/*
 *  Copyright (c) 2023, 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
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  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 CLI to Border Router.
 */

#ifndef OT_CLI_CLI_BR_HPP_
#define OT_CLI_CLI_BR_HPP_

#include "openthread-core-config.h"

#include <openthread/border_routing.h>
#include <openthread/multi_ail_detection.h>

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

#if OPENTHREAD_CONFIG_BORDER_ROUTING_ENABLE

namespace ot {
namespace Cli {

/**
 * Implements the Border Router CLI interpreter.
 */
class Br : private Utils
{
#if OPENTHREAD_CONFIG_HISTORY_TRACKER_ENABLE
    friend class History;
#endif

public:
    /**
     * Constructor
     *
     * @param[in]  aInstance            The OpenThread Instance.
     * @param[in]  aOutputImplementer   An `OutputImplementer`.
     */
    Br(otInstance *aInstance, OutputImplementer &aOutputImplementer)
        : Utils(aInstance, 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:
    using Command    = CommandEntry<Br>;
    using PrefixType = uint8_t;

    static constexpr PrefixType kPrefixTypeLocal   = 1u << 0;
    static constexpr PrefixType kPrefixTypeFavored = 1u << 1;

    enum RouterOutputMode : uint8_t
    {
        kShortVersion,
        kLongVersion,
    };

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

    otError ParsePrefixTypeArgs(Arg aArgs[], PrefixType &aFlags);
    void    OutputRouterInfo(const otBorderRoutingRouterEntry &aEntry, RouterOutputMode aMode);

#if OPENTHREAD_CONFIG_BORDER_ROUTING_DHCP6_PD_ENABLE
    static const char *Dhcp6PdStateToString(otBorderRoutingDhcp6PdState aState);
#endif

#if OPENTHREAD_CONFIG_BORDER_ROUTING_MULTI_AIL_DETECTION_ENABLE
    static void HandleMultiAilDetected(bool aDetected, void *aContext);
    void        HandleMultiAilDetected(bool aDetected);
#endif
};

} // namespace Cli
} // namespace ot

#endif // OPENTHREAD_CONFIG_BORDER_ROUTING_ENABLE

#endif // OT_CLI_CLI_BR_HPP_
