How to use the wikijs.page function in wikijs

}  
                        bot.chat(result);
                        //bot.chat("For more info: http://www.merriam-webster.com/dictionary/" + linkQualifier);
                    }
                    else{
                        bot.chat("No definition found.");
                    }
                });
            }
            else{
                bot.chat("Try .define followed by something to look up.");
            }
            break;
        case ".wiki": //Returns Wikipedia article summary of a given query with .define [givenWord]
            if (qualifier!=""){
                Wiki.page(qualifier, false, function(err, page){
                    page.summary(function(err, summary){
                        if (summary!=undefined){
                            Wiki.page(qualifier, false, function(err, page){
                                page.html(function(err, html){
                                    if (html.indexOf('<ul>')!=-1){
                                        html=html.substring(0, html.indexOf('<ul>'));
                                    }
                                    html=html.replace(/&lt;[^&gt;]+&gt;/g, '');
                                    Wiki.page(qualifier, false, function(err, page){
                                        page.summary(function(err, summary){
                                            if (summary!=undefined){
                                                if (summary=="" || summary.indexOf("This is a redirect")!=-1){
                                                    summary="redirect "+html;
                                                }
                                                if (summary.indexOf('may refer to:')!=-1 || summary.indexOf('can refer to:')!=-1 || summary.indexOf('may also refer to:')!=-1 || summary.indexOf('may refer to the following:')!=-1 || summary.indexOf('may stand for:')!=-1){
                                                    bot.chat("This may refer to several things - please be more specific.");</ul></ul>

}
                                                else if (summary.substring(0,8).toLowerCase()=="redirect"){
                                                    subQuery='';
                                                    if (summary.indexOf('#')==-1){
                                                        if (summary.substring(8,9)==' '){
                                                            var query=summary.substring(9);
                                                        }
                                                        else{
                                                            var query=summary.substring(8);
                                                        }
                                                    }
                                                    else{
                                                        var query=summary.substring(9, summary.indexOf('#'));
                                                        subQuery=summary.substring(summary.indexOf('#')+1);
                                                    }
                                                    Wiki.page(query, false, function(err, page2){
                                                        page2.content(function(err, content){
                                                            if (content!=undefined){
                                                                if (content.indexOf('may refer to:')!=-1 || content.indexOf('can refer to:')!=-1 || content.indexOf('may also refer to:')!=-1 || content.indexOf('may refer to the following:')!=-1 || content.indexOf('may stand for:')!=-1){
                                                                    bot.chat("This may refer to several things - please be more specific.");
                                                                }
                                                                else if (subQuery!=''){
                                                                    content=content.substring(content.indexOf("=== "+subQuery+" ===")+8+subQuery.length);
                                                                    if (content.length>250){
                                                                        content=content.substring(0, 247)+"...";
                                                                    }  
                                                                    bot.chat(content);
                                                                }
                                                                else{
                                                                    if (content.length>250){
                                                                        content=content.substring(0, 247)+"...";
                                                                    }