using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEAWCS_Core.Helper;

namespace WIDESEAWCS_Core.LogHelper
{
    public class QuartzLogger
    {
        static ReaderWriterLockSlim LogWriteLock = new ReaderWriterLockSlim();
        static string folderPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, $"Log\\{DateTime.Now.ToString("yyyy-MM-dd")}");

        public static void WriteLogToFile(string fileName, string log)
        {
            try
            {
                // 进入写锁
                LogWriteLock.EnterWriteLock();

                // 如果文件夹不存在，则创建文件夹
                if (!Directory.Exists(folderPath))
                {
                    Directory.CreateDirectory(folderPath);
                }
                // 获取日志文件路径
                string logFilePath = Path.Combine(folderPath, GetLastAccessFileName(fileName));
                // 获取当前时间
                DateTime now = DateTime.Now;
                // 构造日志内容
                string logContent = $"【{now}】{Environment.NewLine}{log}";

                // 将日志内容追加到日志文件中
                File.AppendAllText(logFilePath, logContent);
            }
            catch { }
            finally
            {
                // 退出写锁
                LogWriteLock.ExitWriteLock();
            }
        }
        static int size = 10 * 1024 * 1024;
        static string ext = ".log";
        private static string GetLogFilePath(string folderPath, string fileName)
        {
            // 获取指定文件夹下的所有文件
            var allFiles = new DirectoryInfo(folderPath);
            // 获取符合条件的文件，按文件名降序排列
            var selectFiles = allFiles.GetFiles().Where(fi => fi.Name.ToLower().Contains(fileName.ToLower()) && fi.Extension.ToLower() == ext.ToLower() && fi.Length < size).OrderByDescending(d => d.Name).ToList();

            FileInfo? file = selectFiles.FirstOrDefault();
            // 如果有符合条件的文件，返回第一个文件的完整路径
            if (file != null)
            {
                return file.FullName;
            }

            // 如果没有符合条件的文件，返回一个新的文件路径，文件名为原文件名加上当前时间
            return Path.Combine(folderPath, $@"{fileName}_{DateTime.Now.ToString("HH-mm-ss")}.log");
        }

        private static string GetLastAccessFileName(string fileName)
        {
            foreach (var m in GetExistLogFileNames(fileName))
            {
                FileInfo fileInfo = new FileInfo(m);
                if (fileInfo.Length < size)
                {
                    return m;
                }
            }

            // 返回一个新的默认当前时间的日志名称
            return $@"{fileName}_{DateTime.Now.ToString("HH-mm-ss")}.log";
        }

        public static string[] GetExistLogFileNames(string fileName)
        {
            string[] fileNames = Directory.GetFiles(folderPath, fileName + "*.log");
            return fileNames;
        }
    }
}