/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 *   Copyright 2023-Present Couchbase, 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 <couchbase/search_query.hxx>

#include <string>
#include <vector>

namespace couchbase
{
/**
 * A doc_id query is a query that directly matches the documents whose ID have been provided. It can be combined within a conjunction_query
 * to restrict matches on the set of documents.
 *
 * @since 1.0.0
 * @committed
 */
class doc_id_query : public search_query
{
  public:
    doc_id_query() = default;

    /**
     * Create a new doc_id query.
     *
     * @param ids the list of document IDs to be restricted against.
     *
     * @since 1.0.0
     * @committed
     */
    explicit doc_id_query(std::vector<std::string> ids)
      : ids_{ std::move(ids) }
    {
    }

    /**
     * Create a new doc_id query.
     *
     * @param ids the list of document IDs to be restricted against.
     *
     * @since 1.0.0
     * @committed
     */
    doc_id_query(std::initializer_list<std::string> ids)
    {
        ids_.reserve(ids.size());
        doc_ids(ids);
    }

    /**
     * Add IDs to the query.
     *
     * @param ids  the list of document identifiers to add
     *
     * @return this query for chaining purposes.
     *
     * @since 1.0.0
     * @committed
     */
    auto doc_ids(const std::vector<std::string>& ids) -> doc_id_query&
    {
        for (const auto& id : ids) {
            ids_.push_back(id);
        }
        return *this;
    }

    /**
     * Add ID to the query.
     *
     * @param id  the document identifier to add
     *
     * @return this query for chaining purposes.
     *
     * @since 1.0.0
     * @committed
     */
    auto doc_id(const std::string& id) -> doc_id_query&
    {
        ids_.push_back(id);
        return *this;
    }

    /**
     * @return encoded representation of the query.
     *
     * @since 1.0.0
     * @internal
     */
    [[nodiscard]] auto encode() const -> encoded_search_query override;

  private:
    std::vector<std::string> ids_{};
};
} // namespace couchbase