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

#include "DialogManager.h"

#include <QApplication>
#include <QWidget>

#include "event/EventCenter.h"
#include "dialogs/GUIMessageDialog.h"
#include "appvals/AppGlobalValues.h"

void DialogManager::init() {
    connect(EventCenter::Default(), &EventCenter::DeviceErrorRaise,this,&DialogManager::raiseDeviceError);
    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);
}

QWidget *DialogManager::getTopWidget() {
    if (!topWidgetStore.isEmpty()) return topWidgetStore.top();
    return QApplication::activeWindow();
}

void DialogManager::raiseDeviceError(QObject *parent, QObject *msg) {
    if (!this->getTopWidget()->isVisible()) return;
    //new dialog
    auto dialog = new GUIMessageDialog(this->getTopWidget());
    if (msg)
    {
        QString* str = (QString*)msg;
        dialog->showMessage(*str);
    }
    else
    {
        dialog->showMessage("Something went error!");
    }
    dialog->stopLoading();
    dialog->showExitButton();
    if (dialog->isHidden())
    {
        topWidgetStore.push(dialog);
        dialog->setWindowModality(Qt::NonModal);
        dialog->exec();
        topWidgetStore.pop();
    }
}

void DialogManager::invokeOperationStart(QObject *parent, QObject *msg) {
    if (mMessageDialog)
    {
        mMessageDialog->hide();
        delete mMessageDialog;
    }
    mMessageDialog = new GUIMessageDialog(this->getTopWidget());
    if (msg)
    {
        QString* str = (QString*)msg;
        mMessageDialog->showMessage(*str);
    }
    else
    {
        mMessageDialog->hideMessage();
    }
    mMessageDialog->hideExitButton();
    mMessageDialog->startLoading();
    AppGlobalValues::setInProcessing(true);
    if (mMessageDialog->isHidden())
    {
        mMessageDialog->open();
    }
}

void DialogManager::invokeOperationProgress(QObject *parent, QObject *msg) {
    if (!mMessageDialog) mMessageDialog = new GUIMessageDialog(this->getTopWidget());
    if (msg)
    {
        QVariant* var = (QVariant*)msg;
        if (mMessageDialog->Pending())
        {
            mMessageDialog->stopPending();
        }
        mMessageDialog->showMessage(var->toString());
    }
    else
    {
        mMessageDialog->hideMessage();
    }
    if (mMessageDialog->isHidden())
    {
        mMessageDialog->show();
    }
}

void DialogManager::invokeOperationPending(QObject *parent, QObject *msg) {
    if (!mMessageDialog) return;
    if (!mMessageDialog->Pending())
    {
        mMessageDialog->startPending();
        QVariant* var = (QVariant*)msg;
        mMessageDialog->showMessage(var->toString());
    }
}

void DialogManager::invokeOperationEnd(QObject *parent, QObject *msg) {
    if (!mMessageDialog)
    {
        return;
    }
    if (!mMessageDialog->isHidden())
    {
        if (msg && ((QVariant*)msg)->toBool())
        {
            mMessageDialog->stopLoading();
            mMessageDialog->showMessage("Scan completed!");
            mMessageDialog->showExitButton();
            mMessageDialog->setWindowModality(Qt::WindowModal);
            mMessageDialog->exec();
        }
        else
        {
            mMessageDialog->accept();
        }
        delete mMessageDialog;
        mMessageDialog = nullptr;
        AppGlobalValues::setInProcessing(false);
    }
}