/*
 * 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: https://neueland.iserlohn-fortress.net/smolbote.hg
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "bookmarkswidget.h"
#include "ui_bookmarksform.h"
#include "xbel.h"
#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->bookmark_groupBox->setVisible(false);
    ui->folder_groupBox->setVisible(false);

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

    m_bookmarksPath = path;

    // read bookmarks
    {
        QFile bookmarksFile(m_bookmarksPath);
        if(bookmarksFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
            XbelReader xbel(&bookmarksFile);
            xbel.read(ui->treeWidget);
            //qDebug("Reading bookmarks [%s] %s", qUtf8Printable(path), m_model->read(&xbel) ? "ok" : "failed");
            bookmarksFile.close();
        }
    }

    // open bookmark action
    connect(ui->treeWidget, &QTreeWidget::itemActivated, this, [this](QTreeWidgetItem *item, int column) {
        emit openUrl(QUrl::fromUserInput(item->text(1)));
    });

    // add bookmark action
    connect(ui->addBookmark_toolButton, &QToolButton::clicked, this, [this]() {
        auto *parentItem = ui->treeWidget->currentItem();
        if(ui->treeWidget->itemType(parentItem) == BookmarksView::Bookmark)
            parentItem = parentItem->parent();

        auto *bookmark = ui->treeWidget->createBookmark(parentItem);
        bookmark->setText(0, tr("title"));
        bookmark->setText(1, tr("href"));
    });

    // add folder action
    connect(ui->addFolder_toolButton, &QToolButton::clicked, this, [this]() {
        auto *parentItem = ui->treeWidget->currentItem();
        if(ui->treeWidget->itemType(parentItem) == BookmarksView::Bookmark)
            parentItem = parentItem->parent();

        auto *folder = ui->treeWidget->createFolder(parentItem);
        folder->setText(0, tr("title"));
    });

    // delete item action
    connect(ui->deleteItem_toolButton, &QToolButton::clicked, this, [this]() {
        delete ui->treeWidget->currentItem();
    });

    // edit item action
    connect(ui->treeWidget, &QTreeWidget::currentItemChanged, this, [this](QTreeWidgetItem *current, QTreeWidgetItem *previous) {
        // save the previous item
        if(previous) {
            if(ui->treeWidget->itemType(previous) == BookmarksView::Folder) {
                previous->setText(0, ui->folderTitle->text());
                ui->folder_groupBox->setVisible(false);
            } else if(ui->treeWidget->itemType(previous) == BookmarksView::Bookmark) {
                previous->setText(0, ui->bookmarkTitle->text());
                previous->setText(1, ui->bookmarkHref->text());
                ui->bookmark_groupBox->setVisible(false);
            }
        }

        // edit current item
        if(current) {
            if(ui->treeWidget->itemType(current) == BookmarksView::Folder) {
                ui->folderTitle->setText(current->text(0));
                ui->folder_groupBox->setVisible(true);
            } else if(ui->treeWidget->itemType(current) == BookmarksView::Bookmark) {
                ui->bookmarkTitle->setText(current->text(0));
                ui->bookmarkHref->setText(current->text(1));
                ui->bookmark_groupBox->setVisible(true);
            }
        }
    });
}

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

void BookmarksWidget::save()
{
    /*
    if(!m_model->isModified()) {
        qDebug("Writing bookmarks skipped");
        return;
    }
    */

    QFile bookmarksFile(m_bookmarksPath);
    if(bookmarksFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
        XbelWriter xbel(&bookmarksFile);
        xbel.write(ui->treeWidget);
        //qDebug("Writing bookmarks %s", m_model->write(&xbel) ? "ok" : "failed");
        bookmarksFile.flush();
        bookmarksFile.close();
    }
}

void BookmarksWidget::addBookmark(const QString &title, const QString &url)
{
    auto *bookmark = ui->treeWidget->createBookmark(nullptr);
    bookmark->setText(0, title);
    bookmark->setText(1, url);
}

void BookmarksWidget::search(const QString &term, std::function<void(QStringList &)> callback) const
{
    QStringList ret;
    const QList<QTreeWidgetItem *> res = ui->treeWidget->findItems(term, Qt::MatchContains | Qt::MatchRecursive, 1);
    for(const QTreeWidgetItem *i : res) {
        if(!i->text(1).isEmpty())
            ret.append(i->text(1));
    }

    callback(ret);
}