/*
 * 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>

#ifdef QT_DEBUG
#include <QTreeView>
#include "bookmarkmodel.h"
#include "bookmarkitem.h"
#include "forms/editbookmarkdialog.h"

inline void expandChildren(QTreeView *view, BookmarkModel *model, const QModelIndex &rootIndex)
{
    for(int i = 0; i < model->rowCount(rootIndex); ++i) {
        QModelIndex idx = model->index(i, 0, rootIndex);
        if(model->isItemExpanded(idx))
            view->expand(idx);

        // check if index has children
        if(model->rowCount(idx) > 0)
            expandChildren(view, model, idx);
    }
}
#endif

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);

    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);

    // Testing model/view
#ifdef QT_DEBUG
    {
        model = new BookmarkModel(this);

        QFile bookmarksFile(path);
        if(bookmarksFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
            Xbel::read(&bookmarksFile, model->root());
            bookmarksFile.close();
        }

        ui->treeView->setModel(model);

        expandChildren(ui->treeView, model, QModelIndex());

        connect(ui->treeView, &QTreeView::activated, this, [this](const QModelIndex &index) {
            if(index.column() == 1)
                emit openUrl(index.data(Qt::DisplayRole).toUrl());
            else {
                auto *dlg = new EditBookmarkDialog(model, index, this);
                if(dlg->exec() == QDialog::Accepted) {
                    m_isChanged = true;
                }
            }
        });
    }
#endif
    //

    m_bookmarksPath = path;
}

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

void BookmarksWidget::save()
{
    if(!m_isChanged) {
        return;
    }

    QFile bookmarksFile(m_bookmarksPath);
    if(bookmarksFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
        Xbel::write(&bookmarksFile, model->root());
        bookmarksFile.flush();
        bookmarksFile.close();
        m_isChanged = false;
    }
}

void BookmarksWidget::addBookmark(const QString &title, const QString &url)
{
    model->appendBookmark(title, url, QModelIndex());
    m_isChanged = true;
}

void BookmarksWidget::search(const QString &term, std::function<void(QStringList &)> callback) const
{
    QStringList ret = model->search(term);
//    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);
}