//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka 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.
//
// It 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.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once

#include "base/observer.h"
#include <QByteArray>
#include <QPoint>
#include <QString>
#include <QStringList>
#include <QUrl>

// legacy
bool filedialogGetSaveFile(QString &file, const QString &caption, const QString &filter, const QString &initialPath);

QString filedialogDefaultName(const QString &prefix, const QString &extension, const QString &path = QString(),
                              bool skipExistance = false, int fileTime = 0);
QString filedialogNextFilename(const QString &name, const QString &cur, const QString &path = QString());

namespace File {

// Those functions are async wrappers to Platform::File::Unsafe* calls.
void OpenEmailLink(const QString &email);
void OpenWith(const QString &filepath, QPoint menuPosition);
void Launch(const QString &filepath);
void ShowInFolder(const QString &filepath);

namespace internal {

inline QString UrlToLocalDefault(const QUrl &url) {
	return url.toLocalFile();
}

void UnsafeOpenEmailLinkDefault(const QString &email);
void UnsafeLaunchDefault(const QString &filepath);

} // namespace internal
} // namespace File

namespace FileDialog {

struct OpenResult {
	QStringList paths;
	QByteArray remoteContent;
};
void GetOpenPath(const QString &caption, const QString &filter, Fn<void(const OpenResult &result)> callback,
                 Fn<void()> failed = Fn<void()>());
void GetOpenPaths(const QString &caption, const QString &filter, Fn<void(const OpenResult &result)> callback,
                  Fn<void()> failed = Fn<void()>());
void GetWritePath(const QString &caption, const QString &filter, const QString &initialPath,
                  Fn<void(const QString &result)> callback, Fn<void()> failed = Fn<void()>());
void GetFolder(const QString &caption, const QString &initialPath, Fn<void(const QString &result)> callback,
               Fn<void()> failed = Fn<void()>());

QString AllFilesFilter();

namespace internal {

enum class Type {
	ReadFile,
	ReadFiles,
	ReadFolder,
	WriteFile,
};

void InitLastPathDefault();

bool GetDefault(QStringList &files, QByteArray &remoteContent, const QString &caption, const QString &filter,
                ::FileDialog::internal::Type type, QString startFile);

} // namespace internal
} // namespace FileDialog