/*
 *  Copyright (c) 2020, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 *   This file contains definitions for a simple CLI to control SRP Client.
 */

#ifndef CLI_SRP_CLIENT_HPP_
#define CLI_SRP_CLIENT_HPP_

#include "openthread-core-config.h"

#include <openthread/srp_client.h>
#include <openthread/srp_client_buffers.h>

#include "cli/cli_config.h"
#include "cli/cli_utils.hpp"

#if OPENTHREAD_CONFIG_SRP_CLIENT_ENABLE

namespace ot {
namespace Cli {

/**
 * Implements the SRP Client CLI interpreter.
 *
 */
class SrpClient : private Utils
{
public:
    /**
     * Constructor
     *
     * @param[in]  aInstance            The OpenThread Instance.
     * @param[in]  aOutputImplementer   An `OutputImplementer`.
     *
     */
    SrpClient(otInstance *aInstance, OutputImplementer &aOutputImplementer);

    /**
     * Processes a CLI sub-command.
     *
     * @param[in]  aArgs     An array of command line arguments.
     *
     * @retval OT_ERROR_NONE              Successfully executed the CLI command.
     * @retval OT_ERROR_PENDING           The CLI command was successfully started but final result is pending.
     * @retval OT_ERROR_INVALID_COMMAND   Invalid or unknown CLI command.
     * @retval OT_ERROR_INVALID_ARGS      Invalid arguments.
     * @retval ...                        Error during execution of the CLI command.
     *
     */
    otError Process(Arg aArgs[]);

private:
    static constexpr uint8_t kIndentSize       = 4;
    static constexpr uint8_t kMaxHostAddresses = OPENTHREAD_CONFIG_SRP_CLIENT_BUFFERS_MAX_HOST_ADDRESSES;

    using Command = CommandEntry<SrpClient>;

    template <CommandId kCommandId> otError Process(Arg aArgs[]);

    otError ProcessServiceAdd(Arg aArgs[]);

    void OutputHostInfo(uint8_t aIndentSize, const otSrpClientHostInfo &aHostInfo);
    void OutputServiceList(uint8_t aIndentSize, const otSrpClientService *aServices);
    void OutputService(uint8_t aIndentSize, const otSrpClientService &aService);

    static void HandleCallback(otError                    aError,
                               const otSrpClientHostInfo *aHostInfo,
                               const otSrpClientService  *aServices,
                               const otSrpClientService  *aRemovedServices,
                               void                      *aContext);
    void        HandleCallback(otError                    aError,
                               const otSrpClientHostInfo *aHostInfo,
                               const otSrpClientService  *aServices,
                               const otSrpClientService  *aRemovedServices);

    bool mCallbackEnabled;
};

} // namespace Cli
} // namespace ot

#endif // OPENTHREAD_CONFIG_SRP_CLIENT_ENABLE

#endif // CLI_SRP_CLIENT_HPP_