/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   Copyright (C) 2026 Project Tick
 *
 *   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, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   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/>.
 */

#include "GuiUtil.h"

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

#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::uploadPaste(const QString& text, QWidget* parentWidget)
{
	ProgressDialog dialog(parentWidget);
	auto APIKeySetting =
		APPLICATION->settings()->get("PasteEEAPIKey").toString();
	if (APIKeySetting == "meshmc") {
		APIKeySetting = BuildConfig.PASTE_EE_KEY;
	}
	std::unique_ptr<PasteUpload> paste(
		new PasteUpload(parentWidget, text, APIKeySetting));

	if (!paste->validateText()) {
		CustomMessageBox::selectable(
			parentWidget, QObject::tr("Upload failed"),
			QObject::tr(
				"The log file is too big. You'll have to upload it manually."),
			QMessageBox::Warning)
			->exec();
		return QString();
	}

	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);
}