using System;
using System.Collections.Generic;
using System.Web;
using Elmah;

namespace Sony.Filtr.ErrorLogging
{
    public class ErrorLoggingManager
    {
        private static readonly ErrorLoggingManager _instance = new ErrorLoggingManager();
        public static ErrorLoggingManager Instance { get { return _instance; } }

        public string CurrentApplicationName { get; set; }

        public void LogError(Exception ex)
        {
            try
            {
                if (HttpContext.Current != null)
                {
                    ErrorSignal.FromCurrentContext().Raise(ex);
                }
                else
                {
                    var dic = new Dictionary<string, string>() { { "connectionStringName", "dbErrorLogging" }, { "applicationName", CurrentApplicationName ?? "Application" } };
                    ErrorLog errorLog = new MySqlErrorLog(dic);

                    errorLog.Log(new Error(ex));
                }
            }
            catch (Exception)
            {
                //We don't want logging to cause further errors...
            }
        }

        public void LogError(string errorMessage)
        {
            var exception = new Exception(errorMessage);
            this.LogError(exception);
        }

        public void LogError(Exception ex, string errorMessage)
        {
            this.LogError($"{errorMessage}{Environment.NewLine}ExceptionMessage: {ex.Message}   ExceptionStack: {ex.StackTrace}");
        }
    }
}