package geospatial

// SpatialValidatorImpl implements SpatialValidator interface
type SpatialValidatorImpl struct {
	config *Config
}

// NewSpatialValidator creates a new spatial validator
func NewSpatialValidator(config *Config) SpatialValidator {
	return &SpatialValidatorImpl{
		config: config,
	}
}

// ValidatePoint validates a geographic point
func (sv *SpatialValidatorImpl) ValidatePoint(point Point) error {
	return validatePoint(point)
}

// ValidateBoundingBox validates a bounding box
func (sv *SpatialValidatorImpl) ValidateBoundingBox(bbox BoundingBox) error {
	if err := validatePoint(bbox.NorthEast); err != nil {
		return err
	}
	if err := validatePoint(bbox.SouthWest); err != nil {
		return err
	}

	if bbox.NorthEast.Latitude < bbox.SouthWest.Latitude {
		return ErrInvalidBoundingBox
	}

	return nil
}

// ValidateLatitude validates a latitude value
func (sv *SpatialValidatorImpl) ValidateLatitude(lat float64) error {
	if lat < sv.config.MinLatitude || lat > sv.config.MaxLatitude {
		return ErrInvalidLatitude
	}
	return nil
}

// ValidateLongitude validates a longitude value
func (sv *SpatialValidatorImpl) ValidateLongitude(lng float64) error {
	if lng < sv.config.MinLongitude || lng > sv.config.MaxLongitude {
		return ErrInvalidLongitude
	}
	return nil
}