/**
 * Copyright © 2018 Intel Corporation
 *
 * 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 <ipmid/api.hpp>
#include <ipmid/filter.hpp>
#include <ipmid/handler.hpp>

namespace ipmi
{

namespace impl
{

// IPMI command handler registration implementation
bool registerHandler(int prio, NetFn netFn, Cmd cmd, Privilege priv,
                     ::ipmi::HandlerBase::ptr handler);
bool registerGroupHandler(int prio, Group group, Cmd cmd, Privilege priv,
                          ::ipmi::HandlerBase::ptr handler);
bool registerOemHandler(int prio, Iana iana, Cmd cmd, Privilege priv,
                        ::ipmi::HandlerBase::ptr handler);

// IPMI command filter registration implementation
void registerFilter(int prio, ::ipmi::FilterBase::ptr filter);

} // namespace impl

/**
 * @brief main IPMI handler registration function
 *
 * This function should be used to register all new-style IPMI handler
 * functions. This function just passes the callback to makeHandler, which
 * creates a new wrapper object that will automatically extract the appropriate
 * parameters for the callback function as well as pack up the response.
 *
 * @param prio - priority at which to register; see api.hpp
 * @param netFn - the IPMI net function number to register
 * @param cmd - the IPMI command number to register
 * @param priv - the IPMI user privilige required for this command
 * @param handler - the callback function that will handle this request
 *
 * @return bool - success of registering the handler
 */
template <typename Handler>
bool registerHandler(int prio, NetFn netFn, Cmd cmd, Privilege priv,
                     Handler&& handler)
{
    auto h = ipmi::makeHandler(std::forward<Handler>(handler));
    return impl::registerHandler(prio, netFn, cmd, priv, h);
}

/**
 * @brief register a IPMI OEM group handler
 *
 * From IPMI 2.0 spec Network Function Codes Table (Row 2Ch):
 * The first data byte position in requests and responses under this network
 * function identifies the defining body that specifies command functionality.
 * Software assumes that the command and completion code field positions will
 * hold command and completion code values.
 *
 * The following values are used to identify the defining body:
 * 00h PICMG - PCI Industrial Computer Manufacturer’s Group.  (www.picmg.com)
 * 01h DMTF Pre-OS Working Group ASF Specification (www.dmtf.org)
 * 02h Server System Infrastructure (SSI) Forum (www.ssiforum.org)
 * 03h VITA Standards Organization (VSO) (www.vita.com)
 * DCh DCMI Specifications (www.intel.com/go/dcmi)
 * all other Reserved
 *
 * When this network function is used, the ID for the defining body occupies
 * the first data byte in a request, and the second data byte (following the
 * completion code) in a response.
 *
 * @tparam Handler - implicitly specified callback function type
 * @param prio - priority at which to register; see api.hpp
 * @param netFn - the IPMI net function number to register
 * @param cmd - the IPMI command number to register
 * @param priv - the IPMI user privilige required for this command
 * @param handler - the callback function that will handle this request
 *
 * @return bool - success of registering the handler
 *
 */
template <typename Handler>
void registerGroupHandler(int prio, Group group, Cmd cmd, Privilege priv,
                          Handler&& handler)
{
    auto h = ipmi::makeHandler(handler);
    impl::registerGroupHandler(prio, group, cmd, priv, h);
}

/**
 * @brief register a IPMI OEM IANA handler
 *
 * From IPMI spec Network Function Codes Table (Row 2Eh):
 * The first three data bytes of requests and responses under this network
 * function explicitly identify the OEM or non-IPMI group that specifies the
 * command functionality. While the OEM or non-IPMI group defines the
 * functional semantics for the cmd and remaining data fields, the cmd field
 * is required to hold the same value in requests and responses for a given
 * operation in order to be supported under the IPMI message handling and
 * transport mechanisms.
 *
 * When this network function is used, the IANA Enterprise Number for the
 * defining body occupies the first three data bytes in a request, and the
 * first three data bytes following the completion code position in a
 * response.
 *
 * @tparam Handler - implicitly specified callback function type
 * @param prio - priority at which to register; see api.hpp
 * @param netFn - the IPMI net function number to register
 * @param cmd - the IPMI command number to register
 * @param priv - the IPMI user privilige required for this command
 * @param handler - the callback function that will handle this request
 *
 * @return bool - success of registering the handler
 *
 */
template <typename Handler>
void registerOemHandler(int prio, Iana iana, Cmd cmd, Privilege priv,
                        Handler&& handler)
{
    auto h = ipmi::makeHandler(handler);
    impl::registerOemHandler(prio, iana, cmd, priv, h);
}

