package server

import (
	"flag"
	"fmt"

	"github.com/grafana/pyroscope-go"
	"golang.conradwood.net/go-easyops/appinfo"
)

const (
	pyroscope_port = 3900
)

var (
	debug_pyroscope = flag.Bool("ge_debug_pyroscope", false, "if true print pyroscope messages stuff")
	start_pyroscope = flag.Bool("ge_start_pyroscope", false, "use ge-pyroscope:3900 to record hotspots")
	pyroscope_host  = flag.String("ge_pyroscope_host", "ge-pyroscope", "use `hostname`:3900 to record hotspots")
)

func start_profiling(sd *serverDef) {
	if *start_pyroscope {
		pyro_url := fmt.Sprintf("http://%s:%d", *pyroscope_host, pyroscope_port)
		pyroscope.Start(pyroscope.Config{
			ApplicationName: sd.name,
			ServerAddress:   pyro_url,
			Logger:          &pyroLogger{},
			//			Logger:          pyroscope.StandardLogger,
			Tags: map[string]string{
				"service_user_id": fmt.Sprintf("%s", sd.service_user_id),
				"artefactid":      fmt.Sprintf("%d", appinfo.AppInfo().ArtefactID),
				"version":         fmt.Sprintf("%d", appinfo.AppInfo().Number),
			},
		})
		fmt.Printf("[go-easyops] pyroscope started, connecting to host %s\n", pyro_url)
	}
}

type pyroLogger struct {
}

func (*pyroLogger) Infof(a string, b ...interface{}) {
	if !*debug_pyroscope {
		return
	}
	fmt.Printf("[PYROSCOPE-INFO]  "+a+"\n", b...) //nolint:forbidigo
}
func (*pyroLogger) Debugf(a string, b ...interface{}) {
	if !*debug_pyroscope {
		return
	}
	fmt.Printf("[PYROSCOPE-DEBUG] "+a+"\n", b...) //nolint:forbidigo
}
func (*pyroLogger) Errorf(a string, b ...interface{}) {
	if !*debug_pyroscope {
		return
	}
	fmt.Printf("[PYROSCOPE-ERROR] "+a+"\n", b...) //nolint:forbidigo
}