using NLog;
using NLog.Config;
using NLog.Targets;

namespace GenDocCli
{
    public static class NLogConfigurator
    {
        public static void Configure(
            string logFile,
            string logLevel)
        {
            var config = new LoggingConfiguration();

            var fileTarget = new FileTarget("file")
            {
                FileName = logFile,
                Layout =
                    "${longdate}|${level:uppercase=true}|${message}|${exception:format=tostring}"
            };

            config.AddTarget(fileTarget);

            var consoleTarget = new ConsoleTarget("console")
            {
                Layout =
                    "${longdate}|${level:uppercase=true}|${message}|${exception:format=tostring}"
            };
            config.AddTarget(consoleTarget);


            LogLevel level;
            level = LogLevel.Info;

            if (logLevel.ToUpper() == "ALL")
            {

                for (int i = 0; i < 5; i++)
                {
                    if(i== 0)
                    {
                        level = LogLevel.Trace;
                    }
                    if (i==1)
                    {
                        level = LogLevel.Debug;
                    }
                    else if (i == 2)
                    {
                        level = LogLevel.Info;
                    }
                    else if (i == 3)
                    {
                        level = LogLevel.Warn;
                    }
                    else if (i == 4)
                    {
                        level = LogLevel.Error;
                    }
                    config.LoggingRules.Add(new LoggingRule("*", level, fileTarget));
                    config.LoggingRules.Add(new LoggingRule("*", level, consoleTarget));


                }
                LogManager.Configuration = config;
                return;
            }

                switch (logLevel.ToUpper())
            {
                case "DEBUG":
                    level = LogLevel.Debug;
                    break;

                case "WARN":
                    level = LogLevel.Warn;
                    break;

                case "ERROR":
                    level = LogLevel.Error;
                    break;

                default:
                    level = LogLevel.Info;
                    break;
            }

            config.LoggingRules.Add( new LoggingRule( "*", level, fileTarget));

            config.LoggingRules.Add( new LoggingRule("*", level, consoleTarget));

            LogManager.Configuration = config;
        }
    }
}