/**
 * @brief IPMI command filter registration function
 *
 * This function should be used to register IPMI command filter functions.
 * This function just passes the callback to makeFilter, which creates a
 * wrapper functor object that ultimately calls the callback.
 *
 * Filters are called with a ipmi::message::Request shared_ptr on all IPMI
 * commands in priority order and each filter has the opportunity to reject the
 * command (by returning an IPMI error competion code.) If all the filters
 * return success, the actual IPMI command will be executed. Filters can reject
 * the command for any reason, based on system state, the context, the command
 * payload, etc.
 *
 * @param prio - priority at which to register; see api.hpp
 * @param filter - the callback function that will handle this request
 *
 * @return bool - success of registering the handler
 */
template <typename Filter>
void registerFilter(int prio, Filter&& filter)
{
    auto f = ipmi::makeFilter(std::forward<Filter>(filter));
    impl::registerFilter(prio, f);
}

template <typename Filter>
void registerFilter(int prio, const Filter& filter)
{
    auto f = ipmi::makeFilter(filter);
    impl::registerFilter(prio, f);
}
} // namespace ipmi

#ifdef ALLOW_DEPRECATED_API
/**
 * @brief legacy IPMI handler registration function
 *
 * This function should be used to register all legacy IPMI handler
 * functions. This function just behaves just as the legacy registration
 * mechanism did, silently replacing any existing handler with a new one.
 *
 * @param netFn - the IPMI net function number to register
 * @param cmd - the IPMI command number to register
 * @param context - ignored
 * @param handler - the callback function that will handle this request
 * @param priv - the IPMI user privilige required for this command
 */
// [[deprecated("Use ipmi::registerHandler() instead")]]
void ipmi_register_callback(ipmi_netfn_t netFn, ipmi_cmd_t cmd,
                            ipmi_context_t context, ipmid_callback_t handler,
                            ipmi_cmd_privilege_t priv);

