firebase

type AuthClient interface {
	VerifyIDToken(context.Context, string) (*auth.Token, error)
}

type AuthContext = *auth.Token

type AuthPolicy = func(context.Context, AuthContext, json.RawMessage) error

type Firebase struct {
	ProjectId string          // Firebase project ID.
	App       *firebasev4.App // Firebase app instance.
	// contains filtered or unexported fields
}

type FirebaseTelemetryOptions struct {
	// ProjectID is the Firebase/Google Cloud project ID.
	// If empty, will be auto-detected from environment variables in priority order:
	// 1. FIREBASE_PROJECT_ID, 2. GOOGLE_CLOUD_PROJECT, 3. GCLOUD_PROJECT
	ProjectID string

	// Credentials for authenticating with Google Cloud.
	// If nil, uses Application Default Credentials (ADC).
	// Primarily intended for use in environments outside of GCP.
	// On GCP, credentials will typically be inferred from the environment via ADC.
	Credentials *google.Credentials

	// Sampler controls trace sampling. If nil, uses AlwaysOnSampler.
	// Examples: AlwaysOnSampler, AlwaysOffSampler, TraceIdRatioBasedSampler
	Sampler sdktrace.Sampler

	// MetricExportIntervalMillis controls metrics export frequency.
	// Google Cloud requires minimum 5000ms. Defaults to 5000 (dev) or 300000 (prod).
	MetricExportIntervalMillis *int

	// MetricExportTimeoutMillis controls metrics export timeout.
	// Defaults to match MetricExportIntervalMillis.
	MetricExportTimeoutMillis *int

	// DisableMetrics disables metric export to Google Cloud.
	// Traces and logs may still be exported. Defaults to false.
	DisableMetrics bool

	// DisableTraces disables trace export to Google Cloud.
	// Metrics and logs may still be exported. Defaults to false.
	DisableTraces bool

	// DisableLoggingInputAndOutput disables input/output logging.
	// Defaults to false (input/output logging enabled).
	DisableLoggingInputAndOutput bool

	// ForceDevExport forces telemetry export even in development environment.
	// Defaults to false (only exports in production unless forced).
	ForceDevExport bool
}

type RetrieverOptions struct {
	Name            string                    // Name of the retriever
	Label           string                    // Label for the retriever
	Collection      string                    // Firestore collection name
	Embedder        ai.Embedder               // Embedder instance for generating embeddings
	VectorField     string                    // Field name for storing vectors
	MetadataFields  []string                  // List of metadata fields to retrieve
	ContentField    string                    // Field name for storing content
	Limit           int                       // Limit on the number of results
	DistanceMeasure firestore.DistanceMeasure // Distance measure for vector similarity
}

type VectorType int