package http

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

labels.search_result_select_sort=-- Sortiere --
labels.search_result_select_num=-- Suchergebnisse pro Seite --
labels.search_result_sort_score_desc=Bewertung
labels.search_result_sort_filename_asc=Dateiname (aufsteigend)
labels.search_result_sort_filename_desc=Dateiname (absteigend)
labels.search_result_sort_created_asc=Datum (aufsteigend)
labels.search_result_sort_created_desc=Datum (absteigend)

	host, port, err := net.SplitHostPort(addr)
	if err != nil {
		if !strings.Contains(err.Error(), "missing port in address") {
			return "", "", err
		}

		host = addr

		switch scheme {
		case "https":
			port = "443"
		case "http":
			port = "80"
		default:
			return "", "", errors.New("unable to guess port from scheme")
		}
	}

}

func (c *ConfigWriter) PrintRemoteListenerSummary() error {
	w, listeners, err := c.setupListenerConfigWriter()
	if err != nil {
		return err
	}
	// Sort by port, addr, type
	sort.Slice(listeners, func(i, j int) bool {
		if listeners[i].GetInternalListener() != nil && listeners[j].GetInternalListener() != nil {
			return listeners[i].GetName() < listeners[j].GetName()
		}

	return nil
}

func retrieveSortedEndpointClusterSlice(ec []EndpointCluster) []EndpointCluster {
	sort.Slice(ec, func(i, j int) bool {
		if ec[i].address == ec[j].address {
			if ec[i].port == ec[j].port {
				return ec[i].cluster < ec[j].cluster
			}
			return ec[i].port < ec[j].port
		}
		return ec[i].address < ec[j].address
	})
	return ec
}

func printFailedOutlierCheck(b bool) string {

type ClusterFilter struct {
	FQDN      host.Name
	Port      int
	Subset    string
	Direction model.TrafficDirection
}

// Verify returns true if the passed cluster matches the filter fields
func (c *ClusterFilter) Verify(cluster *cluster.Cluster) bool {
	name := cluster.Name
	if c.FQDN == "" && c.Port == 0 && c.Subset == "" && c.Direction == "" {
		return true
	}

	"xds-address":         env.Register("ISTIOCTL_XDS_ADDRESS", "", "The istioctl --xds-address override"),
	"xds-port":            env.Register("ISTIOCTL_XDS_PORT", 15012, "The istioctl --xds-port override"),
	"authority":           env.Register("ISTIOCTL_AUTHORITY", "", "The istioctl --authority override"),

		{"server:http", "server", "80"},
	}

	for _, testCase := range testCases {
		host, port := mustSplitHostPort(testCase.hostPort)
		if testCase.expectedHost != host {
			t.Fatalf("host: expected = %v, got = %v", testCase.expectedHost, host)
		}

		if testCase.expectedPort != port {
			t.Fatalf("port: expected = %v, got = %v", testCase.expectedPort, port)
		}
	}
}

func TestSortIPs(t *testing.T) {
	testCases := []struct {

labels.search_related_queries=Related Words:
labels.search_result_select_sort=-- Sort --
labels.search_result_select_num=-- Results per page --
labels.search_result_sort_score_desc=Score
labels.search_result_sort_filename_asc=File Name (ascending)
labels.search_result_sort_filename_desc=File Name (descending)
labels.search_result_sort_created_asc=Date (ascending)
labels.search_result_sort_created_desc=Date (descending)

labels.search_related_queries=Related Words:
labels.search_result_select_sort=-- Sort --
labels.search_result_select_num=-- Results per page --
labels.search_result_sort_score_desc=Score
labels.search_result_sort_filename_asc=File Name (ascending)
labels.search_result_sort_filename_desc=File Name (descending)
labels.search_result_sort_created_asc=Date (ascending)
labels.search_result_sort_created_desc=Date (descending)