package services

import (
	"GoMembership/internal/models"

	"gorm.io/gorm"
)

type CarServiceInterface interface {
	Create(car *models.Car) (*models.Car, error)
	Update(car *models.Car) (*models.Car, error)
	Delete(carID *uint) error
	FromID(id uint) (*models.Car, error)
	GetAll() (*[]models.Car, error)
}

type CarService struct {
	DB *gorm.DB
}

// Create a new car
func (s *CarService) Create(car *models.Car) (*models.Car, error) {

	err := car.Create(s.DB)
	if err != nil {
		return nil, err
	}
	return car, nil
}

// Update an existing car
func (s *CarService) Update(car *models.Car) (*models.Car, error) {
	err := car.Update(s.DB)
	if err != nil {
		return nil, err
	}
	return car, nil
}

// Delete a car (soft delete)
func (s *CarService) Delete(carID *uint) error {
	var car models.Car
	err := car.FromID(s.DB, *carID)
	if err != nil {
		return err
	}
	return car.Delete(s.DB)
}

// GetByID fetches a car by its ID
func (s *CarService) FromID(id uint) (*models.Car, error) {
	car := &models.Car{}
	err := car.FromID(s.DB, id)
	if err != nil {
		return nil, err
	}
	return car, nil
}

// GetAll retrieves all cars
func (s *CarService) GetAll() (*[]models.Car, error) {
	cars, err := models.GetAllCars(s.DB)
	if err != nil {
		return nil, err
	}
	return &cars, nil
}