using System.Threading.Tasks;
using ErsatzTV.Application.Channels.Queries;
using ErsatzTV.Application.HDHR.Queries;
using ErsatzTV.Core.Hdhr;
using ErsatzTV.Extensions;
using LanguageExt;
using MediatR;
using Microsoft.AspNetCore.Mvc;

namespace ErsatzTV.Controllers
{
    [ApiController]
    [ApiExplorerSettings(IgnoreApi = true)]
    public class HdhrController : ControllerBase
    {
        private readonly IMediator _mediator;

        public HdhrController(IMediator mediator) => _mediator = mediator;

        [HttpGet("device.xml")]
        public IActionResult DeviceXml() =>
            new OkObjectResult(new DeviceXml(Request.Scheme, Request.Host.ToString()));

        [HttpGet("discover.json")]
        [ResponseCache(NoStore = true)]
        public Task<IActionResult> Discover() =>
            _mediator.Send(new GetHDHRTunerCount()).Map<int, IActionResult>(
                tunerCount => new OkObjectResult(new Discover(Request.Scheme, Request.Host.ToString(), tunerCount)));

        [HttpGet("lineup_status.json")]
        public IActionResult LineupStatus() =>
            new OkObjectResult(new LineupStatus());

        [HttpGet("lineup.json")]
        public Task<IActionResult> Lineup() =>
            _mediator.Send(new GetChannelLineup(Request.Scheme, Request.Host.ToString())).ToActionResult();
    }
}