package shard

import (
	"context"
	"testing"
	"time"

	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
	"github.com/stretchr/testify/require"
)

func TestShard_Delete_SmallObject(t *testing.T) {
	t.Run("small object without write cache", func(t *testing.T) {
		t.Parallel()
		testShard(t, false, 1<<5)
	})

	t.Run("small object with write cache", func(t *testing.T) {
		t.Parallel()
		testShard(t, true, 1<<5)
	})
}

func TestShard_Delete_BigObject(t *testing.T) {
	t.Run("big object without write cache", func(t *testing.T) {
		t.Parallel()
		testShard(t, false, 1<<20)
	})

	t.Run("big object with write cache", func(t *testing.T) {
		t.Parallel()
		testShard(t, true, 1<<20)
	})
}

func testShard(t *testing.T, hasWriteCache bool, payloadSize int) {
	sh := newShard(t, hasWriteCache)

	cnr := cidtest.ID()

	obj := testutil.GenerateObjectWithCID(cnr)
	testutil.AddAttribute(obj, "foo", "bar")
	testutil.AddPayload(obj, payloadSize)

	var putPrm PutPrm
	putPrm.SetObject(obj)

	var getPrm GetPrm
	getPrm.SetAddress(object.AddressOf(obj))

	var delPrm DeletePrm
	delPrm.SetAddresses(object.AddressOf(obj))

	_, err := sh.Put(context.Background(), putPrm)
	require.NoError(t, err)

	_, err = testGet(t, sh, getPrm, hasWriteCache)
	require.NoError(t, err)

	if hasWriteCache {
		sh.FlushWriteCache(context.Background(), FlushWriteCachePrm{ignoreErrors: false})
		require.Eventually(t, func() bool {
			_, err = sh.Delete(context.Background(), delPrm)
			return err == nil
		}, 30*time.Second, 10*time.Millisecond)
	} else {
		_, err = sh.Delete(context.Background(), delPrm)
		require.NoError(t, err)
	}

	_, err = sh.Get(context.Background(), getPrm)
	require.True(t, client.IsErrObjectNotFound(err))
}