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

namespace Douyin.LiveOpenSDK
{



    public static class LogManager
    {
        private static string logPath = Path.Combine(Application.persistentDataPath, "GameLogs");
        private static int maxLogFiles = 7;
        private static LogLevel currentLogLevel = LogLevel.Verbose;

        public enum LogLevel
        {
            Error = 0,
            Warning = 1,
            Info = 2,
            Verbose = 3
        }

        [RuntimeInitializeOnLoadMethod]
        private static void Initialize()
        {
            if (!Directory.Exists(logPath))
            {
                Directory.CreateDirectory(logPath);
            }
            CleanOldLogs();
        }

        public static void Log(string message, LogLevel level = LogLevel.Info)
        {
            if (level > currentLogLevel) return;

            string logFile = Path.Combine(logPath, $"{DateTime.Now:yyyy-MM-dd}.log");
            string logMessage = $"[{DateTime.Now:HH:mm:ss}] [{level}] {message}\n";

            try
            {
                File.AppendAllText(logFile, logMessage);
            }
            catch (Exception e)
            {
                Debug.LogError($"Failed to write log: {e.Message}");
            }
        }

        private static void CleanOldLogs()
        {
            try
            {
                var files = new DirectoryInfo(logPath).GetFiles("*.log");
                if (files.Length > maxLogFiles)
                {
                    Array.Sort(files, (a, b) => b.CreationTime.CompareTo(a.CreationTime));
                    for (int i = maxLogFiles; i < files.Length; i++)
                    {
                        files[i].Delete();
                    }
                }
            }
            catch (Exception e)
            {
                Debug.LogError($"Failed to clean logs: {e.Message}");
            }
        }

        public static void SetLogLevel(LogLevel level)
        {
            currentLogLevel = level;
        }
    }

}