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

namespace Venues.Controllers
{
    [ApiController]
    [Route("api/venues")]
    public class VenuesController : ControllerBase
    {
        private readonly ISender _sender;

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

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

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

            return Ok(venues);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult> GetVenueById(int id)
        {
            var venue = await _sender.Send(new GetVenueByIdQuery
            {
                VenueId = id
            });

            return Ok(venue);
        }
    }
}