/*
 *
 *    Copyright (c) 2020 Project CHIP Authors
 *    Copyright (c) 2019 Google LLC.
 *    All rights reserved.
 *
 *    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.
 */

#include "LockManager.h"
#include "wiced_bt_event.h"
#include <app-common/zap-generated/attributes/Accessors.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/CHIPDeviceLayer.h>

LockManager LockManager::sLock;

wiced_timer_t sLockTimer;

using namespace chip::DeviceLayer::Internal;
using namespace CYW30739DoorLock::LockInitParams;

CHIP_ERROR LockManager::Init(chip::app::DataModel::Nullable<chip::app::Clusters::DoorLock::DlLockState> state, LockParam lockParam)
{
    LockParams = lockParam;
    if (LockParams.numberOfUsers > kMaxUsers)
    {
        ChipLogError(Zcl,
                     "Max number of users is greater than %d, the maximum amount of users currently supported on this platform",
                     kMaxUsers);
        return APP_ERROR_ALLOCATION_FAILED;
    }

    if (LockParams.numberOfCredentialsPerUser > kMaxCredentialsPerUser)
    {
        ChipLogError(
            Zcl,
            "Max number of credentials per user is greater than %d, the maximum amount of users currently supported on this "
            "platform",
            kMaxCredentialsPerUser);
        return APP_ERROR_ALLOCATION_FAILED;
    }

    if (LockParams.numberOfWeekdaySchedulesPerUser > kMaxWeekdaySchedulesPerUser)
    {
        ChipLogError(
            Zcl, "Max number of schedules is greater than %d, the maximum amount of schedules currently supported on this platform",
            kMaxWeekdaySchedulesPerUser);
        return APP_ERROR_ALLOCATION_FAILED;
    }

    if (LockParams.numberOfYeardaySchedulesPerUser > kMaxYeardaySchedulesPerUser)
    {
        ChipLogError(
            Zcl, "Max number of schedules is greater than %d, the maximum amount of schedules currently supported on this platform",
            kMaxYeardaySchedulesPerUser);
        return APP_ERROR_ALLOCATION_FAILED;
    }

    if (LockParams.numberOfHolidaySchedules > kMaxHolidaySchedules)
    {
        ChipLogError(
            Zcl, "Max number of schedules is greater than %d, the maximum amount of schedules currently supported on this platform",
            kMaxHolidaySchedules);
        return APP_ERROR_ALLOCATION_FAILED;
    }

    wiced_result_t result;

    // Create wiced timer for lock timer.
    result = wiced_init_timer(&sLockTimer, TimerEventHandler, (WICED_TIMER_PARAM_TYPE) this, WICED_MILLI_SECONDS_TIMER);
    if (result != WICED_BT_SUCCESS)
    {
        ChipLogError(Zcl, "sLockTimer timer create failed");
        return APP_ERROR_INIT_TIMER_FAILED;
    }

    if (state.Value() == DlLockState::kUnlocked)
        mState = kState_UnlockCompleted;
    else
        mState = kState_LockCompleted;

    return CHIP_NO_ERROR;
}

bool LockManager::IsValidUserIndex(uint16_t userIndex)
{
    return (userIndex < kMaxUsers);
}

bool LockManager::IsValidCredentialIndex(uint16_t credentialIndex, DlCredentialType type)
{
    // appclusters, 5.2.6.3.1: 0 is allowed index for Programming PIN credential only
    if (DlCredentialType::kProgrammingPIN == type)
    {
        return (0 == credentialIndex);
    }

    return (credentialIndex < kMaxCredentialsPerUser);
}

bool LockManager::IsValidWeekdayScheduleIndex(uint8_t scheduleIndex)
{
    return (scheduleIndex < kMaxWeekdaySchedulesPerUser);
}

bool LockManager::IsValidYeardayScheduleIndex(uint8_t scheduleIndex)
{
    return (scheduleIndex < kMaxYeardaySchedulesPerUser);
}

bool LockManager::IsValidHolidayScheduleIndex(uint8_t scheduleIndex)
{
    return (scheduleIndex < kMaxHolidaySchedules);
}