#endif /* ALLOW_DEPRECATED_API */

// IPMI 2.0 and DCMI 1.5 standard commands, namespaced by NetFn
// OEM and non-standard commands should be defined where they are used
namespace ipmi
{
namespace app
{
// 0x00 reserved
constexpr Cmd cmdGetDeviceId = 0x01;
constexpr Cmd cmdColdReset = 0x02;
constexpr Cmd cmdWarmReset = 0x03;
constexpr Cmd cmdGetSelfTestResults = 0x04;
constexpr Cmd cmdManufacturingTestOn = 0x05;
constexpr Cmd cmdSetAcpiPowerState = 0x06;
constexpr Cmd cmdGetAcpiPowerState = 0x07;
constexpr Cmd cmdGetDeviceGuid = 0x08;
constexpr Cmd cmdGetNetFnSupport = 0x09;
constexpr Cmd cmdGetCmdSupport = 0x0A;
constexpr Cmd cmdGetCmdSubFnSupport = 0x0B;
constexpr Cmd cmdGetConfigurableCmds = 0x0C;
constexpr Cmd cmdGetConfigurableCmdSubFns = 0x0D;
// 0x0E-0x21 unassigned
constexpr Cmd cmdResetWatchdogTimer = 0x22;
// 0x23 unassigned
constexpr Cmd cmdSetWatchdogTimer = 0x24;
constexpr Cmd cmdGetWatchdogTimer = 0x25;
// 0x26-0x2D unassigned
constexpr Cmd cmdSetBmcGlobalEnables = 0x2E;
constexpr Cmd cmdGetBmcGlobalEnables = 0x2F;
constexpr Cmd cmdClearMessageFlags = 0x30;
constexpr Cmd cmdGetMessageFlags = 0x31;
constexpr Cmd cmdEnableMessageChannelRcv = 0x32;
constexpr Cmd cmdGetMessage = 0x33;
constexpr Cmd cmdSendMessage = 0x34;
constexpr Cmd cmdReadEventMessageBuffer = 0x35;
constexpr Cmd cmdGetBtIfaceCapabilities = 0x36;
constexpr Cmd cmdGetSystemGuid = 0x37;
constexpr Cmd cmdGetChannelAuthCapabilities = 0x38;
constexpr Cmd cmdGetSessionChallenge = 0x39;
constexpr Cmd cmdActivateSession = 0x3A;
constexpr Cmd cmdSetSessionPrivilegeLevel = 0x3B;
constexpr Cmd cmdCloseSession = 0x3C;
constexpr Cmd cmdGetSessionInfo = 0x3D;
// 0x3E unassigned
constexpr Cmd cmdGetAuthCode = 0x3F;
constexpr Cmd cmdSetChannelAccess = 0x40;
constexpr Cmd cmdGetChannelAccess = 0x41;
constexpr Cmd cmdGetChannelInfoCommand = 0x42;
constexpr Cmd cmdSetUserAccessCommand = 0x43;
constexpr Cmd cmdGetUserAccessCommand = 0x44;
constexpr Cmd cmdSetUserName = 0x45;
constexpr Cmd cmdGetUserNameCommand = 0x46;
constexpr Cmd cmdSetUserPasswordCommand = 0x47;
constexpr Cmd cmdActivatePayload = 0x48;
constexpr Cmd cmdDeactivatePayload = 0x49;
constexpr Cmd cmdGetPayloadActivationStatus = 0x4A;
constexpr Cmd cmdGetPayloadInstanceInfo = 0x4B;
constexpr Cmd cmdSetUserPayloadAccess = 0x4C;
constexpr Cmd cmdGetUserPayloadAccess = 0x4D;
constexpr Cmd cmdGetChannelPayloadSupport = 0x4E;
constexpr Cmd cmdGetChannelPayloadVersion = 0x4F;
constexpr Cmd cmdGetChannelOemPayloadInfo = 0x50;
// 0x51 unassigned
constexpr Cmd cmdMasterWriteRead = 0x52;
// 0x53 unassigned
constexpr Cmd cmdGetChannelCipherSuites = 0x54;
constexpr Cmd cmdSuspendResumePayloadEnc = 0x55;
constexpr Cmd cmdSetChannelSecurityKeys = 0x56;
constexpr Cmd cmdGetSystemIfCapabilities = 0x57;
constexpr Cmd cmdSetSystemInfoParameters = 0x58;
constexpr Cmd cmdGetSystemInfoParameters = 0x59;
// 0x5A-0x5F unassigned
constexpr Cmd cmdSetCommandEnables = 0x60;
constexpr Cmd cmdGetCommandEnables = 0x61;
constexpr Cmd cmdSetCommandSubFnEnables = 0x62;
constexpr Cmd cmdGetCommandSubFnEnables = 0x63;
constexpr Cmd cmdGetOemNetFnIanaSupport = 0x64;
// 0x65-0xff unassigned
} // namespace app

namespace chassis
{
constexpr Cmd cmdGetChassisCapabilities = 0x00;
constexpr Cmd cmdGetChassisStatus = 0x01;
constexpr Cmd cmdChassisControl = 0x02;
constexpr Cmd cmdChassisReset = 0x03;
constexpr Cmd cmdChassisIdentify = 0x04;
constexpr Cmd cmdSetChassisCapabilities = 0x05;
constexpr Cmd cmdSetPowerRestorePolicy = 0x06;
constexpr Cmd cmdGetSystemRestartCause = 0x07;
constexpr Cmd cmdSetSystemBootOptions = 0x08;
constexpr Cmd cmdGetSystemBootOptions = 0x09;
constexpr Cmd cmdSetFrontPanelButtonEnables = 0x0A;
constexpr Cmd cmdSetPowerCycleInterval = 0x0B;
// 0x0C-0x0E unassigned
constexpr Cmd cmdGetPohCounter = 0x0F;
// 0x10-0xFF unassigned
} // namespace chassis

