'use strict';

const memoizee = require("memoizee");

const setTextStyles = require("./set-text-styles");
//const measureFont = memoizee(require("./measure-font"));
const measureFont = memoizee(require("measure-font"));

module.exports = function measureText(text, options) {
	let offscreenCanvas = document.createElement("canvas");
	let context = offscreenCanvas.getContext("2d");

	setTextStyles(context, options);

	let fontMeasurements = measureFont(options.fontFamily, {fontSize: 40});

	return Object.assign(context.measureText(text), {
		height: options.fontSize * (fontMeasurements.descender - fontMeasurements.topBounding),
		ascender: options.fontSize * fontMeasurements.ascender,
		descender: options.fontSize * fontMeasurements.descender,
		capHeight: options.fontSize * fontMeasurements.capHeight,
		median: options.fontSize * fontMeasurements.median,
		topBounding: options.fontSize * fontMeasurements.topBounding,
	});
}