package instrumentation

import (
	"github.com/prometheus/client_golang/prometheus"
	"github.com/prometheus/client_golang/prometheus/promauto"
)

var KafkaPushCounter = promauto.NewCounterVec(
	prometheus.CounterOpts{
		Name: "janus_kafka_push_requests",
		Help: "Number of Kafka Push requests",
	},
	[]string{"topic", "source"},
)

var ProducerFailCounter = promauto.NewCounterVec(
	prometheus.CounterOpts{
		Name: "janus_producer_send_fail",
		Help: "Number of failed requests.",
	},
	[]string{"topic"},
)

var RequestCounter = promauto.NewCounterVec(
	prometheus.CounterOpts{
		Name: "janus_total_requests",
		Help: "Number of get requests.",
	},
	[]string{"source"},
)

var EventProcessingTimeHist = promauto.NewHistogramVec(
	prometheus.HistogramOpts{
		Name: "janus_event_processing_time_ms",
		Help: "Time taken to process event",
	},
	[]string{"topic", "source"},
)

var EventHandlerTimeHist = promauto.NewHistogramVec(
	prometheus.HistogramOpts{
		Name: "janus_event_handler_time_ms",
		Help: "Time taken to receive request, send it to processing and return response",
	},
	[]string{"event_type", "status"},
)

var KafkaPushTimeHist = promauto.NewHistogramVec(
	prometheus.HistogramOpts{
		Name: "janus_kafka_push_time_ms",
		Help: "Time taken to write event to Kafka",
	},
	[]string{"topic", "source"},
)