// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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 "core/column/column_array.h"

#include "core/data_type/data_type_array.h"

#include "core/data_type/data_type_number.h"

#include "exprs/function/array/function_array_utils.h"

#include "exprs/function/function.h"

#include "exprs/function/function_helpers.h"

namespace doris {

#include "common/compile_check_begin.h"

// Functions with more than two arrays of the same element type.

template <typename Impl, typename Name>

class FunctionArrayNary : public IFunction {

public:

    static constexpr auto name = Name::name;

    static FunctionPtr create() { return std::make_shared<FunctionArrayNary>(); }

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    static FunctionPtr create() { return std::make_shared<FunctionArrayNary>(); }

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    static FunctionPtr create() { return std::make_shared<FunctionArrayNary>(); }

    String get_name() const override { return name; }

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE0EEENS_18NameArrayIntersectEE8get_nameB5cxx11Ev

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE1EEENS_14NameArrayUnionEE8get_nameB5cxx11Ev

    bool is_variadic() const override { return true; }

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    bool is_variadic() const override { return true; }

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    bool is_variadic() const override { return true; }

    size_t get_number_of_arguments() const override { return 0; }

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE0EEENS_18NameArrayIntersectEE23get_number_of_argumentsEv

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE1EEENS_14NameArrayUnionEE23get_number_of_argumentsEv

    DataTypePtr get_return_type_impl(const DataTypes& arguments) const override {

        DCHECK(arguments.size() >= 2)

                << "function: " << get_name() << ", arguments should large equals than 2";

        CHECK(arguments[0]->get_primitive_type() == TYPE_ARRAY)

                << "0-th element is " << arguments[0]->get_name() << ",not array type";

        auto nested_type = remove_nullable(

                assert_cast<const DataTypeArray&>(*(arguments[0])).get_nested_type());

        for (size_t i = 1; i < arguments.size(); ++i) {

            CHECK(arguments[i]->get_primitive_type() == TYPE_ARRAY)

                    << i << "-th element is " << arguments[i]->get_name() << ", not array type";

            auto right_nested_type = remove_nullable(

                    assert_cast<const DataTypeArray&>(*(remove_nullable(arguments[i])))

                            .get_nested_type());

            // do check array nested data type, now we just support same nested data type

            CHECK(nested_type->equals_ignore_precision(*right_nested_type))

                    << "data type " << arguments[i]->get_name() << " not equal with "

                    << arguments[0]->get_name();

        }

        DataTypePtr res_data_type = Impl::get_return_type(arguments);

        return res_data_type;

    }

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE0EEENS_18NameArrayIntersectEE20get_return_type_implERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaISA_EE

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE1EEENS_14NameArrayUnionEE20get_return_type_implERKSt6vectorISt10shared_ptrIKNS_9IDataTypeEESaISA_EE

    Status execute_impl(FunctionContext* context, Block& block, const ColumnNumbers& arguments,

                        uint32_t result, size_t input_rows_count) const override {

        ColumnPtr res_ptr;

        ColumnArrayExecutionDatas datas(arguments.size());

        std::vector<bool> col_const(arguments.size());

        for (int i = 0; i < arguments.size(); ++i) {

            const auto& [col, is_const] =

                    unpack_if_const(block.get_by_position(arguments[i]).column);

            col_const[i] = is_const;

            extract_column_array_info(*col, datas[i]);

        }

        if (Status st = Impl::execute(res_ptr, datas, col_const, 0, input_rows_count); !st.ok()) {

            return Status::RuntimeError(

                    fmt::format("function {} execute failed {} ", get_name(), st.to_string()));

        }

        block.replace_by_position(result, std::move(res_ptr));

        return Status::OK();

    }

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE0EEENS_18NameArrayIntersectEE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjm

Unexecuted instantiation: _ZNK5doris17FunctionArrayNaryINS_12ArrayMapImplILNS_12MapOperationE1EEENS_14NameArrayUnionEE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjm

};

#include "common/compile_check_end.h"

} // namespace doris