/*
 * Copyright (c) 2012-2014 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

/*
 * Copyright (c) 2014-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swift/QtUI/QtVCardWidget/QtVCardGeneralField.h>

#include <cassert>

#include <QHBoxLayout>
#include <QToolTip>

#include <Swift/QtUI/QtElidingLabel.h>

namespace Swift {

QtVCardGeneralField::QtVCardGeneralField(QWidget* parent, QGridLayout* layout, bool editable, int row, QString label, bool preferrable, bool taggable) :
    QWidget(parent), editable(editable), preferrable(preferrable), starVisible(false), taggable(taggable), layout(layout), row(row), preferredCheckBox(nullptr), label(nullptr), labelText(label),
    tagComboBox(nullptr), tagLabel(nullptr), closeButton(nullptr) {
}

QtVCardGeneralField::~QtVCardGeneralField() {

}

void QtVCardGeneralField::initialize() {
    if (preferrable) {
        preferredCheckBox = new QCheckBox(this);
        preferredCheckBox->setToolTip(tr("Stars can be used to mark preferred contact details."));
        preferredCheckBox->setStyleSheet(
                    "QCheckBox::indicator { width: 18px; height: 18px; }"
                    "QCheckBox::indicator:checked { image: url(:/icons/star-checked.png); }"
                    "QCheckBox::indicator:unchecked { image: url(:/icons/star-unchecked.png); }"
            );
        layout->addWidget(preferredCheckBox, row, 0, Qt::AlignVCenter);
        childWidgets << preferredCheckBox;
        connect(preferredCheckBox, SIGNAL(stateChanged(int)), SLOT(handlePreferredStarStateChanged(int)));
    }
    label = new QLabel(this);
    label->setText(labelText);
    layout->addWidget(label, row, 1, Qt::AlignVCenter | Qt::AlignRight);

    tagLabel = new QtElidingLabel(this);
    tagLabel->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);

    tagComboBox = new QtTagComboBox(this);
    closeButton = new QtCloseButton(this);
    connect(closeButton, SIGNAL(clicked()), SLOT(handleCloseButtonClicked()));

    QHBoxLayout* tagLayout = new QHBoxLayout();
    tagLayout->addWidget(tagLabel);
    tagLayout->addWidget(tagComboBox);

    setupContentWidgets();
    layout->addLayout(tagLayout, row, 4, Qt::AlignTop);
    layout->addWidget(closeButton, row, 5, Qt::AlignCenter);
    closeButton->resize(12, 12);
    tagLabel->hide();

    childWidgets << label << tagComboBox << tagLabel << closeButton;
    setEditable(editable);
}

bool QtVCardGeneralField::isEditable() const {
    return editable;
}

void QtVCardGeneralField::setEditable(bool editable) {
    assert(tagComboBox);
    assert(closeButton);

    this->editable = editable;
    if (taggable) {
        tagLabel->setText(tagComboBox->itemText(0));
        tagComboBox->setVisible(editable);
        tagLabel->setVisible(!editable);
    } else {
        tagLabel->hide();
        tagComboBox->hide();
    }
    closeButton->setVisible(editable);
    updatePreferredStarVisibility();
    editableChanged(this->editable);
}

void QtVCardGeneralField::setStarVisible(const bool isVisible) {
    starVisible = isVisible;
    updatePreferredStarVisibility();
}

bool QtVCardGeneralField::getStarVisible() const {
    return starVisible;
}

void QtVCardGeneralField::setPreferred(const bool preferred) {
    if (preferredCheckBox) preferredCheckBox->setChecked(preferred);
    updatePreferredStarVisibility();
}

bool QtVCardGeneralField::getPreferred() const {
    return preferredCheckBox ? preferredCheckBox->isChecked() : false;
}

void QtVCardGeneralField::customCleanup() {
}

QtTagComboBox* QtVCardGeneralField::getTagComboBox() const {
    return tagComboBox;
}

QGridLayout* QtVCardGeneralField::getGridLayout() const {
    return layout;
}

void QtVCardGeneralField::handleCloseButtonClicked() {
    customCleanup();
    for (auto widget : childWidgets) {
        widget->hide();
        layout->removeWidget(widget);
    }
    deleteField(this);
}

void QtVCardGeneralField::handlePreferredStarStateChanged(int state) {
    if (state == Qt::Checked) {
        QToolTip::showText(QCursor::pos(), tr("Marked as your preferred %1. Click again to undo.").arg(labelText));
    }
}

void QtVCardGeneralField::updatePreferredStarVisibility() {
    if (preferredCheckBox) {
        bool showStar = false;
        if (editable) {
            if (starVisible) {
                showStar = true;
            }
            else {
                showStar = preferredCheckBox->isChecked();
            }
        }
        else {
            showStar = preferredCheckBox->isChecked();
        }
        preferredCheckBox->setVisible(showStar);
        preferredCheckBox->setEnabled(editable);
    }
}

}
