using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.IO;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Snootalogue.Models;
using Snootalogue.Data;

namespace Snootalogue.Controllers {
	[Route("/api/[controller]")]
	[ApiController]
	public class DocumentController : ControllerBase {
		private readonly SnootalogueContext _context;
		public DocumentController(SnootalogueContext context) {
			_context = context;
		}

		[HttpGet]
		public async Task<ActionResult<IEnumerable<Document>>> GetDocuments() {
			return await _context.Document.Take(25).ToListAsync();
		}

		[HttpGet("{id}")]
		public async Task<ActionResult<Document>> GetDocumentById(string id) {
			var document = await _context.Document.FindAsync(id);

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

			return document;
		}

		[HttpDelete("{id}")]
		public async Task<ActionResult<bool>> DeleteDocument(string id) {
			var document = await _context.Document.FindAsync(id);
			if (document == null) {
				return NotFound();
			}

			var uploadDirectory = Path.Combine("wwwroot", "Content");
			var destination = Path.Combine(uploadDirectory, $"{id}.pdf");
			System.IO.File.Delete(destination);

			_context.Remove(document);
			await _context.SaveChangesAsync();
			return true;
		}
	}
}