using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using TMPro;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

namespace ZEditor
{
    class UIEditorData
    {
        public Transform tran;
        public string uiType;
        public string uiName;
        public string uiLinstenerName;
    }

    [InitializeOnLoad]
    public class ZUITool : UnityEditor.Editor
    {
        private static string logicFolderPath = $"{Application.dataPath}/ZXL/Scripts/UI/Logic";
        private static string templatePath = $"{Application.dataPath}/ZXL/Scripts/Editor/UILogicTemplate.txt";

        static void FindUI(Transform tran, ref List<GameObject> list)
        {
            if (tran.name.Contains("tog") ||
                tran.name.Contains("img") ||
                tran.name.Contains("inp") ||
                tran.name.Contains("txt") ||
                tran.name.Contains("sli") ||
                tran.name.Contains("pan") ||
                tran.name.Contains("raw") ||
                tran.name.Contains("dro") ||
                tran.name.Contains("btn"))
            {
                list.Add(tran.gameObject);
            }

            for (var i = 0; i < tran.childCount; i++)
            {
                FindUI(tran.GetChild(i), ref list);
            }
        }

        [MenuItem("GameObject/ZTool/UITool/自动生成绑定数据")]
        public static void FindClassAndGenBindData()
        {
            // var go = Selection.activeObject as GameObject;
            foreach (var go in Selection.gameObjects)
            {
                var list = new List<GameObject>();
                FindUI(go.transform, ref list);

                var substring = go.name + "Logic";
                Debug.Log(substring);

                string filePath = $"{logicFolderPath}/{substring}.cs";
                string allText;
                if (!Directory.Exists(logicFolderPath))
                {
                    Directory.CreateDirectory(logicFolderPath);
                }

                if (!File.Exists(filePath))
                {
                    File.Create(filePath).Dispose();
                    allText = File.ReadAllText(templatePath);
                }
                else
                {
                    allText = File.ReadAllText(filePath);
                }

                allText = allText.Replace("#CLASSNAME#", substring);

                allText = allText.Replace("#VARIABLEDEFINITION#", ReplaceVD(list));
                allText = allText.Replace("#INITFIND#", ReplaceInitBind(list));
                allText = allText.Replace("#INITADDLISTENER#", ReplaceInitAddListener(list));
                allText = allText.Replace("#METHOD#", ReplaceAddMethod(list));
                allText = allText.Replace("#DISPOSE#", ReplaceDisposeRemoveListener(list));
                allText = allText.Replace("#DISPOSEISNULL#", ReplaceDisposeIsNull(list));

                File.WriteAllText(filePath, allText);
                Debug.Log("自动生成绑定数据 完成");
            }
            
            AssetDatabase.Refresh();
        }

        static string ReplaceVD(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                sb.AppendLine($"public {typeStr} {data.name};");
            }

            return sb.ToString();
        }

        static string ReplaceInitBind(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                sb.AppendLine($"{data.name} = transform.FindChildDeep<{typeStr}>(\"{data.name}\");");
            }

            return sb.ToString();
        }

        static string ReplaceInitAddListener(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                if (typeStr == nameof(Button))
                {
                    sb.AppendLine($"{data.name}.onClick.AddListener(OnClick{data.name});");
                }
                else if (typeStr == nameof(Slider) || typeStr == nameof(Toggle))
                {
                    sb.AppendLine($"{data.name}.onValueChanged.AddListener(OnValueChanged{data.name});");
                }
            }

            return sb.ToString();
        }

        static string ReplaceAddMethod(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                if (typeStr == nameof(Button))
                {
                    sb.AppendLine($"private void OnClick{data.name}() {{}}");
                }
                else if (typeStr == nameof(Slider))
                {
                    sb.AppendLine($"private void OnValueChanged{data.name}(float f) {{}}");
                }
                else if (typeStr == nameof(Toggle))
                {
                    sb.AppendLine($"private void OnValueChanged{data.name}(bool b) {{}}");
                }
            }

            return sb.ToString();
        }

        static string ReplaceDisposeRemoveListener(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                if (typeStr == nameof(Button))
                {
                    sb.AppendLine($"{data.name}.onClick.RemoveListener(OnClick{data.name});");
                }
                else if (typeStr == nameof(Slider) || typeStr == nameof(Toggle))
                {
                    sb.AppendLine($"{data.name}.onValueChanged.RemoveListener(OnValueChanged{data.name});");
                }
            }

            return sb.ToString();
        }

        static string ReplaceDisposeIsNull(IReadOnlyList<GameObject> Datas) // 定义
        {
            StringBuilder sb = new StringBuilder();
            foreach (var data in Datas)
            {
                var typeStr = CheckType(data);
                sb.AppendLine($"{data.name} = null;");
            }

            return sb.ToString();
        }

        static string CheckType(GameObject go)
        {
            if (go.TryGetComponent(out Button button))
            {
                return nameof(Button);
            }
            else if (go.TryGetComponent(out TMP_InputField inputField_TMP))
            {
                return nameof(TMP_InputField);
            }
            else if (go.TryGetComponent(out InputField inputField))
            {
                return nameof(InputField);
            }
            else if (go.TryGetComponent(out Slider slider))
            {
                return nameof(Slider);
            }
            else if (go.TryGetComponent(out Toggle toggle))
            {
                return nameof(Toggle);
            }
            else if (go.TryGetComponent(out TMP_Text tmpText))
            {
                return nameof(TMP_Text);
            }
            else if (go.TryGetComponent(out Text text))
            {
                return nameof(Text);
            }
            else if (go.TryGetComponent(out RawImage rawImage))
            {
                return nameof(RawImage);
            }
            else if (go.TryGetComponent(out Dropdown dropdown))
            {
                return nameof(Dropdown);
            }
            else if (go.TryGetComponent(out Image image))
            {
                return nameof(Image);
            }

            return String.Empty;
        }
    }
}