var cron = require('node-cron');
var mongojs = require('mongojs');
var fbdb = mongojs('facebookdb');
var postsenti = fbdb.collection('postsenti');
var request = require('request');
var ToneAnalyzerV3 = require('watson-developer-cloud/tone-analyzer/v3');
var tone_analyzer = new ToneAnalyzerV3({
    username: "79e7456f-1a77-4b9a-bbcc-242e09461cd7",
    password: "akDWkHEJ4ne4",
    version_date: '2016-05-19',
    headers: {
    'X-Watson-Learning-Opt-Out': 'true'
  }
});

// cron.schedule('*/1 * * * *', function(){
// console.log('running a task every minute');
  var url = 'https://graph.facebook.com/v2.10/143790482303586?fields=id%2Cvisitor_posts.limit(10)%7Bfrom%2Cmessage%2Cpermalink_url%2Ccreated_time%7D&access_token=EAABz99EIvbYBAHUjb1zzKcY5Mnh40uDzmUsuNvyJJJ7VThsc66Dap6uOBi2nzTqcbSH31tdLbLsiZCyfdID5NLtTLKZBdLJKiqQVntHdUBZCUdz2sFlrHZAD0TJRnIMhRg5qVGBZABiZAi748Iwx9nbaGK9R47ZCk10kCbjTrJIiAZDZD';
    request(url,{json: true}, (err, res, body) => {
        if(err){console.log(err);}
        //console.log(body.posts.data);
        var posts = body.visitor_posts.data;
        for(var i in posts){
            if(posts[i].message != null){
                var tone = getSentiment(posts[i].message);
                console.log(tone);
                var newPost = {
                    id              :   posts[i].id,
                    message         :   posts[i].message,
                    messageSentiment:   "this should take json",
                    from_id         :   posts[i].from.id,
                    from_name       :   posts[i].from.name,
                    created_time    :   posts[i].created_time,
                    permalink_url   :   posts[i].permalink_url
                }
                //console.log(newPost);
                postsenti.insert(newPost, function(err,result){
                    if(err){
                    console.log(err);
                    }
                });
            }
        }
    });

    function getSentiment(message){
        tone_analyzer.tone(
            {text: message},
            function(err,tone){
                if(err) console.log(err);
                documentTone = tone.document_tone;
                console.log(message);
                console.log("---------------");
                console.log(documentTone.tone_categories[0].tones);
                return documentTone.tone_categories[0].tones;
            }
        );
    }

// });