#! /usr/bin/env node
const fs = require('fs');
const axios = require('axios');
const captureWebsite = require('capture-website');
const mustache = require("mustache");

console.log('downloading tilde.town homepage...');

axios.get('http://tilde.town/').then(function (response) {
    if (response.status != 200) {
        console.log('Chyba!');
        return 0;
    }


    let userRegex = /<a href="\/~(\w+)">[\w]+<\/a>/g;
    var users = Array.from(response.data.matchAll(userRegex), function (result) {
        return result[1];
    });

    // 150 last active users
    users = users.slice(0,150);

    console.log('writing index.html...');

    var datum = new Date();

    fs.writeFileSync('index.html', mustache.render(fs.readFileSync('index.tpl.html').toString(), {
        users: users,
        date: datum
    }));

    console.log(users.length  + ' users at all');
    console.log('');
    console.log('now let\'s download them:');

    let offset = 0;
    users.map(user => {
        setTimeout(() => {
            (async () => {
                console.log('downloading ' + user + '...');
                await captureWebsite.file('http://tilde.town/~'+user+'/', user+'.png', {
                    scaleFactor: 0.5,
                    overwrite: true,
                    timeout: 5
                });
            })();
        }, 10000 + offset);
        offset += 10000;
    });

    //console.log('ALL OK');
});

// captureWebsite.file('https://sindresorhus.com', 'screenshot.png', {});

// console.log("OK")