package client

import (
	"context"
	"net"
	"testing"
)

func TestCheckLocal(t *testing.T) {
	listener, err := net.Listen("tcp", "127.0.0.1:0")
	if err != nil {
		t.Fatal(err)
	}
	defer listener.Close()
	go func() {
		for {
			conn, err := listener.Accept()
			if err != nil {
				return
			}
			conn.Close()
		}
	}()

	ctx := context.Background()
	if up, detail := CheckLocal(ctx, listener.Addr().String()); !up {
		t.Errorf("listener should be up: %s", detail)
	}
	if up, _ := CheckLocal(ctx, "127.0.0.1:1"); up {
		t.Error("closed port should be down")
	}
}

func TestCheckSummary(t *testing.T) {
	results := []RouteCheck{
		{LocalUp: true, PublicUp: true},
		{LocalUp: false, PublicUp: true},
	}
	if got := CheckSummary(results); got != "local 1/2 up · public 2/2 up" {
		t.Errorf("summary = %q", got)
	}
}

func TestCheckRouteMissing(t *testing.T) {
	cfg := &Config{Routes: map[string]Route{}, Hostname: "abc.tunnel.example"}
	result := CheckRoute(context.Background(), cfg, "missing")
	if result.LocalUp || result.PublicUp || result.LocalError == "" {
		t.Errorf("missing route result: %+v", result)
	}
}