// Copyright 2020 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package mockstore

import (
	"github.com/pingcap/errors"
	"github.com/pingcap/tidb/pkg/kv"
	"github.com/pingcap/tidb/pkg/store/mockstore/mockstorage"
	"github.com/pingcap/tidb/pkg/store/mockstore/unistore"
	"github.com/tikv/client-go/v2/tikv"
	"github.com/tikv/client-go/v2/util"
)

func newUnistore(opts *mockOptions) (kv.Storage, error) {
	client, pdClient, cluster, err := unistore.New(opts.path, opts.pdAddrs)
	if err != nil {
		return nil, errors.Trace(err)
	}
	opts.clusterInspector(cluster)
	pdClient = util.InterceptedPDClient{
		Client: pdClient,
	}

	var kvstore *tikv.KVStore
	if opts.keyspaceMeta == nil {
		kvstore, err = tikv.NewTestTiKVStore(
			newClientRedirector(client),
			pdClient,
			opts.clientHijacker,
			opts.pdClientHijacker,
			opts.txnLocalLatches,
			opts.tikvOptions...)
		if err != nil {
			return nil, err
		}

		return mockstorage.NewMockStorage(kvstore, nil, opts.metaServiceInfo)
	}

	kvstore, err = tikv.NewTestKeyspaceTiKVStore(newClientRedirector(client),
		pdClient,
		opts.clientHijacker,
		opts.pdClientHijacker,
		opts.txnLocalLatches,
		*opts.keyspaceMeta,
		opts.tikvOptions...,
	)
	if err != nil {
		return nil, err
	}

	return mockstorage.NewMockStorage(kvstore, opts.keyspaceMeta, opts.metaServiceInfo)
}