/********************************************************************
	文件: TextEx.cs
	作者: 梦语
	邮箱: 1982614048@qq.com
	创建时间: 2024/04/04 01:31:38
	最后修改: 梦语
	最后修改时间: 2024/04/22 13:29:55
	功能: 高级自定义文字组件
*********************************************************************/

using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using TMPro;
using UnityEngine.UI;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif

namespace Ether
{
    public class TextExPreprocesser : ITextPreprocessor
    {
        public Dictionary<int, float> IntervalDic;

        public TextExPreprocesser()
        {
            IntervalDic = new Dictionary<int, float>();
        }

        public string PreprocessText(string text)
        {
            IntervalDic.Clear();

            string processingText = text;

            if (!string.IsNullOrEmpty(text))
            {
                string pattern = "<.*?>";
                Match match = Regex.Match(processingText, pattern);
                while (match.Success)
                {
                    string label = match.Value.Substring(1, match.Length - 2);

                    if (float.TryParse(label, out float result))
                    {
                        IntervalDic[match.Index - 1] = result;
                    }

                    processingText = processingText.Remove(match.Index, match.Length);

                    if (Regex.IsMatch(label, "^sprite=.+"))
                    {
                        processingText = processingText.Insert(match.Index, "*");
                    }

                    match = Regex.Match(processingText, pattern);
                }

                // .    代表任意字符！！！
                // *    代表前一个字符出现零次或多次
                // +    代表前一个字符出现一次或多次
                // ?    代表前一个字符出现零次或一次
                pattern = @"(<(\d+)(\.\d+)?>)|(</r>)|(<r=.*?>)";
                processingText = Regex.Replace(processingText, pattern, "");

                processingText = text;

            }
            return processingText;
        }
    }

    public class TextEx : TextMeshProUGUI
    {
        public TextEx()
        {
            textPreprocessor = new TextExPreprocesser();
        }
        
#if UNITY_EDITOR
        [MenuItem("GameObject/UIEx/TextEx", priority = -999)]
        private static void CreateToggleEx(MenuCommand menuCmd)
        {
            GameObject selection = Selection.activeGameObject;

            CommonExtension.CreateComponent<TextEx>(selection, (obj) =>
            {
                obj.GetComponent<TextEx>().raycastTarget = false;
            });
        }

#endif
    }
}