/*
 * 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/gitea/aqua/smolbote
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "webview.h"
#include "subwindow/subwindow.h"
#include "webpage.h"
#include "webprofile.h"
#include "webprofilemanager.h"
#include "webviewcontextmenu.h"
#include <QContextMenuEvent>
#include <QJsonObject>
#include <QWebEngineHistoryItem>

WebView::WebView(QWidget *parent)
    : QWebEngineView(parent)
{
    m_parentWindow = qobject_cast<SubWindow *>(parent);

    // load status and progress
    connect(this, &QWebEngineView::loadStarted, this, [this]() {
        m_loaded = false;
    });
    connect(this, &QWebEngineView::loadFinished, this, [this]() {
        m_loaded = true;
    });

    // TODO for Qt 5.15, check for fix on QTBUG 65223
    connect(this, &QWebEngineView::loadProgress, this, [this](int progress) {
        if(progress == 100) {
            emit loadFinished(true);
        }
    });
}

WebView::WebView(WebProfile *profile, QWidget *parent)
    : WebView(parent)
{
    Q_CHECK_PTR(profile);
    m_profile = profile;
    setPage(new WebPage(profile, this));
}

WebView::WebView(const Session::WebView &data, QWidget *parent)
    : WebView(parent)
{
    const auto *profileManager = WebProfileManager::instance();
    Q_CHECK_PTR(profileManager);

    auto *profile = profileManager->profile(data.profile);
    if(profile != nullptr) {
        setProfile(profile);
    }

    if(!data.url.isEmpty())
        load(QUrl::fromUserInput(data.url));
    else {
        QByteArray copy(data.history);
        QDataStream historyStream(&copy, QIODevice::ReadOnly);
        historyStream >> *history();
    }
}

void WebView::setProfile(WebProfile *profile)
{
    m_profile = profile;
    const auto url = this->url();
    setPage(new WebPage(profile, this));
    this->load(url);
}

Session::WebView WebView::serialize() const
{
    const auto *profileManager = WebProfileManager::instance();
    Q_CHECK_PTR(profileManager);

    QByteArray historyData;
    QDataStream historyStream(&historyData, QIODevice::WriteOnly);
    historyStream << *history();

    return { profileManager->id(profile()), QString(), historyData };
}

bool WebView::isLoaded() const
{
    return m_loaded;
}

void WebView::search(const QString &term)
{
    const QString searchUrl = m_profile->search().arg(QString(QUrl::toPercentEncoding(term)));
    load(searchUrl);
}

WebView *WebView::createWindow(QWebEnginePage::WebWindowType type)
{
    Q_CHECK_PTR(m_parentWindow);

    // parent Window has been found
    auto index = m_parentWindow->addTab();
    WebView *view = m_parentWindow->view(index);
    switch(type) {
    case QWebEnginePage::WebBrowserWindow:
        // a complete web browser window
        break;

    case QWebEnginePage::WebBrowserTab:
        // a web browser tab
        m_parentWindow->setCurrentTab(index);
        break;

    case QWebEnginePage::WebDialog:
        // a window without decorations
        break;

    case QWebEnginePage::WebBrowserBackgroundTab:
        // a web browser tab, but don't swap to it
        break;
    }

    return view;
}

void WebView::contextMenuEvent(QContextMenuEvent *event)
{
    auto *menu = new WebViewContextMenu(this);
    //const auto ctxdata = page()->contextMenuData();
    menu->exec(event->globalPos());
}