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

namespace Divisions.Controllers
{
    [ApiController]
    [Route("api/divisions")]
    public class DivisionsController : ControllerBase
    {
        private readonly ISender _sender;

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

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

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

            return Ok(divisions);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult> GetDivisionById(int id)
        {
            var division = await _sender.Send(new GetDivisionByIdQuery
            {
                DivisionId = id
            });

            return Ok(division);
        }
    }
}