package netxlite

import (
	"errors"
	"testing"

	"github.com/google/go-cmp/cmp"
	"github.com/ooni/probe-cli/v3/internal/netxlite/errorsx"
)

func TestQuirkReduceErrors(t *testing.T) {
	t.Run("no errors", func(t *testing.T) {
		result := quirkReduceErrors(nil)
		if result != nil {
			t.Fatal("wrong result")
		}
	})
	t.Run("single error", func(t *testing.T) {
		err := errors.New("mocked error")
		result := quirkReduceErrors([]error{err})
		if result != err {
			t.Fatal("wrong result")
		}
	})
	t.Run("multiple errors", func(t *testing.T) {
		err1 := errors.New("mocked error #1")
		err2 := errors.New("mocked error #2")
		result := quirkReduceErrors([]error{err1, err2})
		if result.Error() != "mocked error #1" {
			t.Fatal("wrong result")
		}
	})
	t.Run("multiple errors with meaningful ones", func(t *testing.T) {
		err1 := errors.New("mocked error #1")
		err2 := &errorsx.ErrWrapper{
			Failure: "unknown_failure: antani",
		}
		err3 := &errorsx.ErrWrapper{
			Failure: errorsx.FailureConnectionRefused,
		}
		err4 := errors.New("mocked error #3")
		result := quirkReduceErrors([]error{err1, err2, err3, err4})
		if result.Error() != errorsx.FailureConnectionRefused {
			t.Fatal("wrong result")
		}
	})
}

func TestQuirkSortIPAddrs(t *testing.T) {
	addrs := []string{
		"::1",
		"192.168.1.2",
		"2a00:1450:4002:404::2004",
		"142.250.184.36",
		"2604:8800:5000:82:466:38ff:fecb:d46e",
		"198.145.29.83",
		"95.216.163.36",
	}
	expected := []string{
		"192.168.1.2",
		"142.250.184.36",
		"198.145.29.83",
		"95.216.163.36",
		"::1",
		"2a00:1450:4002:404::2004",
		"2604:8800:5000:82:466:38ff:fecb:d46e",
	}
	out := quirkSortIPAddrs(addrs)
	if diff := cmp.Diff(expected, out); diff != "" {
		t.Fatal(diff)
	}
}