package netmap

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestNetworkInfo_CurrentEpoch(t *testing.T) {
	i := NewNetworkInfo()
	e := uint64(13)

	i.SetCurrentEpoch(e)

	require.Equal(t, e, i.CurrentEpoch())
	require.Equal(t, e, i.ToV2().GetCurrentEpoch())
}

func TestNetworkInfo_MagicNumber(t *testing.T) {
	i := NewNetworkInfo()
	m := uint64(666)

	i.SetMagicNumber(m)

	require.Equal(t, m, i.MagicNumber())
	require.Equal(t, m, i.ToV2().GetMagicNumber())
}

func TestNetworkInfoEncoding(t *testing.T) {
	i := NewNetworkInfo()
	i.SetCurrentEpoch(13)
	i.SetMagicNumber(666)

	t.Run("binary", func(t *testing.T) {
		data, err := i.Marshal()
		require.NoError(t, err)

		i2 := NewNetworkInfo()
		require.NoError(t, i2.Unmarshal(data))

		require.Equal(t, i, i2)
	})

	t.Run("json", func(t *testing.T) {
		data, err := i.MarshalJSON()
		require.NoError(t, err)

		i2 := NewNetworkInfo()
		require.NoError(t, i2.UnmarshalJSON(data))

		require.Equal(t, i, i2)
	})
}

func TestNewNetworkInfoFromV2(t *testing.T) {
	t.Run("nil", func(t *testing.T) {
		require.Nil(t, NewNetworkInfoFromV2(nil))
	})
}

func TestNetworkInfo_ToV2(t *testing.T) {
	t.Run("nil", func(t *testing.T) {
		var x *NetworkInfo

		require.Nil(t, x.ToV2())
	})
}

func TestNewNetworkInfo(t *testing.T) {
	ni := NewNetworkInfo()

	// check initial values
	require.Zero(t, ni.CurrentEpoch())
	require.Zero(t, ni.MagicNumber())

	// convert to v2 message
	niV2 := ni.ToV2()

	require.Zero(t, niV2.GetCurrentEpoch())
	require.Zero(t, niV2.GetMagicNumber())
}