stats

type BaseAnswer struct {
	StatusCode int    `json:"statusCode"`
	Details    string `json:"details"`
}

type CheckFunc func() (bool, string)

type ErrorAnswer struct {
	Body ErrorAnswerBody `json:"error"`
}

type ErrorAnswerBody struct {
	Code string `json:"code"`
	BaseAnswer
}

type IProviderMetrics interface {
	// GetMetrics return map of the metrics from provider
	GetMetrics(prefix string) MapMetricsOptions
	// GetAliveHandlers return array of the aliveHandlers from provider
	GetAliveHandlers(prefix string) MapCheckFunc
	// GetReadyHandlers return array of the readyHandlers from provider
	GetReadyHandlers(prefix string) MapCheckFunc
}

type IProvidersMetrics interface {
	// GetMetrics return map of the metrics from provider
	GetAllMetrics(out MapMetricsOptions) (MapMetricsOptions, error)
	// GetAliveHandlers return array of the aliveHandlers from provider
	GetAllAliveHandlers(out MapCheckFunc) (MapCheckFunc, error)
	// GetReadyHandlers return array of the readyHandlers from provider
	GetAllReadyHandlers(out MapCheckFunc) (MapCheckFunc, error)
}

type MapCheckFunc map[string]CheckFunc

type MapMetricsOptions map[string]*MetricOptions

type MetricOptions struct {
	// Metric is a metric
	Metric interface{}
	// MetricFunc is a func for update metric
	MetricFunc func(metric interface{})
}

type Provider interface {
	provider.IProvider
	provider.IEniter
	// RegisterAliveCheck should register a function for /health/alive
	// endpoint.
	// Checks registered via RegisterReadyCheck can appear in random order
	// in response.
	RegisterAliveCheck(dependencyName string, checkFunc CheckFunc) error
	// RegisterMetric should register a metric of defined type. Passed
	// metricName should be used only as internal identifier. Provider
	// should provide instructions for using metricOptions as well as
	// cast to appropriate type.
	RegisterMetric(metricName string, metricOptions interface{}) error
	// RegisterReadyCheck should register a function for /health/ready
	// endpoint.
	// Checks registered via RegisterReadyCheck can appear in random order
	// in response.
	RegisterReadyCheck(dependencyName string, checkFunc CheckFunc) error
}

type ResultAnswer struct {
	Body interface{} `json:"result"`
}

type Service struct {
	// Connection metrics
	Metrics MapMetricsOptions
	// Connection alive handlers
	AliveHandlers MapCheckFunc
	// Connection ready handlers
	ReadyHandlers MapCheckFunc
}

type Statistics struct {
	*providers.BaseProviders
}