/*
 * LCD Image Converter. Converts images and fonts for embedded applications.
 * Copyright (C) 2010 riuson
 * mailto: riuson@gmail.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/
 */

#include "editortabimage.h"

#include "ui_editortabimage.h"

#include <QBuffer>
#include <QDomDocument>
#include <QDomProcessingInstruction>
#include <QFile>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QTextStream>

#include "datacontainer.h"
#include "editor.h"
#include "imagedocument.h"
#include "parser.h"
#include "statusdata.h"
#include "tagslist.h"

namespace AppUI
{
namespace Images
{

EditorTabImage::EditorTabImage(QWidget* parent) : QWidget(parent), ui(new Ui::EditorTabImage)
{
  ui->setupUi(this);

  QHBoxLayout* layout = new QHBoxLayout(this);
  this->setLayout(layout);

  this->mDocument = new Data::Containers::ImageDocument(this);

  this->mEditorObject = new ImageEditor::Editor(this);
  this->mEditorWidget = this->mEditorObject->widget();
  layout->addWidget(this->mEditorWidget);

  this->connect(this->mDocument, SIGNAL(documentChanged()), SLOT(mon_documentChanged()));
  this->connect(this->mEditorObject, SIGNAL(imageChanged(const QImage*)), SLOT(mon_editor_imageChanged(const QImage*)));
  this->connect(this->mEditorObject, SIGNAL(mouseMoved(const QPoint*)), SLOT(mon_editor_mouseMove(const QPoint*)));
  this->connect(this->mEditorObject, SIGNAL(scaleChanged(int)), SLOT(mon_editor_scaleChanged(int)));

  this->initStatusData();

  this->updateSelectedImage();
}

EditorTabImage::~EditorTabImage()
{
  this->mEditorWidget->setParent(nullptr);
  delete ui;
  delete this->mEditorObject;
}

Data::Containers::IDocument* EditorTabImage::document() const
{
  return qobject_cast<Data::Containers::IDocument*>(this->mDocument);
}

QStringList EditorTabImage::selectedKeys() const { return this->mDocument->dataContainer()->keys(); }

AppUI::Status::StatusData* EditorTabImage::statusData() const { return this->mStatusData; }

IEditor::EditorType EditorTabImage::type() const { return EditorImage; }

void EditorTabImage::changeEvent(QEvent* e)
{
  QWidget::changeEvent(e);

  switch (e->type()) {
    case QEvent::LanguageChange:
      ui->retranslateUi(this);
      break;

    default:
      break;
  }
}

void EditorTabImage::initStatusData()
{
  this->mStatusData = new AppUI::Status::StatusData(this);
  this->connect(this->mStatusData, SIGNAL(changed()), SIGNAL(statusChanged()));
  this->updateStatus();
}

void EditorTabImage::updateStatus()
{
  QStringList keys = this->mDocument->dataContainer()->keys();

  if (keys.length() > 0) {
    const QImage* currentImage = this->mDocument->dataContainer()->image(keys.at(0));
    this->mStatusData->setData(AppUI::Status::StatusData::ImageSize, QVariant(currentImage->size()));
  }

  this->mStatusData->setData(AppUI::Status::StatusData::Scale, QVariant(this->mEditorObject->scale()));
}

void EditorTabImage::updateSelectedImage()
{
  QStringList keys = this->mDocument->dataContainer()->keys();

  if (keys.length() > 0) {
    const QImage* image = this->mDocument->dataContainer()->image(keys.at(0));
    this->mEditorObject->setImage(image);
  }

  this->updateStatus();
}

void EditorTabImage::mon_documentChanged()
{
  this->updateSelectedImage();
  emit this->documentChanged();
}

void EditorTabImage::mon_editor_imageChanged(const QImage* value)
{
  QStringList keys = this->mDocument->dataContainer()->keys();
  this->mDocument->dataContainer()->setImage(keys.at(0), value);
}

void EditorTabImage::mon_editor_mouseMove(const QPoint* point)
{
  if (point->x() >= 0 && point->y() >= 0) {
    this->mStatusData->setData(AppUI::Status::StatusData::MouseCoordinates, QVariant(*point));
  } else {
    this->mStatusData->removeData(AppUI::Status::StatusData::MouseCoordinates);
  }
}

void EditorTabImage::mon_editor_scaleChanged(int scale)
{
  this->mStatusData->setData(AppUI::Status::StatusData::Scale, QVariant(scale));
}

} // namespace Images
} // namespace AppUI

/*
 Storage data format:
<?xml version="1.0" encoding="utf-8"?>
<data type="image" name="documentName">
    <picture format="png">
        Base64 string
    </picture>
</data>

<?xml version="1.0" encoding="utf-8"?>
<data type="image" name="Image">
    <converted>/tmp/font.c</converted>
    <picture
format="png">iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAIAAAACUFjqAAAAA3NCSVQICAjb4U/gAAAACXBIWXMAAAsTAAALEwEAmpwYAAAARklEQVQYlYWPSQrAMAwDpZAX5x/Nl6eHgLMQt8IniRGWAeWqkux+zaD5my5B2z0uzHq0XegjW1+ZdLhbB4mkB0iHjY6fYS/sJjZR2Wu+lAAAAABJRU5ErkJggg==</picture>
</data>

 */