package port

import (
	"context"

	"git.threesix.ai/jordan/slack5-1770541397/services/preferences-api/internal/domain"
)

// PreferencesRepository defines the interface for user preferences persistence.
// Implementations may use databases or in-memory storage.
type PreferencesRepository interface {
	// Get returns the preferences for a user.
	// Returns domain.ErrPreferencesNotFound if no preferences exist.
	Get(ctx context.Context, userID domain.UserID) (*domain.UserPreferences, error)

	// Upsert creates or replaces the preferences for a user.
	Upsert(ctx context.Context, prefs *domain.UserPreferences) error
}