//
// 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 "base/runtime_composer.h"
#include "history/history.h"
#include "history/history_item.h"
#include "ui/style/style_core_types.h"
#include "ui/text/text.h"

constexpr auto FullSelection = TextSelection{0xFFFF, 0xFFFF};

extern TextParseOptions _textNameOptions, _textDlgOptions;
extern TextParseOptions _historyTextOptions, _historyBotOptions, _historyTextNoMonoOptions, _historyBotNoMonoOptions;

const TextParseOptions &itemTextOptions(History *h, PeerData *f);
const TextParseOptions &itemTextOptions(const HistoryItem *item);
const TextParseOptions &itemTextNoMonoOptions(History *h, PeerData *f);
const TextParseOptions &itemTextNoMonoOptions(const HistoryItem *item);

enum RoundCorners {
	SmallMaskCorners = 0x00, // for images
	LargeMaskCorners,

	BoxCorners,
	MenuCorners,
	BotKbOverCorners,
	StickerCorners,
	StickerSelectedCorners,
	SelectedOverlaySmallCorners,
	SelectedOverlayLargeCorners,
	DateCorners,
	DateSelectedCorners,
	ForwardCorners,
	MediaviewSaveCorners,
	EmojiHoverCorners,
	StickerHoverCorners,
	BotKeyboardCorners,
	PhotoSelectOverlayCorners,

	Doc1Corners,
	Doc2Corners,
	Doc3Corners,
	Doc4Corners,

	InShadowCorners, // for photos without bg
	InSelectedShadowCorners,

	MessageInCorners, // with shadow
	MessageInSelectedCorners,
	MessageOutCorners,
	MessageOutSelectedCorners,

	RoundCornersCount
};

static const qint32 FileStatusSizeReady = 0x7FFFFFF0;
static const qint32 FileStatusSizeLoaded = 0x7FFFFFF1;
static const qint32 FileStatusSizeFailed = 0x7FFFFFF2;

QString formatSizeText(qint64 size);
QString formatDownloadText(qint64 ready, qint64 total);
QString formatDurationText(qint64 duration);
QString formatDurationWords(qint64 duration);
QString formatDurationAndSizeText(qint64 duration, qint64 size);
QString formatGifAndSizeText(qint64 size);
QString formatPlayedText(qint64 played, qint64 duration);

qint32 documentColorIndex(DocumentData *document, QString &ext);
style::color documentColor(int colorIndex);
style::color documentDarkColor(int colorIndex);
style::color documentOverColor(int colorIndex);
style::color documentSelectedColor(int colorIndex);
RoundCorners documentCorners(int colorIndex);
bool documentIsValidMediaFile(const QString &filepath);
bool documentIsExecutableName(const QString &filename);

class PaintContextBase {
public:
	PaintContextBase(TimeMs ms, bool selecting)
	    : ms(ms)
	    , selecting(selecting) {}
	TimeMs ms;
	bool selecting;
};

class LayoutItemBase : public RuntimeComposer, public ClickHandlerHost {
public:
	LayoutItemBase() {}

	LayoutItemBase(const LayoutItemBase &other) = delete;
	LayoutItemBase &operator=(const LayoutItemBase &other) = delete;

	int maxWidth() const {
		return _maxw;
	}
	int minHeight() const {
		return _minh;
	}
	virtual void initDimensions() = 0;
	virtual int resizeGetHeight(int width) {
		_width = qMin(width, _maxw);
		_height = _minh;
		return _height;
	}

	virtual void getState(ClickHandlerPtr &link, HistoryCursorState &cursor, QPoint point) const {
		link.clear();
		cursor = HistoryDefaultCursorState;
	}
	virtual void getSymbol(quint16 &symbol, bool &after, bool &upon, QPoint point) const { // from text
		upon = hasPoint(point);
		symbol = upon ? 0xFFFF : 0;
		after = false;
	}

	int width() const {
		return _width;
	}
	int height() const {
		return _height;
	}

	bool hasPoint(QPoint point) const {
		return QRect(0, 0, width(), height()).contains(point);
	}

	virtual ~LayoutItemBase() {}

protected:
	int _width = 0;
	int _height = 0;
	int _maxw = 0;
	int _minh = 0;
};