/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop 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/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once

#include "intro/introwidget.h"

namespace Ui {
class FlatInput;
class RoundButton;
class LinkButton;
} // namespace Ui

class IntroPwdCheck final : public IntroStep {
	Q_OBJECT

public:
	IntroPwdCheck(IntroWidget *parent);

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

	void step_error(float64 ms, bool timer);

	void activate() override;
	void cancelled() override;
	void onSubmit() override;

	void pwdSubmitDone(bool recover, const MTPauth_Authorization &result);
	bool pwdSubmitFail(const RPCError &error);
	bool codeSubmitFail(const RPCError &error);
	bool recoverStartFail(const RPCError &error);

	void recoverStarted(const MTPauth_PasswordRecovery &result);

public slots:
	void onSubmitPwd(bool force = false);
	void onToRecover();
	void onToPassword();
	void onInputChange();
	void onCheckRequest();
	void onToReset();
	void onReset();
	void onResetSure();

private:
	void showError(const QString &error);
	void stopCheck();

	void deleteDone(const MTPBool &result);
	bool deleteFail(const RPCError &error);

	QString _error;
	anim::fvalue a_errorAlpha;
	Animation _a_error;

	ChildWidget<Ui::RoundButton> _next;

	QRect _textRect;

	QByteArray _salt;
	bool _hasRecovery;
	QString _hint, _emailPattern;

	ChildWidget<Ui::FlatInput> _pwdField;
	ChildWidget<Ui::FlatInput> _codeField;
	ChildWidget<Ui::LinkButton> _toRecover;
	ChildWidget<Ui::LinkButton> _toPassword;
	ChildWidget<Ui::LinkButton> _reset;
	mtpRequestId _sentRequest = 0;

	Text _hintText;

	QByteArray _pwdSalt;

	ChildObject<QTimer> _checkRequest;

};