bool LockManager::ReadConfigValues()
{
    size_t outLen;
    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_LockUser, reinterpret_cast<uint8_t *>(&mLockUsers),
                                       sizeof(EmberAfPluginDoorLockUserInfo) * ArraySize(mLockUsers), outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_Credential, reinterpret_cast<uint8_t *>(&mLockCredentials),
                                       sizeof(EmberAfPluginDoorLockCredentialInfo) * ArraySize(mLockCredentials), outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_LockUserName, reinterpret_cast<uint8_t *>(mUserNames),
                                       sizeof(mUserNames), outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_CredentialData, reinterpret_cast<uint8_t *>(mCredentialData),
                                       sizeof(mCredentialData), outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_UserCredentials, reinterpret_cast<uint8_t *>(mCredentials),
                                       sizeof(DlCredential) * LockParams.numberOfUsers * LockParams.numberOfCredentialsPerUser,
                                       outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_WeekDaySchedules, reinterpret_cast<uint8_t *>(mWeekdaySchedule),
                                       sizeof(EmberAfPluginDoorLockWeekDaySchedule) * LockParams.numberOfWeekdaySchedulesPerUser *
                                           LockParams.numberOfUsers,
                                       outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_YearDaySchedules, reinterpret_cast<uint8_t *>(mYeardaySchedule),
                                       sizeof(EmberAfPluginDoorLockYearDaySchedule) * LockParams.numberOfYeardaySchedulesPerUser *
                                           LockParams.numberOfUsers,
                                       outLen);

    CYW30739Config::ReadConfigValueBin(CYW30739Config::kConfigKey_HolidaySchedules,
                                       reinterpret_cast<uint8_t *>(&(mHolidaySchedule)),
                                       sizeof(EmberAfPluginDoorLockHolidaySchedule) * LockParams.numberOfHolidaySchedules, outLen);

    return true;
}

void LockManager::SetCallbacks(Callback_fn_initiated aActionInitiated_CB, Callback_fn_completed aActionCompleted_CB)
{
    mActionInitiated_CB = aActionInitiated_CB;
    mActionCompleted_CB = aActionCompleted_CB;
}

bool LockManager::IsActionInProgress()
{
    return (mState == kState_LockInitiated || mState == kState_UnlockInitiated);
}

bool LockManager::NextState()
{
    return (mState == kState_UnlockCompleted);
}

bool LockManager::InitiateAction(int32_t aActor, Action_t aAction)
{
    bool action_initiated = false;
    State_t new_state;

    // Initiate Lock/Unlock Action only when the previous one is complete.
    if (mState == kState_LockCompleted && aAction == UNLOCK_ACTION)
    {
        action_initiated = true;

        new_state = kState_UnlockInitiated;
    }
    else if (mState == kState_UnlockCompleted && aAction == LOCK_ACTION)
    {
        action_initiated = true;

        new_state = kState_LockInitiated;
    }

    if (action_initiated)
    {

        StartTimer(ACTUATOR_MOVEMENT_PERIOS_MS);

        // Since the timer started successfully, update the state and trigger callback
        mState = new_state;

        if (mActionInitiated_CB)
        {
            mActionInitiated_CB(aAction, aActor);
        }
    }

    return action_initiated;
}

void LockManager::StartTimer(uint32_t aTimeoutMs)
{
    if (wiced_is_timer_in_use(&sLockTimer))
    {
        ChipLogError(Zcl, "app timer already started!");
        CancelTimer();
    }

    if (wiced_start_timer(&sLockTimer, aTimeoutMs) != WICED_BT_SUCCESS)
    {
        ChipLogError(Zcl, "sLockTimer timer start() failed");
        return;
    }
}

void LockManager::CancelTimer(void)
{
    if (wiced_stop_timer(&sLockTimer) != WICED_BT_SUCCESS)
    {
        ChipLogError(Zcl, "Lock timer timer stop() failed");
        return;
    }
}

void LockManager::TimerEventHandler(WICED_TIMER_PARAM_TYPE cb_params)
{
    LockManager * lock = reinterpret_cast<LockManager *>(cb_params);
    int (*fn)(void *);

