//
// Created by Krad on 2022/7/19.
//

#include "DialogManager.h"

#include <QApplication>
#include <QDebug>

#include "event/EventCenter.h"
#include "dialogs/GUIMessageDialog.h"
#include "dialogs/ChangePasswordFormDialog.h"
#include "dialogs/AccountFormDialog.h"
#include "dialogs/MultyMessageDialogManager.h"
#include "dialogs/EditPatientDialog.h"
#include "dialogs/AlertDialog.h"
#include "dialogs/DateSelectDialog.h"
#include "dialogs/SelectDialog.h"
#include "dialogs/GetWorkListDialog.h"

#include "network/DicomCfgDialog.h"
#include "network/GetAdminPsw.h"
#include "network/NetworkCfgDialog.h"
#include "network/GetIPDialog.h"
#include "network/GetRouteDialog.h"

#include "windows/LoginDialog.h"
#include "screensaver/ScreenSaverWindow.h"

#include "appvals/AppGlobalValues.h"
#include "json/jsonobject.h"
#include "shimlib/ShimLib.h"

namespace
{
    const int GUIMESSAGEDIALOG_OFFSET = 30;
}

DialogManager::DialogManager()
: QObject()
, mFunctionDialog(nullptr)
, mScreenSaverWindow(nullptr)
, mOperationMessageDialog(nullptr)
, mSyncDialog(nullptr)
, mTopWidget(nullptr)
{

}

void DialogManager::init(QWidget* aParent) {
    connect(EventCenter::Default(), &EventCenter::DeviceErrorRaise,this,&DialogManager::raiseDeviceError);
    connect(EventCenter::Default(), &EventCenter::DeviceInfoRaise,this,&DialogManager::raiseDeviceInfo);
    connect(EventCenter::Default(), &EventCenter::InvokeOperationStart,this,&DialogManager::invokeOperationStart);
    connect(EventCenter::Default(), &EventCenter::InvokeOperationProgress,this,&DialogManager::invokeOperationProgress);
    connect(EventCenter::Default(), &EventCenter::InvokeOperationPending,this,&DialogManager::invokeOperationPending);
    connect(EventCenter::Default(), &EventCenter::InvokeOperationEnd,this,&DialogManager::invokeOperationEnd);
    MultyMessageDialogManager::getInstance()->setDialogParent(aParent);
    mTopWidget = aParent;
    mScreenSaverWindow = new ScreenSaverWindow();
}

//得考虑多线程的问题
void DialogManager::setTopWidget(QWidget* widget) {
    std::lock_guard<std::mutex> lockGuard(mMutex);
    if (nullptr == widget)
    {
        return;
    }
    qDebug()<<"last top:"<<mTopWidget<<", new top:"<<widget;
    mTopWidget = widget;
    ++mDialogCount;
}

void DialogManager::releaseTopWidget(QWidget* expectedTopWidget) {
    std::lock_guard<std::mutex> lockGuard(mMutex);
    if (nullptr == expectedTopWidget)
    {
        return;
    }
    if (mTopWidget == expectedTopWidget){
        mTopWidget = expectedTopWidget->parentWidget();
        --mDialogCount;
    }
}

void DialogManager::requestLogin(QWidget* aParent)
{
    //Login 直接最顶层模态
    if (!mFunctionDialog){
        mFunctionDialog = new LoginDialog(aParent);
    }
    setTopWidget(mFunctionDialog);
    mFunctionDialog->setWindowModality(Qt::WindowModal);
    mFunctionDialog->exec();
    while (QDialog::Accepted != mFunctionDialog->result())
    {
        mFunctionDialog->exec();
    }
    releaseTopWidget(mFunctionDialog);
}

void DialogManager::requestScreenSaverPlay()
{
    setFocusToTopDialog();
    mScreenSaverWindow->play();
}

void DialogManager::requestScreenSaverStop(bool aIsStopLocker)
{
    mScreenSaverWindow->stop(aIsStopLocker);
}

int DialogManager::requestAddAccount(QSqlTableModel* model) {
    AccountFormDialog dialog(mTopWidget, New);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setReferenceModel(model);
    int ret =  dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

int DialogManager::requestEditSelfAccount() {
    AccountFormDialog dialog(mTopWidget, Self);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret =  dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

