// SPDX-License-Identifier: GPL-3.0-only
/*
 *  PolyMC - Minecraft Launcher
 *  Copyright (C) 2022 Lenny McLennington <lenny@sneed.church>
 *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
 *
 *  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, version 3.
 *
 *  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 <https://www.gnu.org/licenses/>.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2013-2021 MultiMC Contributors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

#include "GuiUtil.h"

#include <QClipboard>
#include <QApplication>
#include <QFileDialog>

#include "net/FetchFlameAPIKey.h"
#include "ui/dialogs/ProgressDialog.h"
#include "ui/dialogs/CustomMessageBox.h"
#include "net/PasteUpload.h"

#include "Application.h"
#include <settings/SettingsObject.h>
#include <DesktopServices.h>
#include <BuildConfig.h>

QString GuiUtil::fetchFlameKey(QWidget *parentWidget)
{
    if (BuildConfig.FLAME_API_KEY_API_URL.isEmpty())
        return "";

    ProgressDialog prog(parentWidget);
    auto flameKeyTask = std::make_unique<FetchFlameAPIKey>();
    prog.execWithTask(flameKeyTask.get());

    if (!flameKeyTask->wasSuccessful())
    {
        auto message = QObject::tr("Fetching the Curseforge API key failed. Reason: %1").arg(flameKeyTask->failReason());
        if (!(APPLICATION->capabilities() & Application::SupportsFlame))
        {
            message += "\n\n" + QObject::tr("Downloading Curseforge modpacks will not work unless you manually set a valid Curseforge Core API key in the settings.");
        }

        CustomMessageBox::selectable(parentWidget,
                                     QObject::tr("Failed to fetch Curseforge API key."),
                                     message, QMessageBox::Critical)->exec();
    }

    return flameKeyTask->m_result;
}

QString GuiUtil::uploadPaste(const QString &text, QWidget *parentWidget)
{
    ProgressDialog dialog(parentWidget);
    auto pasteTypeSetting = static_cast<PasteUpload::PasteType>(APPLICATION->settings()->get("PastebinType").toInt());
    auto pasteCustomAPIBaseSetting = APPLICATION->settings()->get("PastebinCustomAPIBase").toString();
    std::unique_ptr<PasteUpload> paste(new PasteUpload(parentWidget, text, pasteCustomAPIBaseSetting, pasteTypeSetting));

    dialog.execWithTask(paste.get());
    if (!paste->wasSuccessful())
    {
        CustomMessageBox::selectable(
            parentWidget,
            QObject::tr("Upload failed"),
            paste->failReason(),
            QMessageBox::Critical
        )->exec();
        return QString();
    }
    else
    {
        const QString link = paste->pasteLink();
        setClipboardText(link);
        CustomMessageBox::selectable(
            parentWidget, QObject::tr("Upload finished"),
            QObject::tr("The <a href=\"%1\">link to the uploaded log</a> has been placed in your clipboard.").arg(link),
            QMessageBox::Information)->exec();
        return link;
    }
}

void GuiUtil::setClipboardText(const QString &text)
{
    QApplication::clipboard()->setText(text);
}

static QStringList BrowseForFileInternal(QString context, QString caption, QString filter, QString defaultPath, QWidget *parentWidget, bool single)
{
    static QMap<QString, QString> savedPaths;

    QFileDialog w(parentWidget, caption);
    QSet<QString> locations;
    auto f = [&](QStandardPaths::StandardLocation l)
    {
        QString location = QStandardPaths::writableLocation(l);
        QFileInfo finfo(location);
        if (!finfo.exists()) {
            return;
        }
        locations.insert(location);
    };
    f(QStandardPaths::DesktopLocation);
    f(QStandardPaths::DocumentsLocation);
    f(QStandardPaths::DownloadLocation);
    f(QStandardPaths::HomeLocation);
    QList<QUrl> urls;
    for (auto location : locations)
    {
        urls.append(QUrl::fromLocalFile(location));
    }
    urls.append(QUrl::fromLocalFile(defaultPath));

    w.setFileMode(single ? QFileDialog::ExistingFile : QFileDialog::ExistingFiles);
    w.setAcceptMode(QFileDialog::AcceptOpen);
    w.setNameFilter(filter);

    QString pathToOpen;
    if(savedPaths.contains(context))
    {
        pathToOpen = savedPaths[context];
    }
    else
    {
        pathToOpen = defaultPath;
    }
    if(!pathToOpen.isEmpty())
    {
        QFileInfo finfo(pathToOpen);
        if(finfo.exists() && finfo.isDir())
        {
            w.setDirectory(finfo.absoluteFilePath());
        }
    }

    w.setSidebarUrls(urls);

    if (w.exec())
    {
        savedPaths[context] = w.directory().absolutePath();
        return w.selectedFiles();
    }
    savedPaths[context] = w.directory().absolutePath();
    return {};
}

QString GuiUtil::BrowseForFile(QString context, QString caption, QString filter, QString defaultPath, QWidget *parentWidget)
{
    auto resultList = BrowseForFileInternal(context, caption, filter, defaultPath, parentWidget, true);
    if(resultList.size())
    {
        return resultList[0];
    }
    return QString();
}


QStringList GuiUtil::BrowseForFiles(QString context, QString caption, QString filter, QString defaultPath, QWidget *parentWidget)
{
    return BrowseForFileInternal(context, caption, filter, defaultPath, parentWidget, false);
}
