using System.Data;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using MyDarling.Models;

namespace MyDarling.Controllers
{
	[Authorize]
	public class BundleController : Controller
	{
		private DataContext context;
		private IWebHostEnvironment environment;

		public BundleController(DataContext context, IWebHostEnvironment environment)
		{
			this.environment = environment;
			this.context = context;
		}

		public ActionResult Index()
		{
			return View(context.UnderwearBundles.Include(b => b.Figures));
		}

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

		[HttpPost]
		public async Task<ActionResult> Create([Bind] UnderwearBundle bundle)
		{
			try
			{
				if (ModelState.IsValid)
				{
					await context.UnderwearBundles.AddAsync(bundle);
					context.SaveChanges();
					return RedirectToAction(nameof(Index));
				}
			}
			catch (DataException)
			{
				ModelState.AddModelError("", "Unable to save changes");
			}
			return View(bundle);
		}

		public async Task<ActionResult> Details(int id)
		{
			return View(await context.UnderwearBundles.Include(b => b.Figures).Where(b => b.Id == id).FirstOrDefaultAsync());
		}

		public async Task<ActionResult> Edit(int id)
		{
			return View(nameof(Details), await context.UnderwearBundles.FindAsync(id));
		}

		[HttpPost]
		public async Task<ActionResult> Edit(int? id)
		{

			if (id == null)
			{
				return NotFound();
			}

			var bundle = await context.UnderwearBundles.FindAsync(id);
			if (bundle == null)
			{
				return NotFound();
			}

			var file = Request.Form.Files.FirstOrDefault();

			if (await TryUpdateModelAsync<UnderwearBundle>(
				bundle,
				"",
				b => b.Name, b => b.Description, b => b.Figures, b => b.Price))
			{
				if (file != null)
				{
					var newFigure = new Figure();
					bundle.Figures.Add(newFigure);
					newFigure.FilePath = $"/Content/{bundle.Id}/{Guid.NewGuid()}{Path.GetExtension(file.FileName)}";
					var savePath = environment.WebRootPath + "/Content/" + bundle.Id + "/";
					if (!Directory.Exists(savePath))
					{
						Directory.CreateDirectory(savePath);
					}
					using var fileStream = new FileStream(environment.WebRootPath + newFigure.FilePath, FileMode.Create);
					await file.CopyToAsync(fileStream);
				}

				try
				{
					await context.SaveChangesAsync();
					return RedirectToAction(nameof(Index));
				}

				catch (System.Exception)
				{
					ModelState.AddModelError("", "Unable to save changes");
				}


			}
			return View(bundle);
		}

		[HttpPost]
		public async Task<ActionResult> Delete(int id)
		{
			var bundleToDelete = await context.UnderwearBundles.FindAsync(id);
			if (bundleToDelete == null)
			{
				return NotFound();
			}

			try
			{
				var bundleDirPath = String.Concat(environment.WebRootPath,
					"/Content/",
					bundleToDelete.Id);
					
				if (Directory.Exists(bundleDirPath))
				{
					Directory.Delete(bundleDirPath, true);
				}
				// foreach (var figure in bundleToDelete.Figures)
				// {
				// 	using FigureController controller = new(context, environment);
				// 	await controller.Delete(figure.Id);
				// }
				
				context.UnderwearBundles.Remove(bundleToDelete);
				await context.SaveChangesAsync();
				return RedirectToAction(nameof(Index));
			}
			catch (DbUpdateException)
			{
				return RedirectToAction(nameof(Delete), new { id = id, saveChangesError = true });
			}
		}
	}
}