    // The timer event handler will be called in the context of the timer task
    // once sLockTimer expires. Post an event to apptask queue with the actual handler
    // so that the event can be handled in the context of the apptask.
    fn = ActuatorMovementTimerEventHandler;

    if (wiced_app_event_serialize(fn, (void *) lock) != WICED_TRUE)
    {
        ChipLogError(Zcl, "wiced_app_event_serialize failed ");
    }
}

int LockManager::ActuatorMovementTimerEventHandler(void * data)
{
    Action_t actionCompleted = INVALID_ACTION;

    LockManager * lock = reinterpret_cast<LockManager *>(data);

    if (lock->mState == kState_LockInitiated)
    {
        lock->mState    = kState_LockCompleted;
        actionCompleted = LOCK_ACTION;
    }
    else if (lock->mState == kState_UnlockInitiated)
    {
        lock->mState    = kState_UnlockCompleted;
        actionCompleted = UNLOCK_ACTION;
    }

    if (actionCompleted != INVALID_ACTION)
    {
        if (lock->mActionCompleted_CB)
        {
            lock->mActionCompleted_CB(actionCompleted);
        }
    }

    return 0;
}

bool LockManager::Lock(chip::EndpointId endpointId, const Optional<chip::ByteSpan> & pin, DlOperationError & err)
{
    return setLockState(endpointId, DlLockState::kLocked, pin, err);
}

bool LockManager::Unlock(chip::EndpointId endpointId, const Optional<chip::ByteSpan> & pin, DlOperationError & err)
{
    return setLockState(endpointId, DlLockState::kUnlocked, pin, err);
}

bool LockManager::GetUser(chip::EndpointId endpointId, uint16_t userIndex, EmberAfPluginDoorLockUserInfo & user)
{
    VerifyOrReturnValue(userIndex > 0, false); // indices are one-indexed

    userIndex--;

    VerifyOrReturnValue(IsValidUserIndex(userIndex), false);

    ChipLogProgress(Zcl, "Door Lock App: LockManager::GetUser [endpoint=%d,userIndex=%hu]", endpointId, userIndex);

    const auto & userInDb = mLockUsers[userIndex];

    user.userStatus = userInDb.userStatus;
    if (DlUserStatus::kAvailable == user.userStatus)
    {
        ChipLogDetail(Zcl, "Found unoccupied user [endpoint=%d]", endpointId);
        return true;
    }

    user.userName       = chip::CharSpan(userInDb.userName.data(), userInDb.userName.size());
    user.credentials    = chip::Span<const DlCredential>(mCredentials[userIndex], userInDb.credentials.size());
    user.userUniqueId   = userInDb.userUniqueId;
    user.userType       = userInDb.userType;
    user.credentialRule = userInDb.credentialRule;
    // So far there's no way to actually create the credential outside Matter, so here we always set the creation/modification
    // source to Matter
    user.creationSource     = DlAssetSource::kMatterIM;
    user.createdBy          = userInDb.createdBy;
    user.modificationSource = DlAssetSource::kMatterIM;
    user.lastModifiedBy     = userInDb.lastModifiedBy;

    ChipLogDetail(Zcl,
                  "Found occupied user "
                  "[endpoint=%d,name=\"%.*s\",credentialsCount=%u,uniqueId=%lx,type=%u,credentialRule=%u,"
                  "createdBy=%d,lastModifiedBy=%d]",
                  endpointId, static_cast<int>(user.userName.size()), user.userName.data(), user.credentials.size(),
                  user.userUniqueId, to_underlying(user.userType), to_underlying(user.credentialRule), user.createdBy,
                  user.lastModifiedBy);

    return true;
}

bool LockManager::SetUser(chip::EndpointId endpointId, uint16_t userIndex, chip::FabricIndex creator, chip::FabricIndex modifier,
                          const chip::CharSpan & userName, uint32_t uniqueId, DlUserStatus userStatus, DlUserType usertype,
                          DlCredentialRule credentialRule, const DlCredential * credentials, size_t totalCredentials)
{
    ChipLogProgress(Zcl,
                    "Door Lock App: LockManager::SetUser "
                    "[endpoint=%d,userIndex=%d,creator=%d,modifier=%d,userName=%s,uniqueId=%ld "
                    "userStatus=%u,userType=%u,credentialRule=%u,credentials=%p,totalCredentials=%u]",
                    endpointId, userIndex, creator, modifier, userName.data(), uniqueId, to_underlying(userStatus),
                    to_underlying(usertype), to_underlying(credentialRule), credentials, totalCredentials);

