// imgchili album downloader
// downloads full images for a given link to working folder
// run like...
// `node script.js http://imgchili.net/album/abc123`

var request=require('request');
var fs=require('fs');

var download = function(uri, filename, callback){
  request.head(uri, function(err, res, body){
    request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
  });
};

var link=process.argv[2];

request(link, function(e,r,b){

    var img_links = b.match(/a\shref\=['"]show(.*?)['"]\</ig);

    img_links.forEach(function(linka){

        linka = linka.replace(/a\shref\=['"](show.*?)['"]\</ig, '$1');
        linka = "http://imgchili.net/"+linka

       request(linka, function(e,r,b){
           var image_link = b.match(/id="show_image.*?\n.*?src="(.*?)"/ig);
           image_link = image_link[0].replace(/id="show_image.*?\n.*?src="(.*?)"/, "$1");

           download(image_link, image_link.slice(image_link.length - 20, image_link.length)+'.jpg', function(){
                console.log(image_link.slice(image_link.length - 20, image_link.length)+'.jpg'+' done.');
           })
       });
    });
});