/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.

For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "history/history_location_manager.h"

#include "mainwidget.h"
#include "lang/lang_keys.h"
#include "ui/image/image.h"
#include "data/data_file_origin.h"
#include "platform/platform_specific.h"

namespace {

constexpr auto kCoordPrecision = 8;
constexpr auto kMaxHttpRedirects = 5;

GeoPointLocation ComputeLocation(const LocationCoords &coords) {
	const auto scale = 1 + (cScale() * cIntRetinaFactor()) / 200;
	const auto zoom = 13 + (scale - 1);
	const auto w = st::locationSize.width() / scale;
	const auto h = st::locationSize.height() / scale;

	auto result = GeoPointLocation();
	result.lat = coords.lat();
	result.lon = coords.lon();
	result.access = coords.accessHash();
	result.width = w;
	result.height = h;
	result.zoom = zoom;
	result.scale = scale;
	return result;
}

} // namespace

QString LocationClickHandler::copyToClipboardText() const {
	return _text;
}

QString LocationClickHandler::copyToClipboardContextItemText() const {
	return lang(lng_context_copy_link);
}

void LocationClickHandler::onClick(ClickContext context) const {
	if (!psLaunchMaps(_coords)) {
		QDesktopServices::openUrl(_text);
	}
}

void LocationClickHandler::setup() {
	_text = Url(_coords);
}

QString LocationClickHandler::Url(const LocationCoords &coords) {
	const auto latlon = coords.latAsString() + ',' + coords.lonAsString();
	return qsl("https://maps.google.com/maps?q=") + latlon + qsl("&ll=") + latlon + qsl("&z=16");
}

LocationData::LocationData(const LocationCoords &coords)
: coords(coords)
, thumb(Images::Create(ComputeLocation(coords))) {
}

void LocationData::load(Data::FileOrigin origin) {
	thumb->load(origin);
}