    VerifyOrReturnValue(userIndex > 0, false); // indices are one-indexed

    userIndex--;

    VerifyOrReturnValue(IsValidUserIndex(userIndex), false);

    auto & userInStorage = mLockUsers[userIndex];

    if (userName.size() > DOOR_LOCK_MAX_USER_NAME_SIZE)
    {
        ChipLogError(Zcl, "Cannot set user - user name is too long [endpoint=%d,index=%d]", endpointId, userIndex);
        return false;
    }

    if (totalCredentials > LockParams.numberOfCredentialsPerUser)
    {
        ChipLogError(Zcl, "Cannot set user - total number of credentials is too big [endpoint=%d,index=%d,totalCredentials=%u]",
                     endpointId, userIndex, totalCredentials);
        return false;
    }

    chip::Platform::CopyString(mUserNames[userIndex], userName);
    userInStorage.userName       = chip::CharSpan(mUserNames[userIndex], userName.size());
    userInStorage.userUniqueId   = uniqueId;
    userInStorage.userStatus     = userStatus;
    userInStorage.userType       = usertype;
    userInStorage.credentialRule = credentialRule;
    userInStorage.lastModifiedBy = modifier;
    userInStorage.createdBy      = creator;

    for (size_t i = 0; i < totalCredentials; ++i)
    {
        mCredentials[userIndex][i]                 = credentials[i];
        mCredentials[userIndex][i].CredentialType  = 1;
        mCredentials[userIndex][i].CredentialIndex = i + 1;
    }

    userInStorage.credentials = chip::Span<const DlCredential>(mCredentials[userIndex], totalCredentials);

    // Save user information in NVM flash
    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_LockUser, reinterpret_cast<const uint8_t *>(&mLockUsers),
                                        sizeof(EmberAfPluginDoorLockUserInfo) * LockParams.numberOfUsers);

    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_UserCredentials, reinterpret_cast<const uint8_t *>(mCredentials),
                                        sizeof(DlCredential) * LockParams.numberOfUsers * LockParams.numberOfCredentialsPerUser);

    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_LockUserName, reinterpret_cast<const uint8_t *>(mUserNames),
                                        sizeof(mUserNames));

    ChipLogProgress(Zcl, "Successfully set the user [mEndpointId=%d,index=%d]", endpointId, userIndex);

    return true;
}

bool LockManager::GetCredential(chip::EndpointId endpointId, uint16_t credentialIndex, DlCredentialType credentialType,
                                EmberAfPluginDoorLockCredentialInfo & credential)
{

    VerifyOrReturnValue(credentialIndex > 0, false); // indices are one-indexed

    credentialIndex--;

    VerifyOrReturnValue(IsValidCredentialIndex(credentialIndex, credentialType), false);

    ChipLogProgress(Zcl, "Lock App: LockManager::GetCredential [credentialType=%u], credentialIndex=%d",
                    to_underlying(credentialType), credentialIndex);

    if (credentialType == DlCredentialType::kProgrammingPIN)
    {
        ChipLogError(Zcl, "Programming user not supported [credentialType=%u], credentialIndex=%d", to_underlying(credentialType),
                     credentialIndex);

        return true;
    }

    const auto & credentialInStorage = mLockCredentials[credentialIndex];

    credential.status = credentialInStorage.status;
    ChipLogDetail(Zcl, "CredentialStatus: %d, CredentialIndex: %d ", (int) credential.status, credentialIndex);

    if (DlCredentialStatus::kAvailable == credential.status)
    {
        ChipLogDetail(Zcl, "Found unoccupied credential ");
        return true;
    }
    credential.credentialType = credentialInStorage.credentialType;
    credential.credentialData = credentialInStorage.credentialData;
    credential.createdBy      = credentialInStorage.createdBy;
    credential.lastModifiedBy = credentialInStorage.lastModifiedBy;
    // So far there's no way to actually create the credential outside Matter, so here we always set the creation/modification
    // source to Matter
    credential.creationSource     = DlAssetSource::kMatterIM;
    credential.modificationSource = DlAssetSource::kMatterIM;

