//go:build integration

package link

import (
	"fmt"
	"os"
	"strings"
	"testing"
	"time"

	"github.com/nats-io/nats.go"
	"github.com/novox/mesh-controller/internal/testbus"
)

func TestNatsARefusedQuestionIsSaidAtOnce(t *testing.T) {
	url := os.Getenv("MESH_TEST_NATS_REFUSING")
	if url == "" {
		t.Skip("MESH_TEST_NATS_REFUSING unset: a server whose user may not publish mesh.seat.>")
	}
	conn, err := nats.Connect(url)
	if err != nil {
		t.Fatal(err)
	}
	defer conn.Close()
	started := time.Now()
	_, err = AskSeatTool(t.Context(), conn, "node-intrusion-prevention", "banned", "anchor", map[string]any{}, 10*time.Second)
	if err == nil || !strings.Contains(err.Error(), "the bus refused") {
		t.Fatalf("answered %v", err)
	}
	if took := time.Since(started); took > 3*time.Second {
		t.Fatalf("a refusal took %s to be known", took)
	}
}

func TestNatsARefusalReachesItsWaiter(t *testing.T) {
	url := testbus.URL(t)
	conn, err := nats.Connect(url)
	if err != nil {
		t.Fatal(err)
	}
	defer conn.Close()
	mine, stop := refusalsOf(conn, "mesh.seat.s.tool.v.anchor")
	defer stop()
	other, stopOther := refusalsOf(conn, "mesh.seat.s.tool.v.laptop")
	defer stopOther()
	conn.ErrorHandler()(conn, nil, fmt.Errorf("%w: Permissions Violation for Publish to %q",
		nats.ErrPermissionViolation, "mesh.seat.s.tool.v.anchor"))
	select {
	case <-mine:
	case <-time.After(time.Second):
		t.Fatal("the waiter was not told")
	}
	select {
	case <-other:
		t.Fatal("another subject's waiter was told")
	default:
	}
}