package session

import sharederrors "knowfoolery/backend/shared/domain/errors"

var (
	// ErrSessionNotFound indicates the requested session does not exist.
	ErrSessionNotFound = sharederrors.New(sharederrors.CodeNotFound, "session not found")
	// ErrSessionExpired indicates the session exceeded allowed duration.
	ErrSessionExpired = sharederrors.New(sharederrors.CodeSessionExpired, "session expired")
	// ErrSessionNotActive indicates session mutations are not allowed in current state.
	ErrSessionNotActive = sharederrors.New(sharederrors.CodeSessionNotActive, "session is not active")
	// ErrGameInProgress indicates a player already has an active session.
	ErrGameInProgress = sharederrors.New(sharederrors.CodeGameInProgress, "active session already exists")
	// ErrMaxAttemptsReached indicates current question has exhausted attempts.
	ErrMaxAttemptsReached = sharederrors.New(sharederrors.CodeMaxAttemptsReached, "max attempts reached")
	// ErrHintAlreadyUsed indicates the hint is already consumed for current question.
	ErrHintAlreadyUsed = sharederrors.New(sharederrors.CodeConflict, "hint already used")
	// ErrForbidden indicates caller is not authorized for this session.
	ErrForbidden = sharederrors.New(sharederrors.CodeForbidden, "forbidden")
	// ErrInvalidState indicates session or question state is invalid for operation.
	ErrInvalidState = sharederrors.New(sharederrors.CodeValidationFailed, "invalid session state")
	// ErrRapidAnswer indicates anti-cheat latency guard rejected the answer.
	ErrRapidAnswer = sharederrors.New(sharederrors.CodeForbidden, "answer submitted too quickly")
)