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

public class UICtrlGenerateWindow:EditorWindow
{
    public GameObject selectObj;            //要生成脚本的UI预设
    public bool isCreateDir;                //是否新建文件夹
    public string createInDir;

    private GameObject _lastGo;
    private string _createDir;

    private string _curDir;

    private bool _isAdmitRepeat;
    
    [MenuItem("Tools/*UI/UI脚本自动生成工具", false, (int)NLDMenuID.UITools)]
    static void ShowWindow()
    {
        UICtrlGenerateWindow window = (UICtrlGenerateWindow)EditorWindow.GetWindow(typeof(UICtrlGenerateWindow));
        if (Selection.gameObjects.Length > 0 && Selection.gameObjects[0])
        {
            window.selectObj = Selection.gameObjects[0];
        }
    }

    static void ShowWindow(GameObject go)
    {
        UICtrlGenerateWindow window = (UICtrlGenerateWindow)EditorWindow.GetWindow(typeof(UICtrlGenerateWindow));
        window.selectObj = go;
    }

    public static void ShowGenerateWindow(GameObject go = null)
    {
        ShowWindow();
    }

    private void OnGUI()
    {
        GUILayout.BeginVertical();
        
        GUILayout.Space(8);
        GUI.skin.label.fontSize = 18;
        GUI.skin.label.alignment = TextAnchor.MiddleCenter;
        GUILayout.Label("UI代码生成工具");

        //默认路径是
        GUILayout.Space(10);
        GUI.skin.label.fontSize = 12;
        GUI.skin.label.alignment = TextAnchor.MiddleLeft;
        GUILayout.Label("生成路径:");
        GUILayout.BeginHorizontal();
        GUILayout.Space(5);
        string defaultPath = GetUIPath.filePath;
        string curPath = "";
        string fileName = "";
        if (createInDir != null)
        {
            createInDir.Replace('\\', '/');
            curPath = createInDir;
        }
        
        if (selectObj)
        {
            if (_lastGo != selectObj)
            {
                fileName = selectObj.name + "Controller.cs";
                _lastGo = selectObj;
                if (createInDir == null || createInDir.Length <= 0)
                {
                    createInDir = defaultPath;
                    curPath = createInDir;
                }
                if (curPath.EndsWith("/"))
                {
                    curPath += fileName;
                }
                else if (curPath.EndsWith(".cs"))
                {
                    int idx = curPath.Length - 1;
                    while (!curPath[idx].Equals('/'))
                    {
                        idx -= 1;
                    }
            
                    curPath = curPath.Remove(idx + 1);
                    curPath += fileName;
                }
                else
                {
                    curPath += '/';
                    curPath += fileName;
                }

                createInDir = curPath;
            }
            createInDir.Replace('\\', '/');
        }
        else
        {
            if (createInDir == null || createInDir.Length <= 0)
            {
                createInDir = defaultPath;
            }
            createInDir.Replace('\\', '/');
        }
        createInDir.Replace('\\', '/');
        createInDir = EditorGUILayout.TextArea(createInDir, GUILayout.MinWidth(150));
        GUILayout.EndHorizontal();
        
        GUILayout.Space(10);
        selectObj = (GameObject)EditorGUILayout.ObjectField("选中的UIPrefab:", selectObj, typeof(GameObject), 
            true, GUILayout.MinWidth(100));
        
        GUILayout.Space(10);
        var newVal = EditorGUILayout.Toggle("是否允许重名", _isAdmitRepeat);
        _isAdmitRepeat = newVal;

        // GUILayout.Space(10);
        // isCreateDir = EditorGUILayout.Toggle("是否新建文件夹", isCreateDir);

        GUILayout.Space(20);
        if (GUILayout.Button("生成", GUILayout.Width(80)))
        {
            Genarate();
        }
        
        GUILayout.EndVertical();
    }

    void Genarate()
    {
        if (selectObj)
        {
            GetUIPath.CreateScript(selectObj, createInDir, _isAdmitRepeat);
        }
    }
}