/*
 *     Copyright 2021-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

// TODO: remove this when moving the wrap_request call
#include "core/operations/document_query.hxx"
#include <couchbase/query_options.hxx>

// NOTE: when query is in public api, we will hold a query_options struct instead, and
// import that from the public api.

namespace couchbase::transactions
{
class transaction_context;

/**
 * The transaction_query_options are options specific to a query.
 *
 * Some of the options will override the corresponding elements in the @ref transactions_query_config section of the
 * @ref transactions_config.
 */
class transaction_query_options
{
  public:
    transaction_query_options()
    {
        // set defaults specific to query in transactions.
        opts_.metrics(true);
    }

    /**
     * Set an option which isn't exposed explicitly in transaction_query_options.
     *
     * @see query_options::raw for details.
     *
     * @tparam Value type of the value.
     * @param key The name of the option.
     * @param value The value of this option.
     * @return reference to this object, convenient for chaining calls.
     */
    template<typename Value>
    transaction_query_options& raw(const std::string& key, const Value& value)
    {
        opts_.raw(key, value);
        return *this;
    }
    /**
     * Set ad_hoc.
     *
     * Inform query service that this query is, or is not, a prepared statement query.   @see query_options::adhoc for
     * detailed discussion.
     *
     * @param value if set to false this query will be turned into a prepared statement query.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& ad_hoc(bool value)
    {
        opts_.adhoc(value);
        return *this;
    }
    /**
     * Set the query_scan_consistency for this query.
     *
     * @see query_options::scan_consistency for details.
     *
     * @param scan_consistency Desired scan consistency.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& scan_consistency(query_scan_consistency scan_consistency)
    {
        opts_.scan_consistency(scan_consistency);
        return *this;
    }

    /**
     * Set the profile mode for this query.
     *
     * @see query_options::profile for details.
     *
     * @param mode desired profile mode.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& profile(query_profile mode)
    {
        opts_.profile(mode);
        return *this;
    }
    /**
     * Set a client id for this query.
     *
     * @see query_options::client_context_id for details.
     *
     * @param id Desired id
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& client_context_id(const std::string& id)
    {
        opts_.client_context_id(id);
        return *this;
    }

    /**
     * Set the scan_wait time
     *
     * @see query_options::scan_wait for details.
     *
     * @param scan_wait Desired time for scan_wait.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& scan_wait(std::chrono::milliseconds scan_wait)
    {
        opts_.scan_wait(scan_wait);
        return *this;
    }

    /**
     * Set the readonly hint for this query.
     *
     * @see query_options::readonly
     *
     * @param readonly True if query doesn't mutate documents.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& readonly(bool readonly)
    {
        opts_.readonly(readonly);
        return *this;
    }
    /**
     * Set the scan cap for this query.
     *
     * @see query_options::scan_cap for details.
     *
     * @param cap Desired cap.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& scan_cap(std::uint64_t cap)
    {
        opts_.scan_cap(cap);
        return *this;
    }
    /**
     * Set pipeline_batch size for this query.
     *
     * @see query_options::pipeline_batch for details.
     *
     * @param batch desired batch size.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& pipeline_batch(std::uint64_t batch)
    {
        opts_.pipeline_batch(batch);
        return *this;
    }

    /**
     * Set pipeline cap for this query.
     *
     * @see query_options::pipeline_cap for details.
     *
     * @param cap desired cap.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& pipeline_cap(std::uint64_t cap)
    {
        opts_.pipeline_cap(cap);
        return *this;
    }

    /**
     * Set positional parameters for this query.
     *
     * @see query_options::positional_parameters for details.
     *
     * @tparam Parameters Types of the parameters
     * @param parameters the sequence of positional parameters for this query.
     * @return reference to this object, convenient for chaining calls.
     */
    template<typename... Parameters>
    auto positional_parameters(const Parameters&... parameters)
    {
        opts_.positional_parameters(parameters...);
        return *this;
    }
    /**
     * Set named parameters for this query.
     *
     * @see query_options::named_parameters for details.
     *
     * @tparam Parameters Types of the parameter pairs.
     * @param parameters the sequence of name-value pairs. Each value will be encoded into JSON.
     * @return reference to this object, convenient for chaining calls.
     */
    template<typename... Parameters>
    transaction_query_options& named_parameters(const Parameters&... parameters)
    {
        opts_.named_parameters(parameters...);
        return *this;
    }
    /**
     * Set metrics for this query.
     *
     * If true, the query results will contain metrics.  This is true by default for transactional queries.
     * @see query_options::metrics for details.
     *
     * @param metrics True if metrics are desired.
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& metrics(bool metrics)
    {
        opts_.metrics(metrics);
        return *this;
    }

    /**
     * Set max parallelism for this query.
     *
     * @see query_options::max_parallelism for details.
     *
     * @param max Desired max parallelism
     * @return reference to this object, convenient for chaining calls.
     */
    transaction_query_options& max_parallelism(std::uint64_t max)
    {
        opts_.max_parallelism(max);
        return *this;
    }

    /** @private */
    transaction_query_options& encoded_raw_options(std::map<std::string, codec::binary, std::less<>> options)
    {
        opts_.encoded_raw_options(options);
        return *this;
    }

    /** @private */
    transaction_query_options& encoded_positional_parameters(std::vector<codec::binary> parameters)
    {
        opts_.encoded_positional_parameters(parameters);
        return *this;
    }

    /** @private */
    transaction_query_options& encoded_named_parameters(std::map<std::string, codec::binary, std::less<>> parameters)
    {
        opts_.encoded_named_parameters(parameters);
        return *this;
    }

    /** @private */
    const query_options& get_query_options() const
    {
        return opts_;
    }

  private:
    query_options opts_{};
};
} // namespace couchbase::transactions