const svgns = 'http://www.w3.org/2000/svg';

function createUse(type, id) {
    const c = typeof consts !== 'undefined' ? consts : {};
    const path = c.path || '';
    const ver = c.resver == null ? '' : `?${c.resver}`;
    const use = document.createElementNS(svgns, 'use');
    use.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', `${path}lib/fonts/${type}.svg${ver}#${id}`);
    return use;
}

function createIcon(type, id) {
    const svg = document.createElementNS(svgns, 'svg');
    svg.appendChild(createUse(type, id));
    return svg;
}

function resolveIcon(container) {
    const svgs = container.querySelectorAll('svg[data-id]');
    for (let icon of svgs) {
        const type = icon.getAttribute('data-type');
        const id = icon.getAttribute('data-id');
        icon.replaceChildren(createUse(type, id));
        icon.removeAttribute('data-type');
        icon.removeAttribute('data-id');
    }
    return container;
}

export {
    createIcon,
    resolveIcon
}