			if (!Directory.Exists(outFolderPath))
            {
                Directory.CreateDirectory(outFolderPath);
            }

			var dirInfo = new DirectoryInfo(folderPath);
			var dirs = dirInfo.GetDirectories();
			foreach (var subDirInfo in dirs)
			{
				var subDirPath = subDirInfo.FullName.Replace("\\", "/");;
				var outSubDirPath = subDirPath.Replace(folderPath, outFolderPath);
				if (!Directory.Exists(outSubDirPath))
				{
					Directory.CreateDirectory(outSubDirPath);
				}
			}

			var files = dirInfo.GetFiles("*.*", SearchOption.AllDirectories);
            var assetFiles = new List<string>();

            for (var i = 0; i < files.Length; ++i)
            {
                var fileInfo = files[i];

                if (CheckIgnoreOrHidden(fileInfo))
                {
                    continue;
                }

                var relativePath = fileInfo.FullName.Substring(folderPath.Length + 1).ToLower();
				var outFilePath = Path.Combine(outFolderPath, relativePath);
				File.Copy(fileInfo.FullName, outFilePath, true);
            }
			return true;
	    }
	}
}