declare const window: any;
declare const document: any;

const getHref = (editor: any): string => {
    const elm = editor.selection.getNode();
    for (const item of elm.children) {
        if (item.hasAttribute('href')) {
            const href = item.getAttribute('href');
            return href;
        }
    }
    return '#';
};

const appendClickRemove = (link, evt) => {
    document.body.appendChild(link);
    link.dispatchEvent(evt);
    document.body.removeChild(link);
};

const openUri = (url: string) => {
    const link = document.createElement('a');
    link.target = '_blank';
    link.href = url;
    link.rel = 'noreferrer noopener';
    const evt = document.createEvent('MouseEvents');
    evt.initMouseEvent(
        'click',
        true,
        true,
        window,
        0,
        0,
        0,
        0,
        0,
        false,
        false,
        false,
        false,
        0,
        null,
    );
    appendClickRemove(link, evt);
};

const download = (editor: any) => {
    const url = getHref(editor);
    openUri(url);
};

export { download };