package rpc

import (
	"encoding/json"
	"testing"
	"time"

	"src.dualinventive.com/go/dinet/ditime"

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

func TestResultValueItems(t *testing.T) {
	var rvi ResultValueItem

	require.Equal(t, ErrMsgNoData, rvi.GetValue(nil))

	js := `{"uid": 1, "time": 2, "value": 5.5}`
	require.Nil(t, json.Unmarshal([]byte(js), &rvi))

	require.Equal(t, uint16(1), rvi.UID)
	require.Equal(t, ditime.Time(2), rvi.Time)
	var str struct {
		Hello string
	}
	require.NotNil(t, rvi.GetValue(&str))
	var f float64
	require.Nil(t, rvi.GetValue(&f))
	require.Equal(t, 5.5, f)
}

func TestResultValuesItems(t *testing.T) {
	var rvi ResultValueItem

	js := `{"uid": 1, "time": 1535546718115, "values": {"interval": 312500, "samples" : [1, 2, 3, 4]}}`
	require.Nil(t, json.Unmarshal([]byte(js), &rvi))

	require.Equal(t, uint16(1), rvi.UID)
	require.Equal(t, ditime.Time(1535546718115), rvi.Time)
	require.NotNil(t, rvi.Values)
	require.Equal(t, 312*time.Microsecond+500*time.Nanosecond, rvi.Values.Interval)
	require.ElementsMatch(t, rvi.Values.Samples,
		[]float64{1, 2, 3, 4})
}