package graph

import "errors"

var (
	// ErrInvalidConfig indicates invalid configuration
	ErrInvalidConfig = errors.New("invalid graph configuration")

	// ErrInvalidQuery indicates an invalid query
	ErrInvalidQuery = errors.New("invalid graph query")

	// ErrNoResults indicates no results found
	ErrNoResults = errors.New("no results found")

	// ErrInvalidPath indicates an invalid path
	ErrInvalidPath = errors.New("invalid path")

	// ErrSessionFailed indicates session creation failed
	ErrSessionFailed = errors.New("failed to create graph session")

	// ErrQueryTimeout indicates query timeout
	ErrQueryTimeout = errors.New("query timeout")

	// ErrInvalidNodeType indicates invalid node type
	ErrInvalidNodeType = errors.New("invalid node type")

	// ErrInvalidRelationshipType indicates invalid relationship type
	ErrInvalidRelationshipType = errors.New("invalid relationship type")

	// ErrGDSNotAvailable indicates GDS library is not available
	ErrGDSNotAvailable = errors.New("Graph Data Science library not available")
)