using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text.Json;
using System.Threading.Tasks;
using AutoMapper;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using ThuisApi.Data;
using ThuisApi.Models;

namespace ThuisApi.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class FreezerItemController : ControllerBase
    {
        private readonly ThuisDbContext _context;
        private readonly IMapper _mapper;

        public FreezerItemController(ThuisDbContext context, IMapper mapper)
        {
            _context = context;
            _mapper = mapper;
        }

        // GET: api/FreezerItem
        [HttpGet]
        public async Task<ActionResult<IEnumerable<FreezerItemDto>>> GetFreezerItem()
        {
            return Ok(_mapper.Map<FreezerItem[], List<FreezerItemDto>>(await _context.FreezerItem.ToArrayAsync()));
        }

        // GET: api/FreezerItem/InFreezer/2
        [HttpGet("InFreezer/{id}")]
        public async Task<ActionResult<IEnumerable<FreezerItemDto>>> GetFreezerItemsInFreezer(int id)
        {
            if (!_context.Freezer.Any(a => a.FreezerId == id))
            {
                return NotFound();
            }
            
            return Ok(_mapper.Map<FreezerItem[], List<FreezerItemDto>>(await _context.FreezerItem
                .Where(a => a.FreezerId == id)
                .ToArrayAsync()));
        }

        // GET: api/FreezerItem/5
        [HttpGet("{id}")]
        public async Task<ActionResult<FreezerItemDto>> GetFreezerItem(int id)
        {
            var freezerItem = await _context.FreezerItem.FindAsync(id);

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

            return Ok(_mapper.Map<FreezerItem, FreezerItemDto>(freezerItem));
        }

        // PUT: api/FreezerItem/5
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPut("{id}")]
        public async Task<IActionResult> PutFreezerItem(int id, FreezerItemDto freezerItem)
        {
            if (id != freezerItem.FreezerItemId)
            {
                return BadRequest();
            }

            _context.Entry(_mapper.Map<FreezerItemDto, FreezerItem>(freezerItem)).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!FreezerItemExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return NoContent();
        }

        // POST: api/FreezerItem
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPost]
        public async Task<ActionResult<FreezerItemDto>> PostFreezerItem(FreezerItemDto freezerItemDto)
        {
            var mappedItem = _mapper.Map<FreezerItemDto, FreezerItem>(freezerItemDto);
            if (mappedItem.DatePlacedInFreezer.ToString(CultureInfo.CurrentCulture).Equals(""))
            {
                mappedItem.DatePlacedInFreezer = DateTime.Now;
            }

            mappedItem.Freezer =
                await _context.Freezer.SingleAsync(freezer => freezer.FreezerId == mappedItem.FreezerId);
            _context.FreezerItem.Add(mappedItem);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetFreezerItem", new { id = mappedItem.FreezerItemId },
                _mapper.Map<FreezerItem, FreezerItemDto>(mappedItem));
        }

        // DELETE: api/FreezerItem/5
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteFreezerItem(int id)
        {
            var freezerItem = await _context.FreezerItem.FindAsync(id);
            if (freezerItem == null)
            {
                return NotFound();
            }

            _context.FreezerItem.Remove(freezerItem);
            await _context.SaveChangesAsync();

            return NoContent();
        }

        private bool FreezerItemExists(int id)
        {
            return _context.FreezerItem.Any(e => e.FreezerItemId == id);
        }
    }
}