//
// 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"
#include "history/history_media.h"
#include "storage/localimageloader.h"

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

class SendFilesBox : public BoxContent {
	Q_OBJECT

public:
	SendFilesBox(QWidget *, QImage image, CompressConfirm compressed);
	SendFilesBox(QWidget *, const QStringList &files, CompressConfirm compressed);
	SendFilesBox(QWidget *, const QString &phone, const QString &firstname, const QString &lastname);

	void setConfirmedCallback(Fn<void(const QStringList &files, const QImage &image,
	                                  std::unique_ptr<FileLoadTask::MediaInformation> information, bool compressed,
	                                  const QString &caption, bool ctrlShiftEnter)>
	                              callback) {
		_confirmedCallback = std::move(callback);
	}
	void setCancelledCallback(Fn<void()> callback) {
		_cancelledCallback = std::move(callback);
	}

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

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

private slots:
	void onCompressedChange();
	void onSend(bool ctrlShiftEnter = false);
	void onCaptionResized();
	void onClose() {
		closeBox();
	}

private:
	void prepareSingleFileLayout();
	void prepareDocumentLayout();
	void tryToReadSingleFile();
	void prepareGifPreview();
	void clipCallback(Media::Clip::Notification notification);

	void updateTitleText();
	void updateBoxSize();
	void updateControlsGeometry();
	Fn<QString()> getSendButtonText() const;

	QString _titleText;
	QStringList _files;
	QImage _image;
	std::unique_ptr<FileLoadTask::MediaInformation> _information;

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

	QPixmap _preview;
	int _previewLeft = 0;
	int _previewWidth = 0;
	int _previewHeight = 0;
	Media::Clip::ReaderPointer _gifPreview;

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

	QString _contactPhone;
	QString _contactFirstName;
	QString _contactLastName;
	EmptyUserpic _contactPhotoEmpty;

	Fn<void(const QStringList &files, const QImage &image, std::unique_ptr<FileLoadTask::MediaInformation> information,
	        bool compressed, const QString &caption, bool ctrlShiftEnter)>
	    _confirmedCallback;
	Fn<void()> _cancelledCallback;
	bool _confirmed = false;

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

	QPointer<Ui::RoundButton> _send;
};

class EditCaptionBox : public BoxContent, public RPCSender {
	Q_OBJECT

public:
	EditCaptionBox(QWidget *, HistoryMedia *media, FullMsgId msgId);

public slots:
	void onCaptionResized();
	void onSave(bool ctrlShiftEnter = false);
	void onClose() {
		closeBox();
	}

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

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

private:
	void updateBoxSize();
	void prepareGifPreview(DocumentData *document);
	void clipCallback(Media::Clip::Notification notification);

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

	int errorTopSkip() const;

	FullMsgId _msgId;
	bool _animated = false;
	bool _photo = false;
	bool _doc = false;

	QPixmap _thumb;
	Media::Clip::ReaderPointer _gifPreview;

	object_ptr<Ui::InputArea> _field = {nullptr};

	int _thumbx = 0;
	int _thumby = 0;
	int _thumbw = 0;
	int _thumbh = 0;
	Text _name;
	QString _status;
	int _statusw = 0;
	bool _isAudio = false;
	bool _isImage = false;

	bool _previewCancelled = false;
	mtpRequestId _saveRequestId = 0;

	QString _error;
};