List<Streets> streets = new()
{
    new Streets() { Uuid= Guid.Parse("6a1b4a72-5669-41fe-8d5b-106dc86f58bd"), Name = "Ленина", City = "Москва"},
    new Streets() { Uuid= Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e"), Name = "Транспортная", City = "Ульяновск"},
    new Streets() { Uuid= Guid.Parse("f8692bea-b7e6-4164-b564-a921f16c35c9"), Name = "Невская", City = "Санкт-Петербург"},
};

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.MapGet("/", () =>
{
    return streets.Select(r => new StreetEntityDto()
    {
        Uuid = r.Uuid,
        Name = r.Name,
        City = r.City,
    });
})
.WithName("GetStreets")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
    var street = streets.FirstOrDefault(r => r.Uuid == uuid);
    if (street == null)
        return Results.NotFound();
    return Results.Json(new StreetEntityDto()
    {
        Uuid = street.Uuid,
        Name = street.Name,
        City = street.City,
    });
})
.WithName("GetStreetByGUID")
.WithOpenApi();

app.MapPost("/{name}/{city}", (string Name, string City) =>
{
    Guid NewGuid = Guid.NewGuid();
    streets.Add(new Streets() { Uuid = NewGuid, Name = (string)Name, City = (string)City});
   
    var street = streets.FirstOrDefault(r => r.Uuid == NewGuid);
    if (street == null)
        return Results.NotFound();
    return Results.Json(new StreetEntityDto()
    {
        Uuid = street.Uuid,
        Name = street.Name,
        City = street.City,
    });
})
.WithName("PostStreet")
.WithOpenApi();

app.MapPatch("/{uuid}/{name}/{city}", (Guid uuid, string ?name, string ?city) =>
{
    var street = streets.FirstOrDefault(r => r.Uuid == uuid);
    if (street == null)
        return Results.NotFound();
    if (name != null) street.Name = name;
    if (city != null) street.City = city;

    return Results.Json(new StreetEntityDto()
    {
        Uuid = street.Uuid,
        Name = street.Name,
        City = street.City,
    });
})
.WithName("UpdateStreet")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
    var street = streets.FirstOrDefault(r => r.Uuid == uuid);    
    if (street == null)
        return Results.NotFound();
    streets.Remove(street);
    return Results.Json(new StreetEntityDto()
    {
        Uuid = street.Uuid,
        Name = street.Name,
        City = street.City,
    });
})
.WithName("DeleteStreetByGUID")
.WithOpenApi();

app.Run();

public class Streets
{
    public Guid Uuid { get; set; }
    public string Name { get; set; } = string.Empty;
    public string City { get; set; } = string.Empty;
}

public class StreetEntityDto : Streets { }