/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: git://neueland.iserlohn-fortress.net/smolbote.git
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "bookmarkswidget.h"
#include "ui_bookmarksform.h"
#include <QTreeWidget>
#include <QUrl>

BookmarksWidget::BookmarksWidget(const QString &path, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::BookmarksDialog)
{
    // make sure this dialog does not get deleted on close
    setAttribute(Qt::WA_DeleteOnClose, false);
    setWindowTitle(tr("Bookmarks"));

    ui->setupUi(this);
    ui->treeWidget->header()->setSectionResizeMode(QHeaderView::Stretch);

    QStyle *style = ui->treeWidget->style();
    ui->addFolder_toolButton->setIcon(style->standardPixmap(QStyle::SP_DirIcon));
    ui->addBookmark_toolButton->setIcon(style->standardPixmap(QStyle::SP_FileIcon));
    ui->deleteItem_toolButton->setIcon(style->standardPixmap(QStyle::SP_TrashIcon));

    connect(ui->treeWidget, SIGNAL(itemSelectionChanged()), this, SLOT(showItemDetails()));
    connect(ui->treeWidget, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SLOT(openItem(QTreeWidgetItem*,int)));

    ui->deleteItem_toolButton->setShortcut(QKeySequence::Delete);

    m_path = path;
    xbel = new Xbel(ui->treeWidget);
    qDebug("Reading bookmarks [%s] %s", qUtf8Printable(m_path), xbel->read(m_path) ? "ok" : "failed");

    connect(ui->addFolder_toolButton, &QToolButton::clicked, this, [&]() {
        xbel->addFolder(ui->treeWidget->currentItem());
    });
    connect(ui->addBookmark_toolButton, &QToolButton::clicked, this, [&]() {
        xbel->addBookmark(ui->treeWidget->currentItem());
    });
    connect(ui->deleteItem_toolButton, &QToolButton::clicked, this, [&]() {
        delete ui->treeWidget->currentItem();
    });

    // editing bookmarks
    connect(ui->title_lineEdit, &QLineEdit::returnPressed, this, [&]() {
        ui->treeWidget->currentItem()->setText(0, ui->title_lineEdit->text());
    });
    connect(ui->href_lineEdit, &QLineEdit::returnPressed, this, [&]() {
        ui->treeWidget->currentItem()->setText(1, ui->href_lineEdit->text());
    });
}

BookmarksWidget::~BookmarksWidget()
{
    delete xbel;
    delete ui;
}

void BookmarksWidget::save()
{
    qDebug("Writing bookmarks [%s] %s", qUtf8Printable(m_path), xbel->write(m_path) ? "ok" : "failed");
}

QStringList BookmarksWidget::bookmarksFor(const QString &term)
{
    QStringList ret;
    for(int i = 0; i < ui->treeWidget->topLevelItemCount(); ++i) {
        ret += searchItem(ui->treeWidget->topLevelItem(i), term);
    }
    return ret;
}

QAbstractItemModel *BookmarksWidget::model() const
{
    return ui->treeWidget->model();
}

QStringList BookmarksWidget::searchItem(QTreeWidgetItem *item, const QString &term)
{
    if(item->text(1).contains(term)) {
        return { item->text(1) };
    }

    QStringList ret;
    for(int i = 0; i < item->childCount(); ++i) {
        ret += searchItem(item->child(i), term);
    }
    return ret;
}

void BookmarksWidget::openItem(QTreeWidgetItem *item, int column)
{
    Q_UNUSED(column)
    emit openUrl(QUrl::fromUserInput(item->text(1)));
}

void BookmarksWidget::showItemDetails()
{
    QTreeWidgetItem *item = ui->treeWidget->currentItem();
    if(!item) {
        ui->title_lineEdit->setText("");
        ui->href_label->setText("");
        return;
    }
    ui->title_lineEdit->setText(item->text(0));
    ui->href_lineEdit->setText(item->text(1));
}