#include "../headers/linbostartactions.h"

LinboStartActions::LinboStartActions(LinboBackend* backend, QWidget *parent) : QWidget(parent)
{
    this->backend = backend;
    connect(this->backend, SIGNAL(currentOsChanged(LinboOs*)), this, SLOT(handleCurrentOsChanged(LinboOs*)));
    connect(this->backend, SIGNAL(stateChanged(LinboBackend::LinboState)), this, SLOT(handleLinboStateChanged(LinboBackend::LinboState)));
    connect(this->backend->getLogger(), SIGNAL(latestLogChanged(const LinboLogger::LinboLog&)), this, SLOT(handleLatestLogChanged(const LinboLogger::LinboLog&)));

    this->stackView = new QModernStackedWidget(this);

    this->inited = false;

    // Action Buttons
    this->buttonWidget = new QWidget();

    this->startOsButton = new QModernPushButton(":/svgIcons/startAction.svg", this->buttonWidget);
    connect(this->startOsButton, SIGNAL(clicked()), this->backend, SLOT(startCurrentOs()));

    this->syncOsButton = new QModernPushButton(":/svgIcons/syncAction.svg", this->buttonWidget);
    connect(this->syncOsButton, SIGNAL(clicked()), this->backend, SLOT(syncCurrentOs()));

    this->reinstallOsButton = new QModernPushButton(":/svgIcons/resetAction.svg", this->buttonWidget);
    connect(this->reinstallOsButton, SIGNAL(clicked()), this->backend, SLOT(reinstallCurrentOs()));

    this->stackView->addWidget(this->buttonWidget);

    // Progress bar
    this->progressBarWidget = new QWidget();
    this->progressBar = new QModernProgressBar(this->progressBarWidget);
    this->progressBar->setIndeterminate(true);

    this->logLabel = new QLabel("", this->progressBarWidget);
    this->logLabel->setAlignment(Qt::AlignCenter);

    this->logFont = QFont("Segoe UI");
    this->logLabel->setFont(this->logFont);

    this->stackView->addWidget(this->progressBarWidget);

    connect(this->stackView, SIGNAL(currentChanged(int)), this, SLOT(resizeAndPositionAllItems()));
    this->stackView->setCurrentWidget(this->buttonWidget);
}

void LinboStartActions::resizeAndPositionAllItems() {

    // stack view
    this->stackView->setFixedSize(this->size());

    // Action buttons
    // bring buttons in correct order:
    LinboOs* selectedOs = this->backend->getCurrentOs();
    LinboOs::LinboOsStartAction defaultAction = LinboOs::UnknownAction;
    if(selectedOs != nullptr)
        defaultAction = selectedOs->getDefaultAction();

    int syncOsPosition = 2;
    int startOsPosition = 0;
    int reinstallOsPosition = 1;

    switch (defaultAction) {
    case LinboOs::StartOs:
        break;
    case LinboOs::SyncOs:
        syncOsPosition = 0;
        startOsPosition = 1;
        reinstallOsPosition = 2;
        break;
    case LinboOs::ReinstallOs:
        syncOsPosition = 1;
        startOsPosition = 2;
        reinstallOsPosition = 0;
        break;
    default:
        break;
    }

    while (this->actionButtons.length() < 3)
        this->actionButtons.append(nullptr);

    this->actionButtons[startOsPosition] = this->startOsButton;
    this->actionButtons[syncOsPosition] = this->syncOsButton;
    this->actionButtons[reinstallOsPosition] = this->reinstallOsButton;

    // check for disabled actions
    QList<bool> positionsEnabled;
    while(positionsEnabled.length() < 3)
        positionsEnabled.append(false);

    if(selectedOs != nullptr) {
        positionsEnabled[startOsPosition] = selectedOs->getStartbutton();
        positionsEnabled[syncOsPosition] = selectedOs->getSyncbutton();
        positionsEnabled[reinstallOsPosition] = selectedOs->getNewbutton();
    }