    ChipLogDetail(Zcl, "Found occupied credential [type=%u,dataSize=%u]", to_underlying(credential.credentialType),
                  credential.credentialData.size());

    return true;
}

bool LockManager::SetCredential(chip::EndpointId endpointId, uint16_t credentialIndex, chip::FabricIndex creator,
                                chip::FabricIndex modifier, DlCredentialStatus credentialStatus, DlCredentialType credentialType,
                                const chip::ByteSpan & credentialData)
{
    VerifyOrReturnValue(credentialIndex > 0, false); // indices are one-indexed

    credentialIndex--;

    VerifyOrReturnValue(IsValidCredentialIndex(credentialIndex, credentialType), false);

    ChipLogProgress(Zcl,
                    "Door Lock App: LockManager::SetCredential "
                    "[credentialStatus=%u,credentialType=%u,credentialDataSize=%u,creator=%d,modifier=%d]",
                    to_underlying(credentialStatus), to_underlying(credentialType), credentialData.size(), creator, modifier);

    auto & credentialInStorage = mLockCredentials[credentialIndex];

    credentialInStorage.status         = credentialStatus;
    credentialInStorage.credentialType = credentialType;
    credentialInStorage.createdBy      = creator;
    credentialInStorage.lastModifiedBy = modifier;

    memcpy(mCredentialData[credentialIndex], credentialData.data(), credentialData.size());
    credentialInStorage.credentialData = chip::ByteSpan{ mCredentialData[credentialIndex], credentialData.size() };

    // Save credential information in NVM flash
    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_Credential, reinterpret_cast<const uint8_t *>(&mLockCredentials),
                                        sizeof(EmberAfPluginDoorLockCredentialInfo) * LockParams.numberOfCredentialsPerUser);

    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_CredentialData,
                                        reinterpret_cast<const uint8_t *>(&mCredentialData), sizeof(mCredentialData));

    ChipLogProgress(Zcl, "Successfully set the credential [credentialType=%u]", to_underlying(credentialType));

    return true;
}

DlStatus LockManager::GetWeekdaySchedule(chip::EndpointId endpointId, uint8_t weekdayIndex, uint16_t userIndex,
                                         EmberAfPluginDoorLockWeekDaySchedule & schedule)
{

    VerifyOrReturnValue(weekdayIndex > 0, DlStatus::kFailure); // indices are one-indexed
    VerifyOrReturnValue(userIndex > 0, DlStatus::kFailure);    // indices are one-indexed

    weekdayIndex--;
    userIndex--;

    VerifyOrReturnValue(IsValidWeekdayScheduleIndex(weekdayIndex), DlStatus::kFailure);
    VerifyOrReturnValue(IsValidUserIndex(userIndex), DlStatus::kFailure);

    const auto & scheduleInStorage = mWeekdaySchedule[userIndex][weekdayIndex];
    if (DlScheduleStatus::kAvailable == scheduleInStorage.status)
    {
        return DlStatus::kNotFound;
    }

    schedule = scheduleInStorage.schedule;

    return DlStatus::kSuccess;
}

DlStatus LockManager::SetWeekdaySchedule(chip::EndpointId endpointId, uint8_t weekdayIndex, uint16_t userIndex,
                                         DlScheduleStatus status, DlDaysMaskMap daysMask, uint8_t startHour, uint8_t startMinute,
                                         uint8_t endHour, uint8_t endMinute)
{

    VerifyOrReturnValue(weekdayIndex > 0, DlStatus::kFailure); // indices are one-indexed
    VerifyOrReturnValue(userIndex > 0, DlStatus::kFailure);    // indices are one-indexed

    weekdayIndex--;
    userIndex--;

