/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * 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 "shutdown_dialog.h"

#include <atomic>
#include <memory>
#include <set>

#include <ability_manager_client.h>
#include <input_manager.h>
#include <key_event.h>
#include <key_option.h>
#include <message_parcel.h>

#include "ffrt_utils.h"
#include "power_log.h"
#include "power_mgr_service.h"

using namespace OHOS::MMI;
using namespace OHOS::AAFwk;

namespace OHOS {
namespace PowerMgr {
namespace {
static constexpr int32_t LONG_PRESS_DELAY_MS = 3000;
static constexpr int32_t INVALID_USERID = -1;
static constexpr int32_t MESSAGE_PARCEL_KEY_SIZE = 3;
static constexpr int32_t INIT_LONG_PRESS_RETRY = 3;
static constexpr uint32_t RETRY_TIME = 1000;
std::atomic_bool g_isDialogShow = false;
std::atomic_bool g_longPressShow = false;
int32_t g_retryCount = 1;
FFRTQueue g_queue("shutdown_dialog");
sptr<IRemoteObject> g_remoteObject = nullptr;
} // namespace
ShutdownDialog::ShutdownDialog() : dialogConnectionCallback_(new DialogAbilityConnection()) {}

ShutdownDialog::~ShutdownDialog()
{
    dialogConnectionCallback_ = nullptr;
}

void ShutdownDialog::KeyMonitorInit()
{
    POWER_HILOGD(FEATURE_SHUTDOWN, "Initialize the long press powerkey");
    std::shared_ptr<KeyOption> keyOption = std::make_shared<KeyOption>();
    std::set<int32_t> preKeys;

    keyOption->SetPreKeys(preKeys);
    keyOption->SetFinalKey(KeyEvent::KEYCODE_POWER);
    keyOption->SetFinalKeyDown(true);
    keyOption->SetFinalKeyDownDuration(LONG_PRESS_DELAY_MS);
    longPressId_ =
        InputManager::GetInstance()->SubscribeKeyEvent(keyOption, [this](std::shared_ptr<KeyEvent> keyEvent) {
            POWER_HILOGI(FEATURE_SHUTDOWN, "Receive long press powerkey");
            ConnectSystemUi();
        });
    if (longPressId_ < ERR_OK) {
        if (g_retryCount <= INIT_LONG_PRESS_RETRY) {
            POWER_HILOGI(FEATURE_SHUTDOWN, "SubscribeKey long press failed errcode = %{public}d, Try again in 1 second",
                longPressId_);
            FFRTTask task = [this] {
                KeyMonitorInit();
            };
            FFRTUtils::SubmitDelayTask(task, RETRY_TIME, g_queue);
            g_retryCount++;
        }
        return;
    }
    POWER_HILOGI(FEATURE_SHUTDOWN, "SubscribeKey long press success");
}

void ShutdownDialog::KeyMonitorCancel()
{
    InputManager* inputManager = InputManager::GetInstance();
    if (inputManager == nullptr) {
        POWER_HILOGW(FEATURE_SHUTDOWN, "InputManager is null");
        return;
    }
    if (longPressId_ >= ERR_OK) {
        inputManager->UnsubscribeKeyEvent(longPressId_);
    }
    longPressId_ = 0;
}

bool ShutdownDialog::ConnectSystemUi()
{
    if (g_isDialogShow) {
        AppExecFwk::ElementName element;
        dialogConnectionCallback_->OnAbilityConnectDone(element, g_remoteObject, INVALID_USERID);
        POWER_HILOGW(FEATURE_SHUTDOWN, "power dialog has been show");
        return true;
    }
    auto ams = AbilityManagerClient::GetInstance();
    if (ams == nullptr) {
        POWER_HILOGW(FEATURE_SHUTDOWN, "AbilityManagerClient is nullptr");
        return false;
    }

    Want want;
    want.SetElementName("com.ohos.systemui", "com.ohos.systemui.dialog");
    ErrCode result = ams->ConnectAbility(want, dialogConnectionCallback_, INVALID_USERID);
    if (result != ERR_OK) {
        POWER_HILOGW(FEATURE_SHUTDOWN, "ConnectAbility systemui dialog failed, result = %{public}d", result);
        return false;
    }
    POWER_HILOGI(FEATURE_SHUTDOWN, "ConnectAbility systemui dialog success.");
    return true;
}

bool ShutdownDialog::IsLongPress() const
{
    return g_longPressShow;
}

void ShutdownDialog::ResetLongPressFlag()
{
    g_longPressShow = false;
}

void ShutdownDialog::DialogAbilityConnection::OnAbilityConnectDone(
    const AppExecFwk::ElementName& element, const sptr<IRemoteObject>& remoteObject, int resultCode)
{
    POWER_HILOGD(FEATURE_SHUTDOWN, "OnAbilityConnectDone");
    std::lock_guard lock(mutex_);
    if (remoteObject == nullptr) {
        POWER_HILOGW(FEATURE_SHUTDOWN, "remoteObject is nullptr");
        return;
    }
    if (g_remoteObject == nullptr) {
        g_remoteObject = remoteObject;
    }
    FFRTUtils::SubmitTask([remoteObject] {
        MessageParcel data;
        MessageParcel reply;
        MessageOption option;
        data.WriteInt32(MESSAGE_PARCEL_KEY_SIZE);
        data.WriteString16(u"bundleName");
        data.WriteString16(u"com.ohos.powerdialog");
        data.WriteString16(u"abilityName");
        data.WriteString16(u"PowerUiExtensionAbility");
        data.WriteString16(u"parameters");
        // sysDialogZOrder = 2 displayed on the lock screen
        data.WriteString16(u"{\"ability.want.params.uiExtensionType\":\"sysDialog/power\",\"sysDialogZOrder\":2}");
        POWER_HILOGD(FEATURE_SHUTDOWN, "show power dialog is begin");
        const uint32_t cmdCode = 1;
        int32_t ret = remoteObject->SendRequest(cmdCode, data, reply, option);
        if (ret != ERR_OK) {
            POWER_HILOGW(FEATURE_SHUTDOWN, "show power dialog is failed: %{public}d", ret);
            return;
        }
        g_isDialogShow = true;
        g_longPressShow = true;
        POWER_HILOGI(FEATURE_SHUTDOWN, "show power dialog is success");
        auto pms = DelayedSpSingleton<PowerMgrService>::GetInstance();
        if (pms == nullptr) {
            return;
        }
        pms->RefreshActivity(
            static_cast<int64_t>(time(nullptr)), UserActivityType::USER_ACTIVITY_TYPE_ATTENTION, false);
    });
}

void ShutdownDialog::DialogAbilityConnection::OnAbilityDisconnectDone(
    const AppExecFwk::ElementName& element, int resultCode)
{
    POWER_HILOGD(FEATURE_SHUTDOWN, "OnAbilityDisconnectDone");
    std::lock_guard lock(mutex_);
    g_isDialogShow = false;
    g_longPressShow = false;
    g_remoteObject = nullptr;
}
} // namespace PowerMgr
} // namespace OHOS