using System.Xml.Linq;

List<Cars> cars = new()
{
    new Cars() { Uuid= Guid.Parse("6a1b4a72-5669-41fe-8d5b-106dc86f58bd"), CarMake = "Audi", Model = "R8"},
    new Cars() { Uuid= Guid.Parse("464bbdb8-39c0-4644-b9c0-3df1c484ea7e"), CarMake = "BMW", Model = "X7"},
    new Cars() { Uuid= Guid.Parse("f8692bea-b7e6-4164-b564-a921f16c35c9"), CarMake = "Kia", Model = "Rio"},
};

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 cars.Select(r => new CarEntityDto()
{
Uuid = r.Uuid,
CarMake = r.CarMake,
Model = r.Model,
});
})
.WithName("GetCars")
.WithOpenApi();

app.MapGet("/{uuid}", (Guid uuid) =>
{
var car = cars.FirstOrDefault(r => r.Uuid == uuid);
if (car == null)
return Results.NotFound();
return Results.Json(new CarEntityDto()
{
Uuid = car.Uuid,
CarMake = car.CarMake,
Model = car.Model,
});
})
.WithName("GetCarByGUID")
.WithOpenApi();

app.MapPost("/{carmake}/{modek}", (string CarMake, string Model) =>
{
Guid NewGuid = Guid.NewGuid();
cars.Add(new Cars() { Uuid = NewGuid, CarMake = (string)CarMake, Model = (string)Model });

var car = cars.FirstOrDefault(r => r.Uuid == NewGuid);
if (car == null)
return Results.NotFound();
return Results.Json(new CarEntityDto()
{
Uuid = car.Uuid,
CarMake = car.CarMake,
Model = car.Model,
});
})
.WithName("PostCar")
.WithOpenApi();

app.MapPatch("/{uuid}/{carmake}/{model}", (Guid uuid, string? carmake, string? model) =>
{
var car = cars.FirstOrDefault(r => r.Uuid == uuid);
if (car == null)
return Results.NotFound();
if (carmake != null) car.CarMake = carmake;
if (model != null) car.Model = model;

return Results.Json(new CarEntityDto()
{
Uuid = car.Uuid,
CarMake = car.CarMake,
Model = car.Model,
});
})
.WithName("UpdateCar")
.WithOpenApi();

app.MapDelete("/{uuid}", (Guid uuid) =>
{
var car = cars.FirstOrDefault(r => r.Uuid == uuid);
if (car == null)
return Results.NotFound();
cars.Remove(car);
return Results.Json(new CarEntityDto()
{
Uuid = car.Uuid,
CarMake = car.CarMake,
Model = car.Model,
});
})
.WithName("DeleteCarByGUID")
.WithOpenApi();

app.Run();

public class Cars
{
    public Guid Uuid { get; set; }
    public string CarMake { get; set; } = string.Empty;
    public string Model { get; set; } = string.Empty;
}

public class CarEntityDto : Cars { }