package network

import (
	"testing"

	"github.com/multiformats/go-multiaddr"
	"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
	"github.com/stretchr/testify/require"
)

func TestAddressFromString(t *testing.T) {
	t.Run("valid addresses", func(t *testing.T) {
		testcases := []struct {
			inp string
			exp multiaddr.Multiaddr
		}{
			{":8080", buildMultiaddr("/ip4/0.0.0.0/tcp/8080", t)},
			{"example.com:7070", buildMultiaddr("/dns4/example.com/tcp/7070", t)},
			{"213.44.87.1:32512", buildMultiaddr("/ip4/213.44.87.1/tcp/32512", t)},
			{"[2004:eb1::1]:8080", buildMultiaddr("/ip6/2004:eb1::1/tcp/8080", t)},
		}

		for _, testcase := range testcases {
			addr, err := AddressFromString(testcase.inp)
			require.NoError(t, err)
			require.Equal(t, testcase.exp, addr.ma, testcase.inp)
		}
	})
}

func TestAddress_HostAddrString(t *testing.T) {
	t.Run("valid addresses", func(t *testing.T) {
		testcases := []struct {
			ma  multiaddr.Multiaddr
			exp string
		}{
			{buildMultiaddr("/dns4/neofs.bigcorp.com/tcp/8080", t), "neofs.bigcorp.com:8080"},
			{buildMultiaddr("/ip4/172.16.14.1/tcp/8080", t), "172.16.14.1:8080"},
		}

		for _, testcase := range testcases {
			addr := Address{testcase.ma}

			got := addr.HostAddr()

			require.Equal(t, testcase.exp, got)
		}
	})

	t.Run("invalid addresses", func(t *testing.T) {
		testcases := []multiaddr.Multiaddr{
			buildMultiaddr("/tcp/8080", t),
		}

		for _, testcase := range testcases {
			addr := Address{testcase}
			require.Panics(t, func() { addr.HostAddr() })
		}
	})
}

func buildMultiaddr(s string, t *testing.T) multiaddr.Multiaddr {
	ma, err := multiaddr.NewMultiaddr(s)
	require.NoError(t, err)
	return ma
}

func TestAddress_WriteToNodeInfo(t *testing.T) {
	a := "127.0.0.1:8080"

	addr, err := AddressFromString(a)
	require.NoError(t, err)

	var ni netmap.NodeInfo

	addr.WriteToNodeInfo(&ni)

	restored, err := AddressFromString(ni.Address())
	require.NoError(t, err)
	require.True(t, restored.Equal(*addr))
}