package datanode

import (
	"context"
	"math"
	"testing"
	"time"

	"github.com/stretchr/testify/require"

	"github.com/zilliztech/milvus-distributed/internal/msgstream"
	"github.com/zilliztech/milvus-distributed/internal/util/flowgraph"
)

func TestFlowGraphInsertBufferNode_Operate(t *testing.T) {
	const ctxTimeInMillisecond = 2000
	const closeWithDeadline = false
	var ctx context.Context

	if closeWithDeadline {
		var cancel context.CancelFunc
		d := time.Now().Add(ctxTimeInMillisecond * time.Millisecond)
		ctx, cancel = context.WithDeadline(context.Background(), d)
		defer cancel()
	} else {
		ctx = context.Background()
	}

	testPath := "/test/datanode/root/meta"
	err := clearEtcd(testPath)
	require.NoError(t, err)
	Params.MetaRootPath = testPath

	Factory := &MetaFactory{}
	collMeta := Factory.CollectionMetaFactory(UniqueID(0), "coll1")

	replica := newReplica()
	err = replica.addCollection(collMeta.ID, collMeta.Schema)
	require.NoError(t, err)

	idFactory := AllocatorFactory{}
	iBNode := newInsertBufferNode(ctx, newMetaTable(), replica, idFactory)
	inMsg := genInsertMsg()
	var iMsg flowgraph.Msg = &inMsg
	iBNode.Operate([]*flowgraph.Msg{&iMsg})
}

func genInsertMsg() insertMsg {

	timeRange := TimeRange{
		timestampMin: 0,
		timestampMax: math.MaxUint64,
	}

	var iMsg = &insertMsg{
		insertMessages: make([]*msgstream.InsertMsg, 0),
		flushMessages:  make([]*flushMsg, 0),
		timeRange: TimeRange{
			timestampMin: timeRange.timestampMin,
			timestampMax: timeRange.timestampMax,
		},
	}

	dataFactory := NewDataFactory()
	iMsg.insertMessages = append(iMsg.insertMessages, dataFactory.GetMsgStreamInsertMsgs(2)...)

	fmsg := &flushMsg{
		msgID:        1,
		timestamp:    2000,
		segmentIDs:   []UniqueID{1},
		collectionID: UniqueID(1),
	}

	iMsg.flushMessages = append(iMsg.flushMessages, fmsg)
	return *iMsg

}