/**
 * Module Name: wolframalpha
 * Description: Calculates all kinds of stuff through Wolfram Alpha.
 * Requires: node-wolfram [https://github.com/strax/node-wolfram]
 */

var _ = require('underscore')._,
    Client = require('node-wolfram');

var wolframalpha = function(dbot) {
    this.commands = {
        '~calculate': function(event) {
            var wolfram = new Client(this.config.api_key),
                query = event.params[1];
            wolfram.query(query, function(err, result) {
                if(err) {
                    event.reply(dbot.t('wolf_error'));
                    console.log(err);
                } else {
                    var out = "";
                    for(var a=0; a<result.queryresult.pod.length; a++) {
                        var pod = result.queryresult.pod[a];
                        out += pod.$.title;
                        out +=": ";
                        for(var b=0; b<pod.subpod.length; b++) {
                            var subpod = pod.subpod[b];
                            for(var c=0; c<subpod.plaintext.length; c++) {
                                var text = subpod.plaintext[c];
                                console.log('\t', text);
                                out += text;
                                out += " ; ";
                            }
                        }
                    }
                    event.reply(dbot.t('wolf_result',{'output':out}));
                }
            });
        }
    };
};

exports.fetch = function(dbot) {
    return new wolframalpha(dbot);
};