using GerbilManagerWebAPI.Models;
using GerbilManagerWebAPI.Repositories;
using GerbilManagerWebAPI.Dtos;

using GerbilManagerWebAPI.Converter;

using Microsoft.AspNetCore.Mvc;
using System.Xml;

namespace GerbilManagerWebAPI.Controllers
{
    [ApiController]
    [Route("breeders")]
    public class BreederController : ControllerBase
    {
        private readonly IGerbilRepository gerbilrepository;
        private readonly IBreederRepository repository;
        private readonly ILitterRepository litterRepository;

        public BreederController(IBreederRepository repo)
        {
            this.repository = repo;
        }

        //GET /gerbils
        [HttpGet]
        public IEnumerable<BreederDto> GetBreeders()
        {
            var items = repository.GetBreeders().Select( breeder => breeder.AsDto());
            return items;
        }

        //GET /gerbils
        [HttpGet("{id}")]
        public ActionResult<BreederDto> GetBreeder(Guid id)
        {
            var item = repository.GetBreeder(id).AsDto();

            if(item is null)
            {
                return NotFound();
            }
            return item;
        }

        [HttpPost()]
        public ActionResult<BreederDto> CreateBreeder(CreateBreederDto dto)
        {
            Breeder breeder = new Breeder{
                Id = Guid.NewGuid(),
                Name = dto.Name,
            };

            this.repository.CreateBreeder(breeder);

            return CreatedAtAction(nameof(GetBreeder), new { id = breeder.Id}, breeder.AsDto());
        }

        [HttpPut("{id}")]
        public ActionResult UpdateBreeder(Guid id, UpdateBreederDto breederDto)
        {
            var existingItem = repository.GetBreeder(id);
            if(existingItem is null)
            {
                return NotFound();
            }

            Breeder updatedBreeder = existingItem with{
                Name = breederDto.Name
            };

            repository.UpdateBreeder(updatedBreeder);
            return NoContent();
        }

        [HttpDelete("{id}")]
        public ActionResult DeleteBreeder(Guid id)
        {
            var existingLitter = repository.GetBreeder(id);

            if(existingLitter is null)
            {
                return NotFound();
            }

            repository.DeleteBreeder(existingLitter);

            return NoContent();
        }
    }
}