#include "builder.h"
#include "sendrecieve.h"
#include "widgets/widget.h"
#include "widgets/label.h"
#include "widgets/lineedit.h"
#include "widgets/textedit.h"
#include "widgets/pushbutton.h"
#include "widgets/combobox.h"
#include "widgets/listbox.h"
#include "widgets/frame.h"
#include "widgets/groupbox.h"
#include "widgets/radiobuttons.h"
#include "widgets/radiobutton.h"
#include "widgets/checkbox.h"
#include "widgets/window.h"
#include <QVBoxLayout>
#include <QMessageBox>
#include <QDomDocument>
#include <QDomElement>
#include <QDomNode>
#include <QByteArray>

Builder::Builder(QDomDocument *xml_doc)
  : QObject()
{
  // Assign root element from xml_doc
  this->xml_doc = xml_doc;
  QDomElement xml_elem = xml_doc->documentElement();
    
  // Execute the recursive function with documentElement
  recurser(xml_elem, NULL);
}

Builder::~Builder()
{
}

void Builder::recurser(QDomNode xml_node, QWidget *parent)
{
  QWidget *widget = NULL;
  QDomElement xml_elem = xml_node.toElement();

  if(xml_elem.tagName() == "macro") {
    // Assign the macro name and version to QStrings for use when comitting
    if(xml_elem.hasAttribute("name")) macro = xml_elem.attribute("name");
    if(xml_elem.hasAttribute("version")) version = xml_elem.attribute("version");

  } else if(xml_elem.tagName() == "window") {
    Window *window = new Window(xml_elem);
    widget = window;

  } else if(xml_elem.tagName() == "frame") {
    if(xml_elem.hasAttribute("caption")) {
      GroupBox *frame = new GroupBox(xml_elem);
      widget = frame;
    } else {
      Frame *frame = new Frame(xml_elem);
      widget = frame;
    }

  } else if(xml_elem.tagName() == "label") {
    Label *label = new Label(xml_elem);
    widget = label;

  } else if(xml_elem.tagName() == "lineedit") {
    LineEdit *lineedit = new LineEdit(xml_elem);
    widgets.push_back(lineedit);
    widget = lineedit;

  } else if(xml_elem.tagName() == "button") {
    PushButton *pushbutton = new PushButton(xml_elem);
    //connect(pushbutton, SIGNAL(act_continue()), main, SLOT(get_macro()));
    connect(pushbutton, SIGNAL(act_commit()), this, SLOT(commit()));
    connect(pushbutton, SIGNAL(act_reset()), this, SLOT(reset()));
    connect(pushbutton, SIGNAL(act_cancel()), this, SLOT(cancel()));
    connect(pushbutton, SIGNAL(act_continue()), this, SLOT(cont("fisk")));
    widget = pushbutton;

  } else if(xml_elem.tagName() == "textedit") {
    TextEdit *textedit = new TextEdit(xml_elem);
    widgets.push_back(textedit);
    widget = textedit;

  } else if(xml_elem.tagName() == "checkbox") {
    CheckBox *checkbox = new CheckBox(xml_elem);
    widgets.push_back(checkbox);
    widget = checkbox;

  } else if(xml_elem.tagName() == "radiobuttons") {
    RadioButtons *radiobuttons = new RadioButtons(xml_elem);
    widgets.push_back(radiobuttons);
    widget = radiobuttons;
    //return; // Don't iterate children

  } else if(xml_elem.tagName() == "combobox") {
    ComboBox *combobox = new ComboBox(xml_elem);
    widgets.push_back(combobox);
    widget = combobox;
    //return; // Don't iterate children

  } else if(xml_elem.tagName() == "listbox") {
    ListBox *listbox = new ListBox(xml_elem);
    widgets.push_back(listbox);
    widget = listbox;
    //return; // Don't iterate children
  }

  QDomNodeList children = xml_node.childNodes();

  for (int i=0; i<children.count();i++) {
    QDomNode child = children.at(i);
    recurser(child, widget);
  }

  if(parent != NULL && widget != NULL) parent->layout()->addWidget(widget);
  if(widget != NULL) widget->show();
}

void Builder::commit()
{
  // Check for, and count, errors on all entries before comitting
  int faulty = 0; // 0 initial errors

  QVector< Widget* >::iterator i=widgets.begin();
  while (i != widgets.end()) {
    Widget* w = *i;
    if(!w->isValid()) faulty++; // Regexp check, returns valid if entry passed

    // All selectable entries return "none" if nothing is selected
    if(w->getValue() == "none") faulty++; // Faulty+1 if error detected
    i++;
  }

  // If all entries passed validation, continue commit
  if(faulty == 0) {
    printf("Builder -> committing...\n");
    
    // Build the XML commit
    QString xml_string;
    xml_string.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
    xml_string.append("<pracro version=\"1.0\" cpr=\"1505050505\" user=\"tux\">\n");
    xml_string.append("  <commit macro=\"" + macro + "\" version=\"" + 
		      version + "\">\n");

    // Iterate the different entries, and append their results to the commit string
    QVector< Widget* >::iterator i=widgets.begin();
    while (i != widgets.end()) {
      Widget* w = *i;
      
      xml_string.append("    <field name=\"" + w->getName()
		     + "\" value=\"" + w->getValue() + "\"/>\n");
      i++;
    }
    
    xml_string.append("  </commit>\n");
    xml_string.append("</pracro>\n");
    
    // Print commit to stdout for debug purposes
    printf("%s\n", xml_string.toStdString().c_str());

    // Convert the commit to Utf-8 charset
    QByteArray xml_array = xml_string.toUtf8();
    QDomDocument xml_result;

    // Use setContent of QDomDocument to validate the xml commit
    if (!xml_result.setContent(xml_array)) {
      printf("Parse error: Invalid XML\n");
    }
    
    // Commit the xml data to the server
    SendRecieve macro_commit;
    macro_commit.makeConnection(&xml_result);
    // Recieve answer from server whether successful or not
    QByteArray ba = macro_commit.getResult();
  } else {
    QMessageBox::critical(NULL, "Fejl",
			  "Makroen er ikke udfyldt korrekt, prøv igen.\n"
			  , QMessageBox::Ok);
  }
}

void Builder::reset()
{
int ret = QMessageBox::warning(NULL, "Reset",
                   tr("Du har valgt at nulstille de indtastede data.\n"
                      "Er du sikker?"),
                   QMessageBox::Yes | QMessageBox::Cancel);
  printf("Builder -> resetting...\n");
}

void Builder::cancel()
{
  printf("Builder -> cancelling...\n");
}

void Builder::cont(QString name)
{
  /*
  QVector< Widget* >::iterator i=widgets.begin();
  while (i != widgets.end()) {
    Widget* w = *i;
    
    if(w->getName()
    xml_string.append("    <field name=\"" + w->getName()
		      + "\" value=\"" + w->getValue() + "\"/>\n");
    i++;
  }
  */
  printf("%s : Builder -> continuing...\n", name.toStdString().c_str());
}