// Copyright(c) 2017-2019 Alejandro Sirgo Rica & Contributors
//
// This file is part of Flameshot.
//
//     Flameshot is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
//
//     Flameshot is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with Flameshot.  If not, see <http://www.gnu.org/licenses/>.

#include "textconfig.h"
#include "src/utils/colorutils.h"
#include "src/utils/pathinfo.h"
#include <QComboBox>
#include <QFontDatabase>
#include <QHBoxLayout>
#include <QPushButton>
#include <QVBoxLayout>

TextConfig::TextConfig(QWidget* parent)
  : QWidget(parent)
{
    m_layout = new QVBoxLayout(this);

    QFontDatabase fontDB;
    QComboBox* fontsCB = new QComboBox();
    connect(fontsCB,
            &QComboBox::currentTextChanged,
            this,
            &TextConfig::fontFamilyChanged);
    fontsCB->addItems(fontDB.families());
    // TODO save family in config
    int index = fontsCB->findText(font().family());
    fontsCB->setCurrentIndex(index);

    QString iconPrefix = ColorUtils::colorIsDark(palette().windowText().color())
                           ? PathInfo::blackIconPath()
                           : PathInfo::whiteIconPath();

    m_strikeOutButton = new QPushButton(
      QIcon(iconPrefix + "format_strikethrough.svg"), QLatin1String(""));
    m_strikeOutButton->setCheckable(true);
    connect(m_strikeOutButton,
            &QPushButton::clicked,
            this,
            &TextConfig::fontStrikeOutChanged);
    m_strikeOutButton->setToolTip(tr("StrikeOut"));

    m_underlineButton = new QPushButton(
      QIcon(iconPrefix + "format_underlined.svg"), QLatin1String(""));
    m_underlineButton->setCheckable(true);
    connect(m_underlineButton,
            &QPushButton::clicked,
            this,
            &TextConfig::fontUnderlineChanged);
    m_underlineButton->setToolTip(tr("Underline"));

    m_weightButton =
      new QPushButton(QIcon(iconPrefix + "format_bold.svg"), QLatin1String(""));
    m_weightButton->setCheckable(true);
    connect(m_weightButton,
            &QPushButton::clicked,
            this,
            &TextConfig::weightButtonPressed);
    m_weightButton->setToolTip(tr("Bold"));

    m_italicButton = new QPushButton(QIcon(iconPrefix + "format_italic.svg"),
                                     QLatin1String(""));
    m_italicButton->setCheckable(true);
    connect(m_italicButton,
            &QPushButton::clicked,
            this,
            &TextConfig::fontItalicChanged);
    m_italicButton->setToolTip(tr("Italic"));
    QHBoxLayout* modifiersLayout = new QHBoxLayout();

    m_layout->addWidget(fontsCB);
    modifiersLayout->addWidget(m_strikeOutButton);
    modifiersLayout->addWidget(m_underlineButton);
    modifiersLayout->addWidget(m_weightButton);
    modifiersLayout->addWidget(m_italicButton);
    m_layout->addLayout(modifiersLayout);
}

void TextConfig::setUnderline(const bool u)
{
    m_underlineButton->setChecked(u);
}

void TextConfig::setStrikeOut(const bool s)
{
    m_strikeOutButton->setChecked(s);
}

void TextConfig::setWeight(const int w)
{
    m_weightButton->setChecked(static_cast<QFont::Weight>(w) == QFont::Bold);
}

void TextConfig::setItalic(const bool i)
{
    m_italicButton->setChecked(i);
}

void TextConfig::weightButtonPressed(const bool w)
{
    if (w) {
        emit fontWeightChanged(QFont::Bold);
    } else {
        emit fontWeightChanged(QFont::Normal);
    }
}
