package classify

import "tea.karlcom.de/karl/bucketeer/internal/model"

func gcp(service model.Service, resource, region string) model.Match {
	return model.Match{
		Provider:         model.ProviderGCP,
		Service:          service,
		ResourceSpecific: true,
		Region:           region,
		Resource:         resource,
	}
}

// classifyGCS handles <bucket>.storage.googleapis.com.
func classifyGCS(s *scanner) (model.Match, bool) {
	n := s.n
	if n < 4 || s.label(n-1) != "com" || s.label(n-2) != "googleapis" || s.label(n-3) != "storage" {
		return model.Match{}, false
	}
	return gcp(model.ServiceObjectStorage, s.label(0), ""), true
}

// classifyFirebaseIO handles <database>.firebaseio.com.
func classifyFirebaseIO(s *scanner) (model.Match, bool) {
	n := s.n
	if n < 3 || s.label(n-1) != "com" || s.label(n-2) != "firebaseio" {
		return model.Match{}, false
	}
	return gcp(model.ServiceFirebaseDB, s.label(0), ""), true
}

// classifyFirebaseDB handles <database>.<region>.firebasedatabase.app.
func classifyFirebaseDB(s *scanner) (model.Match, bool) {
	n := s.n
	if n < 4 || s.label(n-1) != "app" || s.label(n-2) != "firebasedatabase" {
		return model.Match{}, false
	}
	return gcp(model.ServiceFirebaseDB, s.label(0), s.label(1)), true
}

// classifyAppspot handles <project>.appspot.com.
func classifyAppspot(s *scanner) (model.Match, bool) {
	n := s.n
	if n < 3 || s.label(n-1) != "com" || s.label(n-2) != "appspot" {
		return model.Match{}, false
	}
	return gcp(model.ServiceWebApp, s.label(0), ""), true
}