var Wordnik = require('wordnik');

var words = function(dbot) {
    this.commands = {
        '~define': function(event) {
            var query = event.params[1];
            this.wn.definitions(encodeURIComponent(query), function(err, defs) {
                if(!err && defs[0]) {
                    event.reply(query + ': ' + defs[0].text);
                } else {
                    event.reply('No definitions found for ' + query);
                }
            });
        },

        '~like': function(event) {
            var query = event.params[1];
            this.wn.word(query, {}, function(err, word) {
                if(!err && word[0]) {
                    word.related({
                        'limit': 10
                    }, function(err, related) {
                        event.reply('Words related to ' + query + ': ' +
                            related[0].words.join(', ') + '.');
                    });
                } else {
                    event.reply('Unknown word.');
                }
            });
            
        },

        '~etymology': function(event) {
            var query = event.params[1];
            this.wn.etymologies(encodeURIComponent(query), {
                'format': 'json' 
            }, function(err, defs) {
                if(!err && defs[0]) {
                    event.reply(query + ' etymology: ' + defs[0]);
                } else {
                    event.reply('No etymology found for ' + query);
                }
            });
        },
        
        '~jimble': function(event) { 
            event.reply(event.params[1].split('').sort(function() { 
                return (Math.round(Math.random()) - 0.5);
            }).join(''));  
        } 
    };
    this.commands['~jimble'].regex = [/^jimble (.+)$/, 2];

    this.onLoad = function() {
        this.wn = new Wordnik({
            'api_key': this.config.api_key
        });
    }.bind(this);
};

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