using System;
using System.Text;
using System.IO;
using Sog.Log;

namespace MysqlHandling
{
    class EasyLog
    {
        public static FileInfo m_fileInfo;
        public static object locker = new object();

        private static DateTime m_dateTime1970_utc = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        private static DateTime m_dateTime1970 = m_dateTime1970_utc.ToLocalTime();


        public static void WriteInfo(string logStr)
        {
            lock (locker)
            {
                //Console.WriteLine(logStr);
                logStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + " INFO : " + logStr + "\r\n";
                File.AppendAllText(m_fileInfo.FullName, logStr);
                /*
                using (FileStream fs = m_fileInfo.Open(FileMode.Append, FileAccess.Write))
                {
                    Byte[] info = new UTF8Encoding(true).GetBytes(logStr);
                    fs.Write(info, 0, info.Length);
                }*/

            }

        }

        public static void WriteErr(string logStr)
        {
            lock (locker)
            {
                logStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + " ERROR : " + logStr + "\r\n";
                using (FileStream fs = m_fileInfo.Open(FileMode.Append, FileAccess.Write))
                {
                    var writer = new StreamWriter(fs);
                    writer.Write(logStr);
                }
            }

        }

        public static void WriteWarinig(string logStr)
        {

            lock (locker)
            {
                logStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + " WARNING: " + logStr + "\r\n";
                using (FileStream fs = m_fileInfo.Open(FileMode.Append, FileAccess.Write))
                {
                    var writer = new StreamWriter(fs);
                    writer.Write(logStr);
                }
            }

        }

        public static void WriteDebug(string logStr)
        {
            logStr = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + " DEBUG : " + logStr + "\r\n";
            lock (locker)
            {
                using (FileStream fs = m_fileInfo.Open(FileMode.Append, FileAccess.Write))
                {
                    var writer = new StreamWriter(fs);
                    writer.Write(logStr);
                }
            }

        }

        //这个等价于GetTime(DateTime t)
        public static long ConvertDateTimeToUnixTime(DateTime datatime)
        {
            TimeSpan ts = datatime - m_dateTime1970;

            long timeMs = (long)ts.TotalMilliseconds;

            return timeMs;
        }

        public static void CreatLogFile(string path, string fileName)
        {
            string fullPath = path + "/" + fileName;

            m_fileInfo = new FileInfo(fullPath);
            if (m_fileInfo.Exists)
            {
                return;
            }

            using (m_fileInfo.Create())
            {
                Console.WriteLine("Create Sucessed");
            }
        }
        

    }
}