#include <QtCore/QCoreApplication>
#include <QFile>
#include <QDomDocument>
#include <QDebug>
#include <QVector>
#include <QTime>

#include <iostream>

struct Property {
    QString retType;
    QString name;
    QString type;
    QString desc;
};

struct Param {
    QString name;
    QString type;
    QString desc;
};

typedef QVector<Param> ParamList;
typedef QVector<ParamList> ParamSetList;

struct Event {
    ParamList params;
    QString wslot;
    QString wsignal;
    QString signal;
    QString desc;
    QString name;
};

struct Method {
    ParamSetList params;
    bool vparamstyle;
    bool ctor;
    QString name;
    QString retType;
    QString desc;
};

struct Class {
    QString type;
    QString name;
    QVector<Property> props;
    QVector<Method> methods;
    QVector<Event> events;
};

int main(int argc, char *argv[])
{
    QTime t;
    t.start();

    Q_UNUSED(argc)
    Q_UNUSED(argv)

    QDomDocument doc;
    QFile loc("/home/kde-devel/kde/src/KDE/kdebase/workspace/kwin/scripting/apidocs.xml");
    QDomElement root;
    QVector<Class> classList;

    loc.open(QIODevice::ReadOnly);

    doc.setContent(&loc);
    root = doc.documentElement();

    QDomNodeList classes = root.elementsByTagName("class");

    for(unsigned int i=0; i<classes.length(); i++) {
        Class temp;
        QDomElement classEle = classes.at(i).toElement();
        temp.name = classEle.attribute("name");
        temp.type = classEle.attribute("type");

        QDomNodeList events = classEle.elementsByTagName("event");

        for(unsigned int j=0; j<events.length(); j++) {
            Event eTemp;
            QDomElement event = events.at(j).toElement();
            eTemp.name = event.attribute("name");
            ParamList params;

            QDomNodeList prms = event.elementsByTagName("param");

            for(unsigned int k=0; k<prms.length(); k++) {
                Param pTemp;
                QDomElement param = prms.at(k).toElement();
                pTemp.name = param.attribute("name");
                pTemp.type = param.attribute("type");
                pTemp.desc = param.text();
                params.push_back(pTemp);
            }

            eTemp.params = params;
            eTemp.wsignal = event.attribute("wsignal", "");
            eTemp.wslot = event.attribute("wslot", "");
            eTemp.signal = event.attribute("signal", "");
            eTemp.desc = event.elementsByTagName("desc").at(0).toElement().text();
            temp.events.push_back(eTemp);
        }

        QDomNodeList methods = classEle.elementsByTagName("method");

        for(unsigned int j=0; j<methods.length(); j++) {
            Method mTemp;
            QDomElement method = methods.at(j).toElement();
            mTemp.name = method.attribute("name");
            mTemp.ctor = false;
            ParamSetList paramsl;

            mTemp.vparamstyle = (method.attribute("vparamstyle", "") == "true");
            mTemp.ctor = (method.attribute("constructor", "") == "true")?(true):(false);

            if(!mTemp.vparamstyle) {
                QDomNodeList prms = method.elementsByTagName("param");
                ParamList params;

                for(unsigned int k=0; k<prms.length(); k++) {
                    Param pTemp;
                    QDomElement param = prms.at(k).toElement();
                    pTemp.name = param.attribute("name");
                    pTemp.type = param.attribute("type");
                    pTemp.desc = param.text();
                    params.push_back(pTemp);
                }

                paramsl.push_back(params);
            } else {
                QDomNodeList pRms = method.elementsByTagName("paramset");

                for(unsigned int k=0; k<pRms.length(); k++) {
                    QDomNodeList prms = pRms.at(k).toElement().elementsByTagName("param");
                    ParamList params;

                    for(unsigned int f = 0; f<prms.length(); f++) {
                        Param pTemp;
                        QDomElement param = prms.at(f).toElement();
                        pTemp.name = param.attribute("name");
                        pTemp.type = param.attribute("type");
                        pTemp.desc = param.text();
                        params.push_back(pTemp);
                    }

                    paramsl.push_back(params);
                }
            }

            mTemp.params = paramsl;
            mTemp.retType = method.elementsByTagName("return").at(0).toElement().attribute("type", "");
            mTemp.desc = method.elementsByTagName("desc").at(0).toElement().text();
            temp.methods.push_back(mTemp);
        }

        QDomNodeList props = classEle.elementsByTagName("property");

        for(unsigned int j=0; j<props.length(); j++) {
            Property prTemp;
            QDomElement prop = props.at(j).toElement();
            prTemp.name = prop.attribute("name");
            prTemp.desc = prop.elementsByTagName("desc").at(0).toElement().text();
            prTemp.retType = prop.elementsByTagName("return").at(0).toElement().attribute("type", "");
            prTemp.type = prop.attribute("type");

            temp.props.push_back(prTemp);
        }

        classList.push_back(temp);
    }

    /* OUTPUT MANUAL */

    std::cout<<"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">"<<std::endl
             <<"<html xmlns=\"http://www.w3.org/1999/xhtml/\" lang=\"en\" xml:lang=\"en\">"<<std::endl
             <<" <head>"<<std::endl
             <<"  <title>KWinScripting :: APIDoX</title>"<<std::endl
             <<"  <link rel=\"stylesheet\" href=\"apistyle.css\" type=\"text/css\" media=\"screen\" />"<<std::endl
             <<" </head>"<<std::endl
             <<std::endl
             <<" <body>"<<std::endl
             <<"  <div id=\"root\">"<<std::endl;

    for(int i=0; i<classList.size(); i++) {
        Class here = classList.at(i);
        std::cout<<"   <div id=\"class_"<<here.name.toStdString()<<"\" class=\"classes\">"<<std::endl
                 <<"    <h2>"<<here.name.toStdString()<<"<sup>[<em>"<<here.type.toStdString()<<"</em>]</sup></h2>"<<std::endl;

        if(here.events.size() != 0) {
            std::cout<<"    <div id=\"events_"<<here.name.toStdString()<<"\" class=\"events\">"<<std::endl
                     <<"     <h3>Events</h3>"<<std::endl;

            for(int j=0; j<here.events.size(); j++) {
                std::cout<<"     <div class=\"event\">"<<std::endl
                         <<"      <h4>"<<here.name.toStdString()<<"."<<here.events.at(j).name.toStdString()<<"</h4>"<<std::endl
                         <<"      <p class=\"desc\">"<<here.events.at(j).desc.toStdString()<<"</p>"<<std::endl;
            
