"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getGoogleFontsUrl = void 0;
/**
 * Generate the Google Fonts URL given the requested weight(s), style(s) and additional variable axes
 */
function getGoogleFontsUrl(fontFamily, axes, display) {
    var _a, _b;
    // Variants are all combinations of weight and style, each variant will result in a separate font file
    const variants = [];
    if (axes.wght) {
        for (const wght of axes.wght) {
            if (!axes.ital) {
                variants.push([['wght', wght], ...((_a = axes.variableAxes) !== null && _a !== void 0 ? _a : [])]);
            }
            else {
                for (const ital of axes.ital) {
                    variants.push([
                        ['ital', ital],
                        ['wght', wght],
                        ...((_b = axes.variableAxes) !== null && _b !== void 0 ? _b : []),
                    ]);
                }
            }
        }
    }
    else if (axes.variableAxes) {
        // Variable fonts might not have a range of weights, just add optional variable axes in that case
        variants.push([...axes.variableAxes]);
    }
    // Google api requires the axes to be sorted, starting with lowercase words
    if (axes.variableAxes) {
        variants.forEach((variant) => {
            variant.sort(([a], [b]) => {
                const aIsLowercase = a.charCodeAt(0) > 96;
                const bIsLowercase = b.charCodeAt(0) > 96;
                if (aIsLowercase && !bIsLowercase)
                    return -1;
                if (bIsLowercase && !aIsLowercase)
                    return 1;
                return a > b ? 1 : -1;
            });
        });
    }
    let url = `https://fonts.googleapis.com/css2?family=${fontFamily.replace(/ /g, '+')}`;
    if (variants.length > 0) {
        url = `${url}:${variants[0].map(([key]) => key).join(',')}@${variants
            .map((variant) => variant.map(([, val]) => val).join(','))
            .sort()
            .join(';')}`;
    }
    url = `${url}&display=${display}`;
    return url;
}
exports.getGoogleFontsUrl = getGoogleFontsUrl;
