ws4kp/server/scripts/modules/icons.js

/* spell-checker: disable */
// eslint-disable-next-line no-unused-vars
const icons = (() => {
	const getWeatherRegionalIconFromIconLink = (link, _isNightTime) => {
		// extract day or night if not provided
		const isNightTime = _isNightTime ?? link.indexOf('/night/') >= 0;
		// internal function to add path to returned icon
		const addPath = (icon) => `images/r/${icon}`;

		// grab everything after the last slash ending at any of these: ?&,
		const afterLastSlash = link.toLowerCase().match(/[^/]+$/)[0];
		let conditionName = afterLastSlash.match(/(.*?)[,?&.]/)[1];
		// using probability as a crude heavy/light indication where possible
		const value = +(link.match(/,(\d{2,3})/) ?? [0, 100])[1];

		// if a 'DualImage' is captured, adjust to just the j parameter
		if (conditionName === 'dualimage') {
			const match = link.match(/&j=(.*)&/);
			[, conditionName] = match;
		}

		// find the icon
		switch (conditionName + (isNightTime ? '-n' : '')) {
		case 'skc':
		case 'hot':
		case 'haze':
			return addPath('Sunny.gif');

		case 'skc-n':
		case 'nskc':
		case 'nskc-n':
			return addPath('Clear-1992.gif');

		case 'bkn':
			return addPath('Mostly-Cloudy-1994-2.gif');

		case 'bkn-n':
		case 'few-n':
		case 'nfew-n':
		case 'nfew':
			return addPath('Partly-Clear-1994-2.gif');

		case 'sct':
		case 'few':
			return addPath('Partly-Cloudy.gif');

		case 'sct-n':
		case 'nsct':
		case 'nsct-n':
			return addPath('Mostly-Clear.gif');

		case 'ovc':
		case 'ovc-n':
			return addPath('Cloudy.gif');

		case 'fog':
		case 'fog-n':
			return addPath('Fog.gif');

		case 'rain_sleet':
			return addPath('Sleet.gif');

		case 'rain_showers':
		case 'rain_showers_high':
			return addPath('Scattered-Showers-1994-2.gif');

		case 'rain_showers-n':
		case 'rain_showers_high-n':
			return addPath('Scattered-Showers-Night-1994-2.gif');

		case 'rain':
		case 'rain-n':
			return addPath('Rain-1992.gif');

			// case 'snow':
			// 	return addPath('Light-Snow.gif');
			// 	break;

			// case 'cc_snowshowers.gif':
			// 	//case "heavy-snow.gif":
			// 	return addPath('AM-Snow-1994.gif');
			// 	break;

		case 'snow':
		case 'snow-n':
			if (value > 50)	return addPath('Heavy-Snow-1994-2.gif');
			return addPath('Light-Snow.gif');

		case 'rain_snow':
			return addPath('Rain-Snow-1992.gif');

		case 'snow_fzra':
		case 'snow_fzra-n':
			return addPath('Freezing-Rain-Snow-1992.gif');

		case 'fzra':
		case 'fzra-n':
			return addPath('Freezing-Rain-1992.gif');

		case 'snow_sleet':
		case 'snow_sleet-n':
			return addPath('Snow and Sleet.gif');

		case 'sleet':
		case 'sleet-n':
			return addPath('Sleet.gif');

		case 'tsra_sct':
		case 'tsra':
			return addPath('Scattered-Tstorms-1994-2.gif');

		case 'tsra_sct-n':
		case 'tsra-n':
			return addPath('Scattered-Tstorms-Night-1994-2.gif');

		case 'tsra_hi':
		case 'tsra_hi-n':
		case 'hurricane':
		case 'tropical_storm':
			return addPath('Thunderstorm.gif');

		case 'wind_few':
		case 'wind_sct':
		case 'wind_bkn':
		case 'wind_ovc':
			return addPath('Wind.gif');

		case 'wind_skc':
			return addPath('Sunny-Wind-1994.gif');

		case 'wind_skc-n':
		case 'wind_sct-n':
			return addPath('Clear-Wind-1994.gif');

		case 'blizzard':
			return addPath('Blowing Snow.gif');

		default:
			console.log(`Unable to locate regional icon for ${conditionName} ${link} ${isNightTime}`);
			return false;
		}
	};

	const getWeatherIconFromIconLink = (link, _isNightTime) => {
		// internal function to add path to returned icon
		const addPath = (icon) => `images/${icon}`;
		// extract day or night if not provided
		const isNightTime = _isNightTime ?? link.indexOf('/night/') >= 0;

		// grab everything after the last slash ending at any of these: ?&,
		const afterLastSlash = link.toLowerCase().match(/[^/]+$/)[0];
		let conditionName = afterLastSlash.match(/(.*?)[,?&.]/)[1];
		// using probability as a crude heavy/light indication where possible
		const value = +(link.match(/,(\d{2,3})/) ?? [0, 100])[1];

		// if a 'DualImage' is captured, adjust to just the j parameter
		if (conditionName === 'dualimage') {
			const match = link.match(/&j=(.*)&/);
			[, conditionName] = match;
		}

