package main

import (
	"log"
	config "openreplay/backend/internal/config/db"
	"openreplay/backend/internal/db"
	"openreplay/backend/internal/db/datasaver"
	"openreplay/backend/pkg/db/postgres"
	"openreplay/backend/pkg/db/postgres/pool"
	"openreplay/backend/pkg/db/redis"
	"openreplay/backend/pkg/memory"
	"openreplay/backend/pkg/messages"
	"openreplay/backend/pkg/metrics"
	databaseMetrics "openreplay/backend/pkg/metrics/database"
	"openreplay/backend/pkg/projects"
	"openreplay/backend/pkg/queue"
	"openreplay/backend/pkg/sessions"
	"openreplay/backend/pkg/tags"
	"openreplay/backend/pkg/terminator"
)

func main() {
	log.SetFlags(log.LstdFlags | log.LUTC | log.Llongfile)

	m := metrics.New()
	m.Register(databaseMetrics.List())

	cfg := config.New()

	// Init postgres connection
	pgConn, err := pool.New(cfg.Postgres.String())
	if err != nil {
		log.Printf("can't init postgres connection: %s", err)
		return
	}
	defer pgConn.Close()

	// Init events module
	pg := postgres.NewConn(pgConn)
	defer pg.Close()

	// Init redis connection
	redisClient, err := redis.New(&cfg.Redis)
	if err != nil {
		log.Printf("can't init redis connection: %s", err)
	}
	defer redisClient.Close()

	projManager := projects.New(pgConn, redisClient)
	sessManager := sessions.New(pgConn, projManager, redisClient)
	tagsManager := tags.New(pgConn)

	// Init data saver
	saver := datasaver.New(cfg, pg, sessManager, tagsManager)

	// Message filter
	msgFilter := []int{
		// Web messages
		messages.MsgMetadata, messages.MsgIssueEvent, messages.MsgSessionStart, messages.MsgSessionEnd,
		messages.MsgUserID, messages.MsgUserAnonymousID, messages.MsgIntegrationEvent, messages.MsgPerformanceTrackAggr,
		messages.MsgJSException, messages.MsgResourceTiming, messages.MsgCustomEvent, messages.MsgCustomIssue,
		messages.MsgFetch, messages.MsgNetworkRequest, messages.MsgGraphQL, messages.MsgStateAction, messages.MsgMouseClick,
		messages.MsgSetPageLocation, messages.MsgPageLoadTiming, messages.MsgPageRenderTiming,
		messages.MsgPageEvent, messages.MsgMouseThrashing, messages.MsgInputChange,
		messages.MsgUnbindNodes, messages.MsgCanvasNode, messages.MsgTagTrigger,
		// Mobile messages
		messages.MsgIOSSessionStart, messages.MsgIOSSessionEnd, messages.MsgIOSUserID, messages.MsgIOSUserAnonymousID,
		messages.MsgIOSMetadata, messages.MsgIOSEvent, messages.MsgIOSNetworkCall,
		messages.MsgIOSClickEvent, messages.MsgIOSSwipeEvent, messages.MsgIOSInputEvent,
		messages.MsgIOSCrash, messages.MsgIOSIssueEvent,
	}

	// Init consumer
	consumer := queue.NewConsumer(
		cfg.GroupDB,
		[]string{
			cfg.TopicRawWeb,
			cfg.TopicRawIOS,
			cfg.TopicAnalytics,
		},
		messages.NewMessageIterator(saver.Handle, msgFilter, true),
		false,
		cfg.MessageSizeLimit,
	)

	// Init memory manager
	memoryManager, err := memory.NewManager(cfg.MemoryLimitMB, cfg.MaxMemoryUsage)
	if err != nil {
		log.Printf("can't init memory manager: %s", err)
		return
	}

	// Run service and wait for TERM signal
	service := db.New(cfg, consumer, saver, memoryManager, sessManager)
	log.Printf("Db service started\n")
	terminator.Wait(service)
	log.Printf("Db service stopped\n")
}