using Serilog;
using System.Diagnostics;
using System.Text;
using System.Text.Json;

namespace ConsoleApp
{
    public static class Setup
    {
        /// <summary>
        /// Sets the logger up and running
        /// </summary>
        public static void Serilog()
        {
            const string OUTPUT_TEMPLATE = "{Timestamp:MM/dd/yyyy hh:mm:ss tt} [{Level}] {Message}{NewLine}{Exception}";
            Log.Logger = new LoggerConfiguration()
            .MinimumLevel.Debug()
            .WriteTo.Console(
                outputTemplate: OUTPUT_TEMPLATE
                )
            .WriteTo.Async(x =>
                x.File(@"D:\Logs\log.txt",
                outputTemplate: OUTPUT_TEMPLATE,
                rollingInterval: RollingInterval.Day, //Creates new file daily
                retainedFileCountLimit: 5, //Maintains 5 log files at a time. Auto delete older logs
                fileSizeLimitBytes: 20 * 1000000, //If log grows > 20MB, Splits into new log file
                rollOnFileSizeLimit: true)
            )
            .CreateLogger();
        }

        /// <summary>
        /// Enrich exceptions with hints for better troubleshooting
        /// </summary>
        /// <param name="message"></param>
        /// <param name="hints"></param>
        /// <param name="ex"></param>
        /// <returns></returns>
        public static string AddHints(this string message, object hints, Exception ex = null)
        {
            var sw = new Stopwatch();
            sw.Start();
            var renderHints = JsonSerializer.Serialize(hints, new JsonSerializerOptions { WriteIndented = true });
            var builder = new StringBuilder(message);
            builder.Append("\nHints:");
            builder.Append(renderHints.Substring(1, renderHints.Length - 2));
            if (ex != null)
            {
                builder.Append("\nException:\n");
                builder.Append(ex.Demystify().StackTrace);
            }
            builder.Append("\n------------------------------------------------------------------\n");
            sw.Stop();
            Console.WriteLine(sw.ElapsedMilliseconds);
            return builder.ToString();
        }
    }
}

    //Setup Logger
    Configure.Serilog();

	using Serilog;
	
	//Setup Logger
	Configure.Serilog();
	
	//Write some usefull logs
	Log.Information("Info error");
	Log.Warning("Warning error");
	
	//Write some exception logs
	try
	{
		Log.Information("Info error");
		throw new StackOverflowException();
	}
	catch (Exception ex)
	{
		//Catch exceptions and write hints
		Log.Error("An exception occured.".AddHints(
			new
			{
				A = "Value of A",
				B = "Value of B",
				C = new { Fname = "Sangee", LName = "Nandakumar" }
			}
		, ex));
	}
	Console.Read();

 .WriteTo.Async(x =>
                x.Seq("https://seq.twileloop.com", apiKey: "*****")
            )

using ConsoleApp;
using Serilog;

//Setup Logger
Setup.Serilog();

//Write some usefull logs
Log.Information("Info error");
Log.Warning("Warning error");

//Write some exception logs
try
{
    Log.Information("Info error");
    throw new StackOverflowException();
}
catch (Exception ex)
{
    //Catch exceptions and write hints
    Log.Error("An exception occured.".AddHints(
        new
        {
            A = "Value of A",
            B = "Value of B",
            C = new { Fname = "Sangee", LName = "Nandakumar" }
        }
        , ex));
}

Console.Read();

Configure.Serilog(builder);

using Serilog;
using WebApp;

try
{
    var builder = WebApplication.CreateBuilder(args);
    Configure.Serilog(builder);
    builder.Services.AddControllers();
    builder.Services.AddEndpointsApiExplorer();
    builder.Services.AddSwaggerGen();
    var app = builder.Build();

    if (app.Environment.IsDevelopment())
    {
        app.UseSwagger();
        app.UseSwaggerUI();
    }
    app.UseHttpsRedirection();
    app.UseAuthorization();
    app.MapControllers();
    app.Run();
    return 0;
}
catch (Exception ex)
{
    Log.Fatal(ex, "Host terminated unexpectedly");
    return 1;
}
finally
{
    Log.CloseAndFlush();
}

    [ApiController]
    [Route("[controller]")]
    public class WeatherForecastController : ControllerBase
    {
        [HttpGet(Name = "GetWeatherForecast")]
        public IActionResult Get()
        {
            Log.Debug("Some sample logs");
            Log.Information("Some sample logs");
            Log.Warning("Some sample logs");
            try
            {
                throw new Exception("This is a test exception");
            }
            catch (Exception ex)
            {
                //Catch exceptions and write hints
                Log.Error("An exception occured.".AddHints(
                    new
                    {
                        A = "Value of A",
                        B = "Value of B",
                        C = new { Fname = "Sangee", LName = "Nandakumar" }
                    }
                    , ex));
            }
            finally
            {
            }
            return Ok(1);
        }
    }