var path = require('path')
const {exec} = require('child_process');
var axios = require('axios');
var listingUrl = process.argv[2];
axios.get(listingUrl)
        .then(function (response)
        {
            var sites = JSON.parse(data);
            (async () => {
                const resizedImagePromises = sites.map(async site => {
                    const screenshot = await getScreenshotFromUrl(site);
                    const resizedScreenshot = await resizeScreenshot(site.outputImage);

                    return resizedScreenshot;
                });

                const resizedImages = await Promise.all(resizedImagePromises);

            })();
        })
        .catch(function (error)
        {
            console.log(error);
        });

function getScreenshotFromUrl(site)
{
    const browser = await puppeteer.launch();
    const page = await browser.newPage();
    await page.goto(site.siteUrl);
    await page.setViewport({width: 1520, height: 1080});
    await page.screenshot({path: site.outputImage});
    await browser.close();
}

function resizeScreenshot(outputImage)
{
    exec(`convert ${outputImage} -resize 200x200 ${outputImage}`, (err, stdout, stderr) => {
        if (err)
        {
            console.log(`error on convert ${outputImage}`);
            return;
        }
    });
}