/**
 * Module dependencies.
 */
var express = require('express')
, $ = require('jquery')
, http = require('http')
, xml2js = require('xml2js')
, app = module.exports = express();


var port = process.env.PORT || 8888;

var parser = new xml2js.Parser();

app.use("/css", express.static(__dirname + '/css'));
app.use("/", express.static(__dirname + '/public'));
app.use("/js", express.static(__dirname + '/js'));
app.use("/img", express.static(__dirname + '/img'));

app.get('/', function(req,res){
    res.sendfile("public/index.html");
}); 

app.get('/search', function(req, resp){
     var options = {
        host: 'www.goear.com',
        port: 80,
        path: '/search/'+encodeURIComponent(req.query['id'].replace(/\s/g , "-"))+'/'+encodeURIComponent(req.query['p'])
    };
    console.log("Query:"+req.query['id']);
    console.log("Querying:"+options.path);

    var results = [];
    var html = '';
    http.get(options, function(res) {
        res.on('data', function(data) {
            // collect the data chunks to the variable named "html"
            html += data;
        }).on('end', function() {
            // the whole of webpage data has been collected. parsing time!
            resultsol = $(html).find('ol#results');
            $(resultsol).find('li').each(function(i,elem){
                var a=$(elem).find('a');
                var id=a.attr('href').split('/')[1];
                var title = a.find('span.songtitleinfo').text();
                var group = a.find('span.groupnameinfo').text();
                var quality = $(elem).find('p.comment').text().split('|')[0];
                if(typeof title != 'undefined' && typeof group != 'undefined' ){
                    results.push({id:id,title:title,group:group,quality:quality})
                }
            });
            console.log("Results:"+JSON.stringify(results));
            resp.send(JSON.stringify(results));
        });
    });
});

app.get('/play', function(req,resp){
    var id = req.query['id'];
    
    var options = {
        host: 'www.goear.com',
        port: 80,
        path: '/tracker758.php?f='+encodeURIComponent(req.query['id'])
    };

    var xml = '';
    http.get(options, function(res) {
        res.setEncoding('utf8');
        res.on('data', function(data) {
            xml += data;
        }).on('end', function() {
            // the whole of webpage data has been collected. parsing time!
            parser.parseString(xml, function(err,result){
                console.log("xml: "+xml);
                console.log("Object: "+JSON.stringify(result));
                try{
                    var song = result['songs']['song'][0]["$"];
                    console.log("Song:"+JSON.stringify(song)); 
                    var path = song['path'];
                    var title = song['title'];
                    var artist = song['artist'];
                    console.log(title + " - " +artist+" - "+path);
                    resp.writeHead(302, {
                      'Location': path
                      //add other headers here...
                    });
                }
                catch(exception){
                    console.log(exception);
                }
                resp.end();
            });
        });
    });
});

app.listen(port);