'use strict';

const UrlPattern = require('url-pattern');

const hosts = [{
    method: 'self',
    label: 'self',
    pattern: new UrlPattern('http(s)\\://(www.)reddit.com/r/:subreddit/comments/:id/:uri/'),
}, {
    method: 'redditImage',
    label: 'reddit',
    pattern: new UrlPattern('http(s)\\://i.redd.it/:id.:ext(?*)'),
}, {
    method: 'redditImage',
    label: 'reddit',
    pattern: new UrlPattern('http(s)\\://i.reddituploads.com/:id(?*)'),
}, {
    method: 'redditVideo',
    label: 'reddit',
    pattern: new UrlPattern('http(s)\\://v.redd.it/:id(?*)'),
}, {
    method: 'imgurImage',
    label: 'imgur',
    pattern: new UrlPattern('http(s)\\://(:subdomain.)imgur.com/(:id_d)(:id)(.:ext)(?*)'),
}, {
    method: 'imgurAlbum',
    label: 'imgur',
    pattern: new UrlPattern('http(s)\\://(:subdomain.)imgur.com/:type/:id(#:focus)(?*)'),
}, {
    method: 'vidbleImage',
    label: 'vidble',
    pattern: new UrlPattern('http(s)\\://(www.)vidble.com/(show/):id(.:ext)(?*)'),
}, {
    method: 'vidbleVideo',
    label: 'vidble',
    pattern: new UrlPattern('http(s)\\://(www.)vidble.com/watch?v=:id(?*)'),
}, {
    method: 'vidbleAlbum',
    label: 'vidble',
    pattern: new UrlPattern('http(s)\\://(www.)vidble.com/album/:id(?*)'),
}, {
    method: 'gfycat',
    label: 'gfycat',
    pattern: new UrlPattern('http(s)\\://(:server.)gfycat.com/(gifs/detail/)(:id-mobile)(:id-size_restricted)(:id)(.:ext)(?*)'),
}, {
    method: 'erome',
    label: 'erome',
    pattern: new UrlPattern('http(s)\\://(www.)erome.com/a/:id(?*)'),
}, {
    method: 'eroshareAlbum',
    label: 'eroshare',
    pattern: new UrlPattern('http(s)\\://eroshare.com/:id(#)(:query)'),
}, {
    method: 'eroshareItem',
    label: 'eroshare',
    pattern: new UrlPattern('http(s)\\://eroshare.com/i/:id(#)(:query)'),
}, {
    method: 'pornhub',
    label: 'pornhub',
    pattern: new UrlPattern('http(s)\\://(www.)pornhub.com/view_video.php?viewkey=(:id)(?*)'),
}];

module.exports = function dissectLink(url) {
    return hosts.reduce((acc, host) => {
        if (acc) {
            return acc;
        }

        const match = host.pattern.match(url.replace(/(https?:\/\/)|(\/)+/g, '$1$2')); // remove double slashes

        if (match) {
            return Object.assign(match, {
                url,
                method: host.method,
                label: host.label,
            });
        }

        return null;
    }, null);
};