using System;
using System.Diagnostics;

namespace DbAPIUI.Logging
{
    public class LogManager
    {
        private static TraceSource MySource = null;
        private static readonly object MyLock = new object();
        public enum LogEvents
        {
            Application,
            Message,
            Connections,
            DAS,
            Sensors,
            TestSetups,
            Tags
        }
        public static void Log(TraceEventType eventType, LogEvents logEvent, string msg)
        {
            InitializeSource();
            MySource.TraceEvent(eventType, (int)logEvent, msg);
            var dt = DateTime.Now;
            Form1.UpdateScreenLog($"{dt.Year}-{dt.Month:00}-{dt.Day:00} {dt.Hour:00}:{dt.Minute:00}:{dt.Second}.{dt.Millisecond:000} {msg}");
        }
        private static void InitializeSource()
        {
            lock (MyLock)
            {
                if( null != MySource) 
                {
                    return; 
                }
                MySource = new TraceSource("DbAPIUI");
                MySource.Listeners.Clear();
                Trace.AutoFlush = true;
                MySource.Listeners.Add(new TextWriterTraceListener("DBAPIUI.log", "log"));                
                MySource.Listeners["log"].IndentLevel = 1;
                MySource.Listeners["log"].TraceOutputOptions = TraceOptions.DateTime | TraceOptions.Timestamp;
                MySource.Switch.Level = SourceLevels.All;
            }
        }
    }
}