namespace sensor_event
{
constexpr Cmd cmdSetEventReceiver = 0x00;
constexpr Cmd cmdGetEventReceiver = 0x01;
constexpr Cmd cmdPlatformEvent = 0x02;
// 0x03-0x0F unassigned
constexpr Cmd cmdGetPefCapabilities = 0x10;
constexpr Cmd cmdArmPefPostponeTimer = 0x11;
constexpr Cmd cmdSetPefConfigurationParams = 0x12;
constexpr Cmd cmdGetPefConfigurationParams = 0x13;
constexpr Cmd cmdSetLastProcessedEventId = 0x14;
constexpr Cmd cmdGetLastProcessedEventId = 0x15;
constexpr Cmd cmdAlertImmediate = 0x16;
constexpr Cmd cmdPetAcknowledge = 0x17;
constexpr Cmd cmdGetDeviceSdrInfo = 0x20;
constexpr Cmd cmdGetDeviceSdr = 0x21;
constexpr Cmd cmdReserveDeviceSdrRepository = 0x22;
constexpr Cmd cmdGetSensorReadingFactors = 0x23;
constexpr Cmd cmdSetSensorHysteresis = 0x24;
constexpr Cmd cmdGetSensorHysteresis = 0x25;
constexpr Cmd cmdSetSensorThreshold = 0x26;
constexpr Cmd cmdGetSensorThreshold = 0x27;
constexpr Cmd cmdSetSensorEventEnable = 0x28;
constexpr Cmd cmdGetSensorEventEnable = 0x29;
constexpr Cmd cmdRearmSensorEvents = 0x2A;
constexpr Cmd cmdGetSensorEventStatus = 0x2B;
constexpr Cmd cmdGetSensorReading = 0x2D;
constexpr Cmd cmdSetSensorType = 0x2E;
constexpr Cmd cmdGetSensorType = 0x2F;
constexpr Cmd cmdSetSensorReadingAndEvtSts = 0x30;
// 0x31-0xFF unassigned
} // namespace sensor_event

namespace storage
{
// 0x00-0x0F unassigned
constexpr Cmd cmdGetFruInventoryAreaInfo = 0x10;
constexpr Cmd cmdReadFruData = 0x11;
constexpr Cmd cmdWriteFruData = 0x12;
// 0x13-0x1F unassigned
constexpr Cmd cmdGetSdrRepositoryInfo = 0x20;
constexpr Cmd cmdGetSdrRepositoryAllocInfo = 0x21;
constexpr Cmd cmdReserveSdrRepository = 0x22;
constexpr Cmd cmdGetSdr = 0x23;
constexpr Cmd cmdAddSdr = 0x24;
constexpr Cmd cmdPartialAddSdr = 0x25;
constexpr Cmd cmdDeleteSdr = 0x26;
constexpr Cmd cmdClearSdrRepository = 0x27;
constexpr Cmd cmdGetSdrRepositoryTime = 0x28;
constexpr Cmd cmdSetSdrRepositoryTime = 0x29;
constexpr Cmd cmdEnterSdrRepoUpdateMode = 0x2A;
constexpr Cmd cmdExitSdrReposUpdateMode = 0x2B;
constexpr Cmd cmdRunInitializationAgent = 0x2C;
// 0x2D-0x3F unassigned
constexpr Cmd cmdGetSelInfo = 0x40;
constexpr Cmd cmdGetSelAllocationInfo = 0x41;
constexpr Cmd cmdReserveSel = 0x42;
constexpr Cmd cmdGetSelEntry = 0x43;
constexpr Cmd cmdAddSelEntry = 0x44;
constexpr Cmd cmdPartialAddSelEntry = 0x45;
constexpr Cmd cmdDeleteSelEntry = 0x46;
constexpr Cmd cmdClearSel = 0x47;
constexpr Cmd cmdGetSelTime = 0x48;
constexpr Cmd cmdSetSelTime = 0x49;
constexpr Cmd cmdGetAuxiliaryLogStatus = 0x5A;
constexpr Cmd cmdSetAuxiliaryLogStatus = 0x5B;
constexpr Cmd cmdGetSelTimeUtcOffset = 0x5C;
constexpr Cmd cmdSetSelTimeUtcOffset = 0x5D;
// 0x5E-0xFF unassigned
} // namespace storage

