/*
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 "boxes/abstractbox.h"
#include "localimageloader.h"

namespace Ui {
class Checkbox;
class RoundButton;
class InputArea;
} // namespace Ui

class SendFilesBox : public AbstractBox {
	Q_OBJECT

public:
	SendFilesBox(const QString &filepath, QImage image, CompressConfirm compressed, bool animated = false);
	SendFilesBox(const QStringList &files, CompressConfirm compressed);
	SendFilesBox(const QString &phone, const QString &firstname, const QString &lastname);

	void setConfirmedCallback(base::lambda<void(const QStringList &files, bool compressed, const QString &caption, bool ctrlShiftEnter)> &&callback) {
		_confirmedCallback = std_::move(callback);
	}
	void setCancelledCallback(base::lambda<void()> &&callback) {
		_cancelledCallback = std_::move(callback);
	}

public slots:
	void onCompressedChange();
	void onSend(bool ctrlShiftEnter = false);
	void onCaptionResized();

protected:
	void keyPressEvent(QKeyEvent *e) override;
	void paintEvent(QPaintEvent *e) override;
	void resizeEvent(QResizeEvent *e) override;

	void closePressed() override;
	void doSetInnerFocus() override;

private:
	void setup();
	void updateTitleText();
	void updateBoxSize();
	void updateControlsGeometry();
	QString getSendButtonText() const;

	QString _titleText;
	QStringList _files;
	const QImage _image;

	CompressConfirm _compressConfirm = CompressConfirm::None;
	bool _animated = false;

	QPixmap _preview;
	int _previewLeft = 0;
	int _previewWidth = 0;
	int _previewHeight = 0;

	QPixmap _fileThumb;
	Text _nameText;
	bool _fileIsImage = false;
	QString _statusText;
	int _statusWidth = 0;

	QString _contactPhone;
	QString _contactFirstName;
	QString _contactLastName;

	base::lambda<void(const QStringList &files, bool compressed, const QString &caption, bool ctrlShiftEnter)> _confirmedCallback;
	base::lambda<void()> _cancelledCallback;
	bool _confirmed = false;

	ChildWidget<Ui::InputArea> _caption = { nullptr };
	ChildWidget<Ui::Checkbox> _compressed = { nullptr };

	ChildWidget<Ui::RoundButton> _send;
	ChildWidget<Ui::RoundButton> _cancel;

};

class EditCaptionBox : public AbstractBox, public RPCSender {
	Q_OBJECT

public:
	EditCaptionBox(HistoryItem *msg);

	bool captionFound() const;

public slots:
	void onCaptionResized();
	void onSave(bool ctrlShiftEnter = false);

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

	void doSetInnerFocus() override;

private:
	void updateBoxSize();

	void saveDone(const MTPUpdates &updates);
	bool saveFail(const RPCError &error);

	FullMsgId _msgId;
	bool _animated, _photo, _doc;

	QPixmap _thumb;

	ChildWidget<Ui::InputArea> _field = { nullptr };
	ChildWidget<Ui::RoundButton> _save;
	ChildWidget<Ui::RoundButton> _cancel;

	int32 _thumbx, _thumby, _thumbw, _thumbh;
	Text _name;
	QString _status;
	int32 _statusw;
	bool _isImage;

	bool _previewCancelled;
	mtpRequestId _saveRequestId;

	QString _error;

};