    VerifyOrReturnValue(IsValidWeekdayScheduleIndex(weekdayIndex), DlStatus::kFailure);
    VerifyOrReturnValue(IsValidUserIndex(userIndex), DlStatus::kFailure);

    auto & scheduleInStorage = mWeekdaySchedule[userIndex][weekdayIndex];

    scheduleInStorage.schedule.daysMask    = daysMask;
    scheduleInStorage.schedule.startHour   = startHour;
    scheduleInStorage.schedule.startMinute = startMinute;
    scheduleInStorage.schedule.endHour     = endHour;
    scheduleInStorage.schedule.endMinute   = endMinute;
    scheduleInStorage.status               = status;

    // Save schedule information in NVM flash
    CYW30739Config::WriteConfigValueBin(
        CYW30739Config::kConfigKey_WeekDaySchedules, reinterpret_cast<const uint8_t *>(mWeekdaySchedule),
        sizeof(EmberAfPluginDoorLockWeekDaySchedule) * LockParams.numberOfWeekdaySchedulesPerUser * LockParams.numberOfUsers);

    return DlStatus::kSuccess;
}

DlStatus LockManager::GetYeardaySchedule(chip::EndpointId endpointId, uint8_t yearDayIndex, uint16_t userIndex,
                                         EmberAfPluginDoorLockYearDaySchedule & schedule)
{
    VerifyOrReturnValue(yearDayIndex > 0, DlStatus::kFailure); // indices are one-indexed
    VerifyOrReturnValue(userIndex > 0, DlStatus::kFailure);    // indices are one-indexed

    yearDayIndex--;
    userIndex--;

    VerifyOrReturnValue(IsValidYeardayScheduleIndex(yearDayIndex), DlStatus::kFailure);
    VerifyOrReturnValue(IsValidUserIndex(userIndex), DlStatus::kFailure);

    const auto & scheduleInStorage = mYeardaySchedule[userIndex][yearDayIndex];
    if (DlScheduleStatus::kAvailable == scheduleInStorage.status)
    {
        return DlStatus::kNotFound;
    }

    schedule = scheduleInStorage.schedule;

    return DlStatus::kSuccess;
}

DlStatus LockManager::SetYeardaySchedule(chip::EndpointId endpointId, uint8_t yearDayIndex, uint16_t userIndex,
                                         DlScheduleStatus status, uint32_t localStartTime, uint32_t localEndTime)
{
    VerifyOrReturnValue(yearDayIndex > 0, DlStatus::kFailure); // indices are one-indexed
    VerifyOrReturnValue(userIndex > 0, DlStatus::kFailure);    // indices are one-indexed

    yearDayIndex--;
    userIndex--;

    VerifyOrReturnValue(IsValidYeardayScheduleIndex(yearDayIndex), DlStatus::kFailure);
    VerifyOrReturnValue(IsValidUserIndex(userIndex), DlStatus::kFailure);

    auto & scheduleInStorage = mYeardaySchedule[userIndex][yearDayIndex];

    scheduleInStorage.schedule.localStartTime = localStartTime;
    scheduleInStorage.schedule.localEndTime   = localEndTime;
    scheduleInStorage.status                  = status;

    // Save schedule information in NVM flash
    CYW30739Config::WriteConfigValueBin(
        CYW30739Config::kConfigKey_YearDaySchedules, reinterpret_cast<const uint8_t *>(mYeardaySchedule),
        sizeof(EmberAfPluginDoorLockYearDaySchedule) * LockParams.numberOfYeardaySchedulesPerUser * LockParams.numberOfUsers);

    return DlStatus::kSuccess;
}

DlStatus LockManager::GetHolidaySchedule(chip::EndpointId endpointId, uint8_t holidayIndex,
                                         EmberAfPluginDoorLockHolidaySchedule & schedule)
{
    VerifyOrReturnValue(holidayIndex > 0, DlStatus::kFailure); // indices are one-indexed

    holidayIndex--;