namespace transport
{
constexpr Cmd cmdSetLanConfigParameters = 0x01;
constexpr Cmd cmdGetLanConfigParameters = 0x02;
constexpr Cmd cmdSuspendBmcArps = 0x03;
constexpr Cmd cmdGetIpUdpRmcpStatistics = 0x04;
constexpr Cmd cmdSetSerialModemConfig = 0x10;
constexpr Cmd cmdGetSerialModemConfig = 0x11;
constexpr Cmd cmdSetSerialModemMux = 0x12;
constexpr Cmd cmdGetTapResponseCodes = 0x13;
constexpr Cmd cmdSetPppUdpProxyTransmitData = 0x14;
constexpr Cmd cmdGetPppUdpProxyTransmitData = 0x15;
constexpr Cmd cmdSendPppUdpProxyPacket = 0x16;
constexpr Cmd cmdGetPppUdpProxyReceiveData = 0x17;
constexpr Cmd cmdSerialModemConnActive = 0x18;
constexpr Cmd cmdCallback = 0x19;
constexpr Cmd cmdSetUserCallbackOptions = 0x1A;
constexpr Cmd cmdGetUserCallbackOptions = 0x1B;
constexpr Cmd cmdSetSerialRoutingMux = 0x1C;
constexpr Cmd cmdSolActivating = 0x20;
constexpr Cmd cmdSetSolConfigParameters = 0x21;
constexpr Cmd cmdGetSolConfigParameters = 0x22;
constexpr Cmd cmdForwardedCommand = 0x30;
constexpr Cmd cmdSetForwardedCommands = 0x31;
constexpr Cmd cmdGetForwardedCommands = 0x32;
constexpr Cmd cmdEnableForwardedCommands = 0x33;
} // namespace transport

namespace bridge
{
constexpr Cmd cmdGetBridgeState = 0x00;
constexpr Cmd cmdSetBridgeState = 0x01;
constexpr Cmd cmdGetIcmbAddress = 0x02;
constexpr Cmd cmdSetIcmbAddress = 0x03;
constexpr Cmd cmdSetBridgeProxyAddress = 0x04;
constexpr Cmd cmdGetBridgeStatistics = 0x05;
constexpr Cmd cmdGetIcmbCapabilities = 0x06;
constexpr Cmd cmdClearBridgeStatistics = 0x08;
constexpr Cmd cmdGetBridgeProxyAddress = 0x09;
constexpr Cmd cmdGetIcmbConnectorInfo = 0x0A;
constexpr Cmd cmdGetIcmbConnectionId = 0x0B;
constexpr Cmd cmdSendIcmbConnectionId = 0x0C;
constexpr Cmd cmdPrepareForDiscovery = 0x10;
constexpr Cmd cmdGetAddresses = 0x11;
constexpr Cmd cmdSetDiscovered = 0x12;
constexpr Cmd cmdGetChassisDeviceId = 0x13;
constexpr Cmd cmdSetChassisDeviceId = 0x14;
constexpr Cmd cmdBridgeRequest = 0x20;
constexpr Cmd cmdBridgeMessage = 0x21;
// 0x22-0x2F unassigned
constexpr Cmd cmdGetEventCount = 0x30;
constexpr Cmd cmdSetEventDestination = 0x31;
constexpr Cmd cmdSetEventReceptionState = 0x32;
constexpr Cmd cmdSendIcmbEventMessage = 0x33;
constexpr Cmd cmdGetEventDestination = 0x34;
constexpr Cmd cmdGetEventReceptionState = 0x35;
// 0xC0-0xFE OEM Commands
constexpr Cmd cmdErrorReport = 0xFF;
} // namespace bridge

namespace dcmi
{
constexpr Cmd cmdGetDcmiCapabilitiesInfo = 0x01;
constexpr Cmd cmdGetPowerReading = 0x02;
constexpr Cmd cmdGetPowerLimit = 0x03;
constexpr Cmd cmdSetPowerLimit = 0x04;
constexpr Cmd cmdActDeactivatePwrLimit = 0x05;
constexpr Cmd cmdGetAssetTag = 0x06;
constexpr Cmd cmdGetDcmiSensorInfo = 0x07;
constexpr Cmd cmdSetAssetTag = 0x08;
constexpr Cmd cmdGetMgmtCntlrIdString = 0x09;
constexpr Cmd cmdSetMgmtCntlrIdString = 0x0A;
constexpr Cmd cmdSetThermalLimit = 0x0B;
constexpr Cmd cmdGetThermalLimit = 0x0C;
constexpr Cmd cmdGetTemperatureReadings = 0x10;
constexpr Cmd cmdSetDcmiConfigParameters = 0x12;
constexpr Cmd cmdGetDcmiConfigParameters = 0x13;
} // namespace dcmi

} // namespace ipmi