using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Games.Commands;
using Games.Entities;
using Games.Queries;
using MediatR;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;

// For more information on enabling MVC for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860

namespace Games.Controllers
{
    [ApiController]
    [Route("api/games")]
    public class GamesController : ControllerBase
    {
        private readonly ISender _sender;

        public GamesController(ISender sender) => _sender = sender;

        [HttpGet]
        public async Task<ActionResult> GetGames([FromQuery] int pageNumber, [FromQuery] int pageSize)
        {
            var games = await _sender.Send(new GetGamesQuery
            {
                PageNumber = pageNumber,
                PageSize = pageSize
            });

            Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(new
            {
                games.CurrentPage,
                games.PageSize,
                games.TotalCount,
                games.TotalPages
            }));

            return Ok(games);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult> GetGamesById(int id)
        {
            var game = await _sender.Send(new GetGameByIdQuery
            {
                GameId = id
            });

            return Ok(game);
        }

        [HttpPost]
        public async Task<ActionResult> AddGame([FromBody] List<Game> games)
        {
            try
            {
                await _sender.Send(new AddGamesCommand(games));

                return StatusCode(201);
            }
            catch (Exception ex)
            {
                return StatusCode(500);
            }
            
        }
    }
}