    VerifyOrReturnValue(IsValidHolidayScheduleIndex(holidayIndex), DlStatus::kFailure);

    const auto & scheduleInStorage = mHolidaySchedule[holidayIndex];
    if (DlScheduleStatus::kAvailable == scheduleInStorage.status)
    {
        return DlStatus::kNotFound;
    }

    schedule = scheduleInStorage.schedule;

    return DlStatus::kSuccess;
}

DlStatus LockManager::SetHolidaySchedule(chip::EndpointId endpointId, uint8_t holidayIndex, DlScheduleStatus status,
                                         uint32_t localStartTime, uint32_t localEndTime, DlOperatingMode operatingMode)
{
    VerifyOrReturnValue(holidayIndex > 0, DlStatus::kFailure); // indices are one-indexed

    holidayIndex--;

    VerifyOrReturnValue(IsValidHolidayScheduleIndex(holidayIndex), DlStatus::kFailure);

    auto & scheduleInStorage = mHolidaySchedule[holidayIndex];

    scheduleInStorage.schedule.localStartTime = localStartTime;
    scheduleInStorage.schedule.localEndTime   = localEndTime;
    scheduleInStorage.schedule.operatingMode  = operatingMode;
    scheduleInStorage.status                  = status;

    // Save schedule information in NVM flash
    CYW30739Config::WriteConfigValueBin(CYW30739Config::kConfigKey_HolidaySchedules,
                                        reinterpret_cast<const uint8_t *>(&(mHolidaySchedule)),
                                        sizeof(EmberAfPluginDoorLockHolidaySchedule) * LockParams.numberOfHolidaySchedules);

    return DlStatus::kSuccess;
}

const char * LockManager::lockStateToString(DlLockState lockState) const
{
    switch (lockState)
    {
    case DlLockState::kNotFullyLocked:
        return "Not Fully Locked";
    case DlLockState::kLocked:
        return "Locked";
    case DlLockState::kUnlocked:
        return "Unlocked";
    case DlLockState::kUnknownEnumValue:
        break;
    }

    return "Unknown";
}

bool LockManager::setLockState(chip::EndpointId endpointId, DlLockState lockState, const Optional<chip::ByteSpan> & pin,
                               DlOperationError & err)
{
    // Assume pin is required until told otherwise
    bool requirePin = true;
    chip::app::Clusters::DoorLock::Attributes::RequirePINforRemoteOperation::Get(endpointId, &requirePin);

    // If a pin code is not given
    if (!pin.HasValue())
    {
        ChipLogDetail(Zcl, "Door Lock App: PIN code is not specified [endpointId=%d]", endpointId);

        // If a pin code is not required
        if (!requirePin)
        {
            ChipLogDetail(Zcl, "Door Lock App: setting door lock state to \"%s\" [endpointId=%d]", lockStateToString(lockState),
                          endpointId);

            DoorLockServer::Instance().SetLockState(endpointId, lockState);

            return true;
        }

        ChipLogError(Zcl, "Door Lock App: PIN code is not specified, but it is required [endpointId=%d]", endpointId);

        return false;
    }

    // Check the PIN code
    for (uint8_t i = 0; i < kMaxCredentials; i++)
    {
        if (mLockCredentials[i].credentialType != DlCredentialType::kPin ||
            mLockCredentials[i].status == DlCredentialStatus::kAvailable)
        {
            continue;
        }

        if (mLockCredentials[i].credentialData.data_equal(pin.Value()))
        {
            ChipLogDetail(Zcl,
                          "Lock App: specified PIN code was found in the database, setting lock state to \"%s\" [endpointId=%d]",
                          lockStateToString(lockState), endpointId);

            DoorLockServer::Instance().SetLockState(endpointId, lockState);

            return true;
        }
    }

    ChipLogDetail(Zcl,
                  "Door Lock App: specified PIN code was not found in the database, ignoring command to set lock state to \"%s\" "
                  "[endpointId=%d]",
                  lockStateToString(lockState), endpointId);

    err = DlOperationError::kInvalidCredential;
    return false;
}

bool LockManager::SetDoorState(chip::EndpointId endpointId, DlDoorState newState)
{
    if (mDoorState != newState)
    {
        ChipLogProgress(Zcl, "Changing the door state to: %d [endpointId=%d,previousState=%d]", to_underlying(newState), endpointId,
                        to_underlying(mDoorState));

        mDoorState = newState;
        return DoorLockServer::Instance().SetDoorState(endpointId, mDoorState);
    }
    return true;
}