using System.Text.Json.Serialization;

using Microsoft.AspNetCore.Diagnostics.HealthChecks;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle

builder.Services.AddEndpointsApiExplorer();

builder.Services.AddSwaggerGen();

builder.Services.AddHealthChecks();

var app = builder.Build();

app.MapHealthChecks("/ready", new HealthCheckOptions { Predicate = _ => true });

app.MapHealthChecks("/live", new HealthCheckOptions { Predicate = _ => true });

// Configure the HTTP request pipeline.

if (app.Environment.IsDevelopment())

{

app.UseSwagger();

app.UseSwaggerUI();

}

app.UseHttpsRedirection();

var summaries = new[]

{

"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"

};

CancellationTokenSource cancellation = new();

app.Lifetime.ApplicationStopping.Register( () =>

{

cancellation.Cancel();

});

app.MapGet("/Environment", () =>

{

return new EnvironmentInfo();

});

// This API demonstrates how to use task cancellation

// to support graceful container shutdown via SIGTERM.

// The method itself is an example and not useful.

app.MapGet("/Delay/{value}", async (int value) =>

{

try

{

await Task.Delay(value, cancellation.Token);

}

catch(TaskCanceledException)

{

}

return new Operation(value);

});

app.MapGet("/weatherforecast", () =>

{

var forecast = Enumerable.Range(1, 5).Select(index =>

new WeatherForecast

(

DateOnly.FromDateTime(DateTime.Now.AddDays(index)),

Random.Shared.Next(-20, 55),

summaries[Random.Shared.Next(summaries.Length)]

))

.ToArray();

return forecast;

})

.WithName("GetWeatherForecast")

.WithOpenApi();

app.Run();

record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)

{

public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);

}

[JsonSerializable(typeof(EnvironmentInfo))]

[JsonSerializable(typeof(Operation))]

internal partial class AppJsonSerializerContext : JsonSerializerContext

{

}

public record struct Operation(int Delay);