int DialogManager::requestEditAdminAccount(const QMap<QString, QVariant>& values) {
    AccountFormDialog dialog(mTopWidget, Admin);
    setTopWidget(&dialog);
    dialog.setAccountInformation(values);
    dialog.setWindowModality(Qt::WindowModal);
    int ret =  dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

void DialogManager::requestChangePassword() {
    ChangePasswordFormDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setGeometry(dialog.parentWidget()->geometry());
    dialog.setWindowModality(Qt::WindowModal);
    dialog.exec();
    releaseTopWidget(&dialog);
}

int DialogManager::requestEditPatientInfo(PatientInformation* aPatientFrom, QSqlTableModel* aModel)
{
    EditPatientDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setPatientInformation(aPatientFrom);
    dialog.setModel(aModel);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

int DialogManager::requestAlertMessage(const QString& aMessage, DialogButtonMode aButtonMode, const QString& aTitle)
{
    AlertDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setAlertMessage(aMessage);
    if (!aTitle.isEmpty())
    {
        dialog.setTitle(aTitle);
    }
    dialog.setButtonMode(aButtonMode);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;

}

DialogResult DialogManager::requestSelectDate(const QString& aDate)
{
    DateSelectDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setSelectedValue(aDate);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getSelectedValue());
}

DialogResult DialogManager::requestSelectLanguage()
{
    SelectDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setValues(JsonObject::Instance()->language());
    dialog.setSelectedValue(JsonObject::Instance()->defaultLanguage());
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getSelectedValue());
}

DialogResult DialogManager::requestSelectProtocal()
{
    SelectDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setValues(JsonObject::Instance()->protocals());
    dialog.setSelectedValue(JsonObject::Instance()->defaultProtocal());
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getSelectedValue());
}

DialogResult DialogManager::requestSelectFilter()
{
    SelectDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setValues(JsonObject::Instance()->worklistFilters());
    dialog.setSelectedValue(JsonObject::Instance()->defaultFilter());
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getSelectedValue());
}

int DialogManager::requestEditDicomConfig()
{
    DicomCfgDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

int DialogManager::requestInputAdminPasswd()
{
    GetAdminPsw dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

int DialogManager::requestEditNetworkConfig()
{
    NetworkCfgDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

DialogResult DialogManager::requestEditIpAndNetMask()
{
    GetIPDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getList());
}

DialogResult DialogManager::requestEditIpAndNetMask(const QStringList& aEditData)
{
    GetIPDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setList(aEditData);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getList());
}

DialogResult DialogManager::requestEditRouteInfo()
{
    GetRouteDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getList());
}

DialogResult DialogManager::requestEditRouteInfo(const QStringList& aEditData)
{
    GetRouteDialog dialog(mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    dialog.setList(aEditData);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return DialogResult(ret,dialog.getList());
}

int DialogManager::requestGetWorkList(QSqlTableModel* aModel)
{
    GetWorkListDialog dialog(aModel,mTopWidget);
    setTopWidget(&dialog);
    dialog.setWindowModality(Qt::WindowModal);
    int ret = dialog.exec();
    releaseTopWidget(&dialog);
    return ret;
}

void DialogManager::raiseDeviceInfo(QObject* parent, QObject* aInfoData)
{
    QPair<QString, unsigned int>* infoData = (QPair<QString, unsigned int>*)(aInfoData);
    raiseMultyMessageDialog(infoData->first,MessageLevel(infoData->second));
}

//考虑以后使用另外的dialog显示错误
void DialogManager::raiseDeviceError(QObject *parent, QObject *msg) {
    clearMessageDialog();
    auto dialog = new GUIMessageDialog(mTopWidget);

    if (nullptr != mTopWidget && mTopWidget->inherits("GUIMessageDialog"))
    {
        GUIMessageDialog* parent = qobject_cast<GUIMessageDialog*>(mTopWidget);
        if (parent->getDialogPos().y() + 320 + GUIMESSAGEDIALOG_OFFSET < 1080)
        {
            dialog->moveDialog(parent->getDialogPos() + QPoint(GUIMESSAGEDIALOG_OFFSET, GUIMESSAGEDIALOG_OFFSET));
        }
    }

    if (msg) {
        QString *str = (QString *) msg;
        dialog->showMessage(*str);
    } else {
        dialog->showMessage("Something went error!");
    }
    dialog->stopLoading();
    dialog->showExitButton();
    setTopWidget(dialog);
    dialog->setWindowModality(Qt::WindowModal);
    mScreenSaverWindow->stop(true);
    dialog->showFullScreen ();
    dialog->exec();
    releaseTopWidget(dialog);
    dialog->deleteLater();
    if (nullptr != mTopWidget && !mTopWidget->inherits("GUIMessageDialog"))
    {
        mScreenSaverWindow->startLocker();
    }
}

