//
// 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 "boxes/abstract_box.h"

namespace Ui {
class UsernameInput;
class LinkButton;
} // namespace Ui

class UsernameBox : public BoxContent, public RPCSender {
	Q_OBJECT

public:
	UsernameBox(QWidget *);

protected:
	void prepare() override;
	void setInnerFocus() override;

	void paintEvent(QPaintEvent *e) override;
	void resizeEvent(QResizeEvent *e) override;

private slots:
	void onSave();

	void onCheck();
	void onChanged();

	void onLinkClick();

private:
	void onUpdateDone(const MTPUser &result);
	bool onUpdateFail(const RPCError &error);

	void onCheckDone(const MTPBool &result);
	bool onCheckFail(const RPCError &error);

	QString getName() const;
	void updateLinkText();

	object_ptr<Ui::UsernameInput> _username;
	object_ptr<Ui::LinkButton> _link;

	mtpRequestId _saveRequestId = 0;
	mtpRequestId _checkRequestId = 0;
	QString _sentUsername, _checkUsername, _errorText, _goodText;

	Text _about;
	object_ptr<QTimer> _checkTimer;
};