var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers().AddOData(options =>
{
    options.Select().Filter();
});

builder.Services.AddApiVersioning().AddOData(
    options =>
    {
        options.ModelBuilder.DefaultModelConfiguration = (builder, apiVersion, routePrefix) =>
        {
            builder.EntitySet<WeatherForecast>("WeatherForecast");
        };
        options.AddRouteComponents("api/v{version:apiVersion}");
    });

var app = builder.Build();

// Configure the HTTP request pipeline.

app.UseODataRouteDebug();
app.UseRouting();

app.MapControllers();

app.Run();

namespace InterleavingVersions.Controllers
{
    [ApiVersion(1.0)]
    [ApiVersion(2.0)]
    [ApiVersion(3.0)]
    // [Route("api/v{version:apiVersion}")] -> adding this header will result in runtime exception at startup time. see the exception in the below 
    public class WeatherForecastController : ODataController
    {
        private readonly ILogger<WeatherForecastController> _logger;

        public WeatherForecastController(ILogger<WeatherForecastController> logger)
        {
            _logger = logger;
        }

        // Conventional
        [EnableQuery]
        [HttpGet]
        public IQueryable<WeatherForecast> Get()
        {
            return new[] { new WeatherForecast() { Id = "v1" } }.AsQueryable();
        }

        // Attribute WITHOUT the version prefix
        [EnableQuery]
        [HttpGet("WeatherForecast"), MapToApiVersion(2.0)]
        public IQueryable<WeatherForecast> GetV2()
        {
            return new[] { new WeatherForecast() { Id = "v2" } }.AsQueryable();
        }

        // Attribute WITH the version prefix
        [EnableQuery]
        [HttpGet("api/v{version:apiVersion}/WeatherForecast"), MapToApiVersion(3.0)]
        public IQueryable<WeatherForecast> GetV3()
        {
            return new[] { new WeatherForecast() { Id = "v3" } }.AsQueryable();
        }
    }
}