using Microsoft.Azure.Functions.Worker;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Costasdev.VigoTransitApi;
using Costasdev.VigoTransitApi.Types;

namespace Costasdev.UrbanoVigoWeb;

public class ListStops
{
    private readonly VigoTransitApiClient _api;

    public List<Stop>? Stops { get; set; } = null;

    public ListStops(HttpClient http)
    {
        _api = new VigoTransitApiClient(http);
    }

    [Function("ListStops")]
    public async Task<IActionResult> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get")] HttpRequest req)
    {
        // Get stops from cache
        if (Stops != null)
        {
            return new OkObjectResult(Stops);
        }

        try
        {
            var stops = await _api.GetStops();
            return new OkObjectResult(stops);
        }
        catch (InvalidOperationException)
        {
            return new BadRequestObjectResult("Stop not found");
        }
    }
}