// Copyright 2023 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.

#pragma once

#include <Debug/MockExecutor/AstToPB.h>
#include <Debug/MockExecutor/ExecutorBinder.h>

namespace DB::mock
{
class ExchangeReceiverBinder
    : public ExecutorBinder
    , public std::enable_shared_from_this<ExchangeReceiverBinder>
{
public:
    ExchangeReceiverBinder(
        size_t & index,
        const DAGSchema & output,
        uint64_t fine_grained_shuffle_stream_count_ = 0,
        const std::shared_ptr<ExchangeSenderBinder> & exchange_sender_ = nullptr)
        : ExecutorBinder(index, "exchange_receiver_" + std::to_string(index), output)
        , fine_grained_shuffle_stream_count(fine_grained_shuffle_stream_count_)
        , exchange_sender(exchange_sender_)
    {}

    bool toTiPBExecutor(tipb::Executor * tipb_executor, int32_t collator_id, const MPPInfo & mpp_info, const Context &)
        override;

    void columnPrune(std::unordered_set<String> &) override {}

    void toMPPSubPlan(
        size_t & executor_index,
        const DAGProperties &,
        std::unordered_map<
            String,
            std::pair<std::shared_ptr<ExchangeReceiverBinder>, std::shared_ptr<ExchangeSenderBinder>>> & exchange_map)
        override;

private:
    TaskMetas task_metas;
    uint64_t fine_grained_shuffle_stream_count;
    std::shared_ptr<ExchangeSenderBinder> exchange_sender;
};

ExecutorBinderPtr compileExchangeReceiver(
    size_t & executor_index,
    DAGSchema schema,
    uint64_t fine_grained_shuffle_stream_count,
    const std::shared_ptr<ExchangeSenderBinder> & exchange_sender);
} // namespace DB::mock