// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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

#include "segcore/Collection.h"
#include "pb/common.pb.h"
#include "pb/schema.pb.h"
#include "pb/etcd_meta.pb.h"

#include <google/protobuf/text_format.h>
#include <knowhere/index/vector_index/adapter/VectorAdapter.h>

namespace milvus::segcore {

Collection::Collection(const std::string& collection_proto) : schema_proto_(collection_proto) {
    parse();
}

void
Collection::parse() {
    // if (schema_proto_.empty()) {
    //     // TODO: remove hard code use unittests are ready
    //     std::cout << "WARN: Use default schema" << std::endl;
    //     auto schema = std::make_shared<Schema>();
    //     schema->AddDebugField("fakevec", DataType::VECTOR_FLOAT, 16, MetricType::METRIC_L2);
    //     schema->AddDebugField("age", DataType::INT32);
    //     collection_name_ = "default-collection";
    //     schema_ = schema;
    //     return;
    // }

    Assert(!schema_proto_.empty());
    milvus::proto::schema::CollectionSchema collection_schema;
    auto suc = google::protobuf::TextFormat::ParseFromString(schema_proto_, &collection_schema);

    if (!suc) {
        std::cerr << "unmarshal schema string failed" << std::endl;
    }

    collection_name_ = collection_schema.name();
    schema_ = Schema::ParseFrom(collection_schema);
    int i = 1 + 1;
}

}  // namespace milvus::segcore