		// find the icon
		switch (conditionName + (isNightTime ? '-n' : '')) {
		case 'skc':
		case 'hot':
		case 'haze':
			return addPath('CC_Clear1.gif');

		case 'skc-n':
		case 'nskc':
		case 'nskc-n':
			return addPath('CC_Clear0.gif');

		case 'sct':
		case 'few':
		case 'bkn':
			return addPath('CC_PartlyCloudy1.gif');

		case 'bkn-n':
		case 'few-n':
		case 'nfew-n':
		case 'nfew':
		case 'sct-n':
		case 'nsct':
		case 'nsct-n':
			return addPath('CC_PartlyCloudy0.gif');

		case 'ovc':
		case 'novc':
		case 'ovc-n':
			return addPath('CC_Cloudy.gif');

		case 'fog':
		case 'fog-n':
			return addPath('CC_Fog.gif');

		case 'rain_sleet':
			return addPath('Sleet.gif');

		case 'rain_showers':
		case 'rain_showers_high':
			return addPath('CC_Showers.gif');

		case 'rain_showers-n':
		case 'rain_showers_high-n':
			return addPath('CC_Showers.gif');

		case 'rain':
		case 'rain-n':
			return addPath('CC_Rain.gif');

			// case 'snow':
			// 	return addPath('Light-Snow.gif');
			// 	break;

			// case 'cc_snowshowers.gif':
			// 	//case "heavy-snow.gif":
			// 	return addPath('AM-Snow-1994.gif');
			// 	break;

		case 'snow':
		case 'snow-n':
			if (value > 50)	return addPath('CC_Snow.gif');
			return addPath('CC_SnowShowers.gif');

		case 'rain_snow':
			return addPath('CC_RainSnow.gif');

		case 'snow_fzra':
		case 'snow_fzra-n':
		case 'fzra':
		case 'fzra-n':
			return addPath('CC_FreezingRain.gif');

		case 'snow_sleet':
			return addPath('Snow-Sleet.gif');

		case 'tsra_sct':
		case 'tsra':
			return addPath('EF_ScatTstorms.gif');

		case 'tsra_sct-n':
		case 'tsra-n':
			return addPath('CC_TStorm.gif');

		case 'tsra_hi':
		case 'tsra_hi-n':
		case 'hurricane':
		case 'tropical_storm':
			return addPath('CC_TStorm.gif');

		case 'wind_few':
		case 'wind_sct':
		case 'wind_bkn':
		case 'wind_ovc':
			return addPath('CC_Windy.gif');

		case 'wind_skc':
		case 'wind_skc-n':
		case 'wind_sct-n':
			return addPath('CC_Windy.gif');

		case 'blizzard':
			return addPath('Blowing-Snow.gif');

		default:
			console.log(`Unable to locate icon for ${conditionName} ${link} ${isNightTime}`);
			return false;
		}
	};

	const getHourlyIcon = (skyCover, weather, iceAccumulation, probabilityOfPrecipitation, snowfallAmount, windSpeed, isNight = false) => {
		// internal function to add path to returned icon
		const addPath = (icon) => `images/r/${icon}`;

		// possible phenomenon
		let thunder = false;
		let snow = false;
		let ice = false;
		let fog = false;
		let wind = false;

		// test the phenomenon for various value if it is provided.
		weather.forEach((phenomenon) => {
			if (!phenomenon.weather) return;
			if (phenomenon.weather.toLowerCase().includes('thunder')) thunder = true;
			if (phenomenon.weather.toLowerCase().includes('snow')) snow = true;
			if (phenomenon.weather.toLowerCase().includes('ice')) ice = true;
			if (phenomenon.weather.toLowerCase().includes('fog')) fog = true;
			if (phenomenon.weather.toLowerCase().includes('wind')) wind = true;
		});

		// first item in list is highest priority, units are metric where applicable
		if (iceAccumulation > 0 || ice) return addPath('Freezing-Rain-1992.gif');
		if (snowfallAmount > 10) {
			if (windSpeed > 30 || wind) return addPath('Blowing Snow.gif');
			return addPath('Heavy-Snow-1994.gif');
		}
		if ((snowfallAmount > 0 || snow) && thunder) return addPath('ThunderSnow.gif');
		if (snowfallAmount > 0 || snow) return addPath('Light-Snow.gif');
		if (thunder) return (addPath('Thunderstorm.gif'));
		if (probabilityOfPrecipitation > 70) return addPath('Rain-1992.gif');
		if (probabilityOfPrecipitation > 50) return addPath('Shower.gif');
		if (probabilityOfPrecipitation > 30) {
			if (!isNight) return addPath('Scattered-Showers-1994.gif');
			return addPath('Scattered-Showers-Night.gif');
		}
		if (fog) return addPath('Fog.gif');
		if (skyCover > 70) return addPath('Cloudy.gif');
		if (skyCover > 50) {
			if (!isNight) return addPath('Mostly-Cloudy-1994.gif');
			return addPath('Partly-Clear-1994.gif');
		}
		if (skyCover > 30) {
			if (!isNight) return addPath('Partly-Cloudy.gif');
			return addPath('Mostly-Clear.gif');
		}
		if (isNight) return addPath('Clear-1992.gif');
		return addPath('Sunny.gif');
	};

	return {
		getWeatherIconFromIconLink,
		getWeatherRegionalIconFromIconLink,
		getHourlyIcon,
	};
})();