using GerbilManagerWebAPI.DAL;
using GerbilManagerWebAPI.Dtos;
using GerbilManagerWebAPI.Genetics;
using Microsoft.AspNetCore.Mvc;

namespace GerbilManagerWebAPI.Controllers
{
    /// <summary>
    /// Inbreeding-coefficient (Inzuchtkoeffizient) endpoints — both for an existing
    /// gerbil and for a hypothetical pairing (Probeverpaarung).
    /// </summary>
    [ApiController]
    public class InbreedingController : ControllerBase
    {
        private readonly InbreedingService service;

        // ApplicationContext is already registered in DI; the service is a thin,
        // dependency-free wrapper so it needs no separate registration in Program.cs.
        public InbreedingController(ApplicationContext db)
        {
            service = new InbreedingService(db);
        }

        // GET /gerbils/{id}/inbreeding-coefficient
        [HttpGet("gerbils/{id}/inbreeding-coefficient")]
        public ActionResult<InbreedingResult> GetForGerbil(Guid id)
        {
            var result = service.ForGerbil(id);
            return result is null ? NotFound() : result;
        }

        // POST /genetics/test-inbreeding
        [HttpPost("genetics/test-inbreeding")]
        public ActionResult<InbreedingResult> TestPairing(TestInbreedingDto dto)
        {
            return service.ForPairing(dto.FatherId, dto.MotherId);
        }
    }
}