package server

import (
	"net"
	"net/http"
	"sync"

	"github.com/pkg/errors"
	"github.com/gorilla/mux"
	"github.com/prometheus/client_golang/prometheus/promhttp"
)

type Server struct {
	HttpServer *http.Server
	Listener   net.Listener
	wg         sync.WaitGroup
}

var (
	networkTCP  = "tcp"
)


func NewServer(port string)  (*Server, error) {

	network := networkTCP

	listener, err := net.Listen(network, ":" + port)
	if err != nil {
		return nil, errors.Wrap(err, "failed to create listener")
	}

	router := mux.NewRouter()
	router.HandleFunc("/events", eventsHandler).Methods("POST")
	router.HandleFunc("/events/json", eventsHandlerJson).Methods("POST")
	router.HandleFunc("/health", healthHandler).Methods("GET")
	router.HandleFunc("/health/toggle", healthToggleHandler).Methods("GET")
	router.HandleFunc("/schema/get", getSchemaHandler).Methods("GET")
	router.HandleFunc("/schema/refresh", refreshSchemaHandler).Methods("POST")
	router.HandleFunc("/schema/add", addSchemaHandler).Methods("POST")
	//router.Path("/metrics").Handler(promhttp.Handler())
	// router.HandleFunc("/test", testHandler).Methods("GET")
	// router.HandleFunc("/stop", stopHandler).Methods("POST")

	httpServer := &http.Server{Addr: ":" + port, Handler: router}
	newServer := &Server{HttpServer: httpServer, Listener: listener}
	return newServer, nil

}

func MetricServer(port string) (*Server, error) {
	network := networkTCP

	listener, err := net.Listen(network, ":"+port)
	if err != nil {
		return nil, errors.Wrap(err, "failed to create listener")
	}

	router := mux.NewRouter()

	router.Path("/metrics").Handler(promhttp.Handler())

	httpServer := &http.Server{Addr: ":" + port, Handler: router}
	mServer := &Server{HttpServer: httpServer, Listener: listener}
	return mServer, nil
}