package apis

import (
	"net/http"
	"net/http/pprof"

	"github.com/felixge/fgprof"
)

// ProfilerHandler
func ProfilerHandler() http.Handler {
	mux := http.NewServeMux()
	mux.HandleFunc("/debug/pprof/", pprof.Index)
	mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
	mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
	mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
	mux.HandleFunc("/debug/pprof/trace", pprof.Trace)

	// 性能监控
	// https://github.com/thanos-io/thanos/blob/main/pkg/server/http/http.go#L118
	mux.Handle("/debug/fgprof", fgprof.Handler())

	return mux
}

// HealthyHandler Healthz 接口
func HealthzHandler(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("OK"))
}

// HealthyHandler 健康检查
func HealthyHandler(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("OK"))
}

// ReadyHandler 健康检查
func ReadyHandler(w http.ResponseWriter, r *http.Request) {
	w.Write([]byte("OK"))
}