using System.Linq;
using System.Web.Mvc;
using MileageTraker.Web.Attributes;
using MileageTraker.Web.Models;
using MileageTraker.Web.ViewModels.VehicleRecall;

namespace MileageTraker.Web.Controllers
{
	[Authorize(Roles = "Administrator, Developer")]
	public class VehicleRecallController : ControllerBase
    {
        public ActionResult Index(bool completed = false)
        {
            var vehicleRecalls = 
                DataService.GetVehicleRecalls()
                    .Where(vr => 
                        completed 
                            ? vr.CompletedService != null 
                            : vr.CompletedService == null).ToList();

            if (vehicleRecalls.Count == 0)
                return View("Empty");

            var recalls = vehicleRecalls.Select(vr => new VehicleRecallViewModel(vr));

            var viewModel = new VehicleRecallResultsViewModel(recalls, completed);

            return View(viewModel);
        }

        public ViewResult Details(int id)
        {
            var vehicleRecall = DataService.GetVehicleRecall(id);
            var viewModel = new VehicleRecallViewModel(vehicleRecall);
            return View(viewModel);
        }

        public ActionResult Create()
		{
			return View();
		}

		[HttpGet]
		[RequireRequestValue("vehicleId")]
		public ActionResult Create(string vehicleId)
		{
			return View(new VehicleRecallViewModel{VehicleId = vehicleId});
		}

		[HttpPost]
		[ActionLog]
		public ActionResult Create(VehicleRecallViewModel viewModel)
		{
			if (ModelState.IsValid)
			{
				var vehicleRecall = viewModel.GetVehicleRecall();
                var vehicle = DataService.GetVehicle(viewModel.VehicleId);

                vehicleRecall.Vehicle = vehicle;
				DataService.AddVehicleRecall(vehicleRecall);

                var serviceReminder
                    = new ServiceReminder
                    {
                        Vehicle = vehicle,
                        TargetOdometer = vehicle.CurrentOdometer ?? 0,
                        Description = $"Recall: {vehicleRecall.Identifier}, {vehicleRecall.Description}"
                    };

                DataService.AddServiceReminder(serviceReminder);

                SetStatusMessage($"Vehicle Recall for vehicle {viewModel.VehicleId} created, Service Reminder also created", StatusType.Success);
				return RedirectToAction("Index");
			}

			return View(viewModel);
		}

        public ActionResult Edit(int id)
        {
            var vehicleRecall = DataService.GetVehicleRecall(id);
            var viewModel = new VehicleRecallViewModel(vehicleRecall);
            return View(viewModel);
        }

        public ActionResult Delete(int id)
        {
            var vehicleRecall = DataService.GetVehicleRecall(id);
            var viewModel = new VehicleRecallViewModel(vehicleRecall);
            return View(viewModel);
        }

        [HttpPost, ActionName("Delete")]
		[ActionLog]
		public ActionResult DeleteConfirmed(int id)
		{
            var vehicleRecall = DataService.GetVehicleRecall(id);
            var vehicleVehicleId = vehicleRecall.Vehicle.VehicleId;

            DataService.DeleteVehicleRecall(id);

			SetStatusMessage($"Vehicle Recall \"{vehicleRecall.Identifier}\" for Vehicle ID {vehicleVehicleId} deleted");
			return RedirectToAction("Index");
		}

        [HttpPost]
        [ActionLog]
        public ActionResult Edit(VehicleRecallViewModel viewModel)
        {
            if (ModelState.IsValid)
            {
                var vehicleRecall = viewModel.GetVehicleRecall();
                vehicleRecall.Vehicle = DataService.GetVehicle(viewModel.VehicleId);

                DataService.UpdateVehicleRecall(vehicleRecall);
                SetStatusMessage("Changes saved for vehicle recall " + vehicleRecall.Vehicle.VehicleId);
                return RedirectToAction("Details", new { id = vehicleRecall.VehicleRecallId });
            }
            return View(viewModel);
        }
    }
}