using Microsoft.AspNetCore.Mvc;
using RecordMyRuck.Models;

namespace RecordMyRuck.Controllers
{
    public class RuckController : Controller
    {
        private const string DateTimeFormat = "u";

        private readonly IRuckRepository _ruckRepository;

        public RuckController(IRuckRepository ruckRepository)
        {
            _ruckRepository = ruckRepository;
        }

        public IActionResult Index()
        {
            return View();
        }

        public IActionResult New()
        {
            return View();
        }

        [HttpPost]
        public IActionResult New(RuckUpload ruckUpload)
        {
            if (!ModelState.IsValid)
            {
                return View(ruckUpload);
            }

            var gpxStream = ruckUpload.Route.OpenReadStream();
            var reader = new StreamReader(gpxStream);
            var gpxData = reader.ReadToEnd();
            _ruckRepository.CreateRuck(new Ruck
            {
                DateTime = ruckUpload.DateTime,
                Route = gpxData,
                WeightPounds = ruckUpload.WeightPounds,
                Notes = ruckUpload.Notes ?? "",
            });
            return RedirectToAction("Edit", new { dateTimeString = ruckUpload.DateTime.ToString(DateTimeFormat) });
        }

        public IActionResult Edit(string dateTimeString)
        {
            DateTime dateTime;
            try
            {
                dateTime = DateTime.ParseExact(dateTimeString, DateTimeFormat, null);
            }
            catch
            {
                return NotFound();
            }
            var ruck = _ruckRepository.Get(dateTime);
            if (ruck == null)
            {
                return NotFound();
            }
            return View(ruck);
        }
    }
}