// 扫描过程 dialog 只能为最底层，并且会被error dialog 清除！
void DialogManager::invokeOperationStart(QObject *parent, QObject *msg) {
    //没有目标parent 撤销操作
    if (!QApplication::activeWindow()) return;
    //只能在最底层窗口上模态
    if (mDialogCount>0) return;
    clearMessageDialog();
    mOperationMessageDialog = new GUIMessageDialog(QApplication::activeWindow());
    if (msg)
    {
        QString* str = (QString*)msg;
        mOperationMessageDialog->showMessage(*str);
    }
    else
    {
        mOperationMessageDialog->hideMessage();
    }
    mOperationMessageDialog->hideExitButton();
    mOperationMessageDialog->startLoading();
    AppGlobalValues::setInProcessing(true);
    if (mOperationMessageDialog->isHidden())
    {
        mOperationMessageDialog->showFullScreen();
        //mOperationMessageDialog->exec();
    }
}

void DialogManager::invokeOperationProgress(QObject *parent, QObject *msg) {
    //窗口不存在，撤销操作
    if (!mOperationMessageDialog) return;
    if (msg)
    {
        QVariant* var = (QVariant*)msg;
        if (mOperationMessageDialog->Pending())
        {
            mOperationMessageDialog->stopPending();
        }
        mOperationMessageDialog->showMessage(var->toString());
    }
    else
    {
        mOperationMessageDialog->hideMessage();
    }
    if (mOperationMessageDialog->isHidden())
    {
        mOperationMessageDialog->showFullScreen();
        //mOperationMessageDialog->exec();
    }
}

void DialogManager::invokeOperationPending(QObject *parent, QObject *msg) {
    //窗口不存在，撤销操作
    if (!mOperationMessageDialog) return;
    if (!mOperationMessageDialog->Pending())
    {
        mOperationMessageDialog->startPending();
        QVariant* var = (QVariant*)msg;
        mOperationMessageDialog->showMessage(var->toString());
    }
}

void DialogManager::invokeOperationEnd(QObject *parent, QObject *msg) {
    //窗口不存在，撤销操作
    if (!mOperationMessageDialog) return;
    if (!mOperationMessageDialog->isHidden())
    {
        if (msg && ((QVariant*)msg)->toBool())
        {
            mOperationMessageDialog->stopLoading();
            mOperationMessageDialog->showMessage("Scan completed!");
            mOperationMessageDialog->showExitButton();
            mOperationMessageDialog->setWindowModality(Qt::WindowModal);
            mOperationMessageDialog->showFullScreen();
            mOperationMessageDialog->exec();
        }
        else
        {
            mOperationMessageDialog->accept();
        }
        delete mOperationMessageDialog;
        AppGlobalValues::setInProcessing(false);
    }
}

void DialogManager::clearMessageDialog() {
    if (mOperationMessageDialog)
    {
        releaseTopWidget(mOperationMessageDialog);           
        delete mOperationMessageDialog;
    }
}

DialogManager::~DialogManager() {
    clearMessageDialog();
    delete mScreenSaverWindow;
}

void DialogManager::raiseMultyMessageDialog(const QString& aMessage, MessageLevel aMessageLevel)
{
    MultyMessageDialogManager::getInstance()->raiseDialog(aMessage, aMessageLevel);
}

void DialogManager::raiseSyncDialog(const QString& aMessage)
{
    if (!mSyncDialog)
    {
        mSyncDialog = new GUIMessageDialog(mTopWidget);
    }
    mSyncDialog->showMessage(aMessage);
    setTopWidget(mSyncDialog);
    mSyncDialog->setWindowModality(Qt::WindowModal);
    mSyncDialog->showFullScreen ();
    mSyncDialog->exec();
    releaseTopWidget(mSyncDialog);
    delete mSyncDialog;
}

void DialogManager::hideTopSyncDialog()
{
    if (mSyncDialog)
    {
        mSyncDialog->accept();
    }
}

void DialogManager::setFocusToTopDialog()
{
    if (0 < mDialogCount && nullptr != mTopWidget)
    {
        mTopWidget->setFocus();
    }
}