using System;
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using UnityEngine.UI;

namespace Util
{
    public class UGUILogger : MonoBehaviour
    {
        public Text logText;
        private readonly StringBuilder logContent = new StringBuilder();
        public ScrollRect scrollRect;
        public int maxLines = 10000;       // 最大允许行数
        private readonly Queue<string> logQueue = new Queue<string>();
        public float autoScrollDelay = 10f;
        private Coroutine autoScrollCoroutine;
        private bool isUserInteracting;

        void Start()
        {
            Application.logMessageReceived += (logString, trace, type) => {
                if(logString.Contains("[Info]")) { // 筛选Gameplay标签
                    AddLog(logString);
                }

            };
        }

        public void ClearLog() {
            logContent.Clear();
            logText.text = "";
        }
    
        public void AddLog(string newLog)
        {
            logQueue.Enqueue(newLog);
            // 动态拼接文本
            logText.text = string.Join("\n", logQueue);
            // 强制刷新布局（关键！）
            LayoutRebuilder.ForceRebuildLayoutImmediate(scrollRect.content);
        }
    
        void Update()
        {
            // 强制滚动条位置置底（0为底部，1为顶部）
            scrollRect.verticalNormalizedPosition = 0;
            if (logQueue.Count > maxLines)
            {
                // 触发清空操作
                logQueue.Clear();
                logText.text = "";
                // 重置滚动条位置
                scrollRect.verticalNormalizedPosition = 1;
            }
        }
    }

    public enum LogTag
    {
        Info,
        Warning
    }
    public static class CustomLogger {
        public static void LogWithTag(string message, LogTag tag) {
            Debug.Log($"[{tag}][{DateTime.Now:yyyy-MM-dd HH:mm:ss}]{message}");
        }
    }
}