using pet_companion_api.Models;
using pet_companion_api.Repositories;

namespace pet_companion_api.Services
{
    public class PetService
    {
        private readonly PetRepository petRepository;

        public PetService(PetRepository petRepository)
        {
            this.petRepository = petRepository;
        }

        public IEnumerable<Pet> GetAllPets(Guid userId)
        {
            return petRepository.GetPetsByUserId(userId.ToString());
        }

        public Pet CreatePet(Guid userId, PetCreationRequest petRequest)
        {
            var pet = new Pet
            {
                Id = Guid.NewGuid().ToString(),
                UserId = userId.ToString(),
                Name = petRequest.Name,
                Class = petRequest.Class,
                Level = 1,
                Stats = PetStats.BuildFromClass(petRequest.Class),
                Resources = new Resources(),
                ActionSince = DateTime.UtcNow,
                PetAction = PetAction.IDLE,
                IsDead = false
            };

            return petRepository.CreatePet(pet);
        }

        public Pet UpdatePetAction(string petId, string userId, PetUpdateActionRequest actionRequest)
        {
            var pet = petRepository.GetPetById(petId, userId);
            if (pet == null)
            {
                throw new Exception("Pet not found");
            }

            pet.PetAction = actionRequest.PetAction;
            pet.ActionSince = DateTime.UtcNow;

            return petRepository.UpdatePetAction(pet);
        }
    }
}