//
// 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 "core/basic_types.h"
#include "ui/text/text.h"
#include "ui/twidget.h"

class HistoryService;

namespace HistoryLayout {

int WideChatWidth();

struct PaintContext {
	PaintContext(TimeMs ms, const QRect &clip, TextSelection selection)
	    : ms(ms)
	    , clip(clip)
	    , selection(selection) {}
	TimeMs ms;
	const QRect &clip;
	TextSelection selection;
};

class ServiceMessagePainter {
public:
	static void paint(Painter &p, not_null<const HistoryService *> message, const PaintContext &context, int height);

	static void paintDate(Painter &p, const QDateTime &date, int y, int w);
	static void paintDate(Painter &p, const QString &dateText, int dateTextWidth, int y, int w);

	static void paintBubble(Painter &p, int x, int y, int w, int h);

private:
	static void paintComplexBubble(Painter &p, int left, int width, const Text &text, const QRect &textRect);
	static QVector<int> countLineWidths(const Text &text, const QRect &textRect);
};

void paintEmpty(Painter &p, int width, int height);

void serviceColorsUpdated();

void paintBubble(Painter &p, QRect rect, int outerWidth, bool selected, bool outbg, RectPart tailSide);

} // namespace HistoryLayout