import qs, { ParsedQuery } from 'query-string';

import { IMGIX_SOURCE } from 'meta-data';

const parseQueryString = (search: string): ParsedQuery => {
    return qs.parse(search);
};

const getImgix = (url: string, squareDimensions?: number): string =>
    `${IMGIX_SOURCE}${url}${squareDimensions ? `?fit=crop&w=${squareDimensions}&h=${squareDimensions}` : ``}`;

const getCurrentPath = (window: Window): string => window.location.pathname.split('/')[1];

const isActivePath = (window: Window, slug: string) => {
    const path = getCurrentPath(window);
    return hasLeadingSlash(slug) ? (
        path === slug.substring(1, slug.length)
    ) : (slug === 'index' ? path === '' : path === slug);
};

const hasLeadingSlash = (slug: string) => slug.charAt(0) === '/';

export {
    parseQueryString,
    getImgix,
    isActivePath
};