            
                ParamList p = here.events.at(j).params;
            
                if(p.size() > 0) {
                    std::cout<<"      <ul>"<<std::endl;
                
                    for(int k=0; k<p.size(); k++) {
                        std::cout<<"       <li><strong>"<<p.at(k).name.toStdString()<<" {"<<p.at(k).type.toStdString()<<"}</strong>: "<<p.at(k).desc.toStdString()<<"</li>"<<std::endl;
                    }

                    std::cout<<"      </ul>"<<std::endl;
                }

                std::cout<<"     </div>"<<std::endl;
            }

            std::cout<<"   </div>"<<std::endl;
        }

        if(here.methods.size() != 0) {
            std::cout<<"    <div id=\"method_"<<here.name.toStdString()<<"\" class=\"methods\">"<<std::endl
                     <<"     <h3>Methods</h3>"<<std::endl;

            for(int j=0; j<here.methods.size(); j++) {
                std::cout<<"     <div class=\"method\">"<<std::endl
                         <<"      <h4>"<<here.name.toStdString()<<"."<<here.methods.at(j).name.toStdString();

                if(here.methods.at(j).retType != "") {
                    std::cout<<"[ret: "<<here.methods.at(j).retType.toStdString()<<"] ";
                }

                if(here.methods.at(j).ctor) {
                    std::cout<<"<sup>[constructor]</sup>";
                }

                if(here.methods.at(j).vparamstyle) {
                    std::cout<<"<sup>[variable parameter styles]</sup>";
                }

                std::cout<<"</h4>"<<std::endl;

                ParamSetList pslist = here.methods.at(j).params;

                std::cout<<"      <ul>"<<std::endl;

                if(pslist.size() == 0) {
                    std::cout<<"       <li>"<<here.name.toStdString()<<"."<<here.methods.at(j).name.toStdString()<<"()</li>"<<std::endl;
                } else {
                    for(int m=0; m<pslist.size(); m++) {
                        ParamList plist = pslist.at(m);
                        std::cout<<"       <li>"<<here.name.toStdString()<<"."<<here.methods.at(j).name.toStdString()<<"(";

                        for(int f=0; f<plist.size(); f++) {
                            std::cout<<plist.at(f).name.toStdString()<<" {"<<plist.at(f).type.toStdString()<<"}";

                            if(f != plist.size()-1) {
                                std::cout<<", ";
                            }
                        }

                        std::cout<<")</li>"<<std::endl;
                    }
                }

                std::cout<<"      </ul>"<<std::endl;
                std::cout<<"      <p class=\"desc\">"<<here.methods.at(j).desc.toStdString()<<"</p>"<<std::endl;

                if(pslist.size() != 0) {
                    for(int m=0; m<pslist.size(); m++) {
                        ParamList plist = pslist.at(m);

                        if(plist.size() == 0) {
                            continue;
                        }

                        std::cout<<"       <p class=\"footdocs\">"<<here.methods.at(j).name.toStdString()<<"(";

                        for(int f=0; f<plist.size(); f++) {
                            std::cout<<plist.at(f).name.toStdString()<<" {"<<plist.at(f).type.toStdString()<<"}";

                            if(f != plist.size()-1) {
                                std::cout<<", ";
                            }
                        }

                        std::cout<<")<br />"<<std::endl;
                        std::cout<<"        <ul>"<<std::endl;

                        for(int f=0; f<plist.size(); f++) {
                            std::cout<<"         <li><strong>"<<plist.at(f).name.toStdString()<<" {"<<plist.at(f).type.toStdString()<<"}</strong>: "<<plist.at(f).desc.toStdString()<<"</li>"<<std::endl;
                        }

                        std::cout<<"        </ul>"<<std::endl;
                        std::cout<<"       </p>"<<std::endl;
                    }
                }

                std::cout<<"     </div>"<<std::endl;
            }

            std::cout<<"   </div>"<<std::endl;
        }

        if(here.props.size() != 0) {
            std::cout<<"    <div id=\"props_"<<here.name.toStdString()<<"\" class=\"props\">"<<std::endl
                     <<"     <h3>Properties</h3>"<<std::endl;

            for(int j=0; j<here.props.size(); j++) {
                std::cout<<"     <div class=\"prop\">"<<std::endl
                         <<"      <h4>"<<here.name.toStdString()<<"."<<here.props.at(j).name.toStdString()<<" [ret: "<<here.props.at(j).retType.toStdString()
                         <<"] <sup>["<<here.props.at(j).type.toStdString()<<"]</sup></h4>"<<std::endl
                         <<"      <p class=\"desc\">"<<here.props.at(j).desc.toStdString()<<"</p>"<<std::endl;

                std::cout<<"     </div>"<<std::endl;
            }

            std::cout<<"   </div>"<<std::endl;
        }

        std::cout<<"   </div>"<<std::endl;
    }

    std::cout<<"  </div>"<<std::endl
             <<" </body>"<<std::endl
             <<"</html>";

    return 0;
}