    QList<QRect> geometries;
    while (geometries.length() < 3)
        geometries.append(QRect());

    // move buttons into place
    this->buttonWidget->setFixedSize(this->size());

    int buttonSpacing = this->height() * 0.1;
    int defaultButtonHeight = this->height() * 0.6;
    geometries[0] = QRect((this->width() - defaultButtonHeight) / 2, 0,defaultButtonHeight, defaultButtonHeight);


    int secondaryButtonHeight = this->height() * 0.3;
    if(positionsEnabled[1] && positionsEnabled[2]) {
        // place buttons besides each other
        geometries[1] = QRect(
                    this->width() / 2 - secondaryButtonHeight - buttonSpacing / 2,
                    defaultButtonHeight + buttonSpacing,
                    secondaryButtonHeight,
                    secondaryButtonHeight
                    );

        geometries[2] = QRect(
                    this->width() / 2 + buttonSpacing / 2,
                    defaultButtonHeight + buttonSpacing,
                    secondaryButtonHeight,
                    secondaryButtonHeight
                    );
    }
    else {
        // place buttons on top of each other
        geometries[1] = QRect(
                    this->width() / 2 - secondaryButtonHeight / 2,
                    defaultButtonHeight + buttonSpacing,
                    secondaryButtonHeight,
                    secondaryButtonHeight
                    );

        geometries[2] = geometries[1];
    }

    for(int i = 0; i < this->actionButtons.length(); i++) {
        if(this->inited) {
            this->actionButtons[i]->setVisibleAnimated(positionsEnabled[i]);
            this->actionButtons[i]->setGeometryAnimated(geometries[i]);
        }
        else {
            // don't animate the first time
            this->actionButtons[i]->setVisible(positionsEnabled[i]);
            this->actionButtons[i]->setGeometry(geometries[i]);
        }
    }

    // Progress bar
    this->progressBarWidget->setFixedSize(this->size());
    int progressBarHeight = this->height() * 0.1;
    int progressBarWidth = this->width() * 0.5;
    int logLabelHeight = progressBarHeight * 2;
    int logLabelWidth = this->width() * 0.8;
    progressBar->setGeometry((this->width() - progressBarWidth) / 2, (this->height() - logLabelHeight - progressBarHeight) / 2, progressBarWidth, progressBarHeight);

    this->logFont.setPixelSize(logLabelHeight * 0.8);
    this->logLabel->setFont(this->logFont);
    this->logLabel->setGeometry((this->width() - logLabelWidth) / 2, this->height() - logLabelHeight, logLabelWidth, logLabelHeight);

    this->inited = true;
}

void LinboStartActions::resizeEvent(QResizeEvent *event) {
    this->resizeAndPositionAllItems();
    QWidget::resizeEvent(event);
}

void LinboStartActions::handleCurrentOsChanged(LinboOs* newOs) {
    Q_UNUSED(newOs)
    this->resizeAndPositionAllItems();
}

void LinboStartActions::handleLinboStateChanged(LinboBackend::LinboState newState) {
    switch (newState) {
    case LinboBackend::Idle:
        this->stackView->setCurrentWidgetAnimated(this->buttonWidget);
        break;

    case LinboBackend::Starting:
    case LinboBackend::Syncing:
    case LinboBackend::Reinstalling:
        this->stackView->setCurrentWidgetAnimated(this->progressBarWidget);
        break;

    default:
        break;
    }
}


void LinboStartActions::handleLatestLogChanged(const LinboLogger::LinboLog& latestLog) {
    QString logColor = "black";
    switch (latestLog.type) {
    case LinboLogger::StdErr:
        logColor = this->backend->getConfig()->getConsoleFontcolorStderr();
        break;
    case LinboLogger::StdOut:
        // TODO?? logColor = this->backend->getConfig()->getConsoleFontcolorStdout();
        break;
    default:
        break;
    }
    this->logLabel->setStyleSheet("QLabel { color : " + logColor + "; }");
    this->logLabel->setText(latestLog.message);
}