/*
 * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <QDebug>
#include <QScrollBar>

#include "Config.h"
#include "EmojiCategory.h"

EmojiCategory::EmojiCategory(QString category, QList<Emoji> emoji, QWidget *parent)
  : QWidget(parent)
{
        mainLayout_ = new QVBoxLayout(this);
        mainLayout_->setMargin(0);

        emojiListView_ = new QListView();
        itemModel_     = new QStandardItemModel(this);

        delegate_ = new EmojiItemDelegate(this);
        data_     = new Emoji;

        emojiListView_->setItemDelegate(delegate_);
        emojiListView_->setSpacing(5);
        emojiListView_->setModel(itemModel_);
        emojiListView_->setViewMode(QListView::IconMode);
        emojiListView_->setFlow(QListView::LeftToRight);
        emojiListView_->setResizeMode(QListView::Adjust);
        emojiListView_->verticalScrollBar()->setEnabled(false);
        emojiListView_->horizontalScrollBar()->setEnabled(false);

        const int cols = 7;
        const int rows = emoji.size() / 7;

        // TODO: Be precise here. Take the parent into consideration.
        emojiListView_->setFixedSize(cols * 50 + 20, rows * 50 + 20);
        emojiListView_->setGridSize(QSize(50, 50));
        emojiListView_->setDragEnabled(false);
        emojiListView_->setEditTriggers(QAbstractItemView::NoEditTriggers);

        for (const auto &e : emoji) {
                data_->unicode = e.unicode;

                auto item = new QStandardItem;
                item->setSizeHint(QSize(24, 24));

                QVariant unicode(data_->unicode);
                item->setData(unicode.toString(), Qt::UserRole);

                itemModel_->appendRow(item);
        }

        QFont font("Open Sans SemiBold");
        font.setPixelSize(conf::fontSize);

        category_ = new QLabel(category, this);
        category_->setFont(font);
        category_->setStyleSheet("color: #ccc; margin: 20px 0px 15px 8px;");

        auto labelLayout_ = new QHBoxLayout();
        labelLayout_->addWidget(category_);
        labelLayout_->addStretch(1);

        mainLayout_->addLayout(labelLayout_);
        mainLayout_->addWidget(emojiListView_);

        connect(emojiListView_, &QListView::clicked, this, &EmojiCategory::clickIndex);
}

EmojiCategory::~EmojiCategory() {}