using System;
using System.Linq;
using System.Web.Mvc;
using LeafWeb.Core.Entities;
using LeafWeb.Core.Utility;
using LeafWeb.Web.Attributes;
using LeafWeb.Web.ViewModels.Results;
using LeafWeb.Web.ViewModels.ResultsAdmin;

namespace LeafWeb.Web.Controllers
{
    public class ResultsAdminController : ControllerBase
	{
		public ActionResult Index()
		{
			var viewModel =
				DataService.GetLeafInputs()
				.OrderByDescending(f => f.Id)
				.ToList()
				.Select(leafInput => new ResultStatusViewModel(leafInput));
			return View(viewModel);
		}

		public ActionResult Details(int id)
		{
			var leafInput = DataService.GetLeafInput(id);
			var viewModel = new LeafInputViewModel(leafInput);
			return View(viewModel);
		}

		public ActionResult DownloadOutputToUser(int id)
		{
			return GetOutputZip(id, LeafOutputFileType.ToUser);
		}

		public ActionResult DownloadOutputNotToUser(int id)
		{
			return GetOutputZip(id, LeafOutputFileType.NotToUser);
		}

		public ActionResult DownloadOutputCleanedInput(int id)
		{
			return GetOutputZip(id, LeafOutputFileType.CleanedInput);
		}

	    private ActionResult GetOutputZip(int id, LeafOutputFileType type)
	    {
			var leafInput = DataService.GetLeafInput(id);

			if (leafInput == null)
				return View("DownloadNotFound");

			var zip = leafInput.GetOutputFileZip(type);

			var filename = $"{leafInput.Identifier.FilterValidFilename()}_{type}.zip";

			return new FileContentResult(zip, "application/zip") { FileDownloadName = filename };
		}

		public ActionResult Delete(int id)
		{
			var leafInput = DataService.GetLeafInput(id);
			var viewModel = new LeafInputViewModel(leafInput);
			return View(viewModel);
		}

		[HttpPost, ActionName("Delete")]
		[ActionLog]
		public ActionResult DeleteConfirmed(int id)
		{
			// TODO: don't allow currently running LeafInput to be deleted
			var leafInput = DataService.GetLeafInput(id);
			DataService.DeleteLeafInput(leafInput);

			SetStatusMessage($"LeafInput '{leafInput.Identifier}' deleted");
			return RedirectToAction("Index");
		}
	}
}