/*
 * LibrePCB - Professional EDA for everyone!
 * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
 * https://librepcb.org/
 *
 * 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/>.
 */

/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "symbol.h"

#include "../../serialization/fileformatmigration.h"
#include "symbolcheck.h"

#include <QtCore>

/*******************************************************************************
 *  Namespace
 ******************************************************************************/
namespace librepcb {

/*******************************************************************************
 *  Constructors / Destructor
 ******************************************************************************/

Symbol::Symbol(const Uuid& uuid, const Version& version, const QString& author,
               const ElementName& name_en_US, const QString& description_en_US,
               const QString& keywords_en_US)
  : LibraryElement(getShortElementName(), getLongElementName(), uuid, version,
                   author, name_en_US, description_en_US, keywords_en_US),
    onEdited(*this),
    mGridInterval(2540000),
    mPins(),
    mPolygons(),
    mCircles(),
    mTexts(),
    mImages(),
    mPinsEditedSlot(*this, &Symbol::pinsEdited),
    mPolygonsEditedSlot(*this, &Symbol::polygonsEdited),
    mCirclesEditedSlot(*this, &Symbol::circlesEdited),
    mTextsEditedSlot(*this, &Symbol::textsEdited),
    mImagesEditedSlot(*this, &Symbol::imagesEdited) {
  mPins.onEdited.attach(mPinsEditedSlot);
  mPolygons.onEdited.attach(mPolygonsEditedSlot);
  mCircles.onEdited.attach(mCirclesEditedSlot);
  mTexts.onEdited.attach(mTextsEditedSlot);
  mImages.onEdited.attach(mImagesEditedSlot);
}

Symbol::Symbol(std::unique_ptr<TransactionalDirectory> directory,
               const SExpression& root)
  : LibraryElement(getShortElementName(), getLongElementName(), true,
                   std::move(directory), root),
    onEdited(*this),
    mGridInterval(
        deserialize<PositiveLength>(root.getChild("grid_interval/@0"))),
    mPins(root),
    mPolygons(root),
    mCircles(root),
    mTexts(root),
    mImages(root),
    mPinsEditedSlot(*this, &Symbol::pinsEdited),
    mPolygonsEditedSlot(*this, &Symbol::polygonsEdited),
    mCirclesEditedSlot(*this, &Symbol::circlesEdited),
    mTextsEditedSlot(*this, &Symbol::textsEdited),
    mImagesEditedSlot(*this, &Symbol::imagesEdited) {
  mPins.onEdited.attach(mPinsEditedSlot);
  mPolygons.onEdited.attach(mPolygonsEditedSlot);
  mCircles.onEdited.attach(mCirclesEditedSlot);
  mTexts.onEdited.attach(mTextsEditedSlot);
  mImages.onEdited.attach(mImagesEditedSlot);
}

Symbol::~Symbol() noexcept {
}

/*******************************************************************************
 *  General Methods
 ******************************************************************************/

bool Symbol::isEmpty() const noexcept {
  return mPins.isEmpty() && mPolygons.isEmpty() && mCircles.isEmpty() &&
      mTexts.isEmpty() && mImages.isEmpty();
}

RuleCheckMessageList Symbol::runChecks() const {
  SymbolCheck check(*this);
  return check.runChecks();  // can throw
}

std::unique_ptr<Symbol> Symbol::open(
    std::unique_ptr<TransactionalDirectory> directory,
    bool abortBeforeMigration) {
  Q_ASSERT(directory);

  // Upgrade file format, if needed.
  const Version fileFormat =
      readFileFormat(*directory, ".librepcb-" % getShortElementName());
  const auto migrations = FileFormatMigration::getMigrations(fileFormat);
  if (abortBeforeMigration && (!migrations.isEmpty())) {
    return nullptr;
  }
  for (auto migration : migrations) {
    migration->upgradeSymbol(*directory);
  }

  // Load element.
  const QString fileName = getLongElementName() % ".lp";
  const std::unique_ptr<const SExpression> root = SExpression::parse(
      directory->read(fileName), directory->getAbsPath(fileName));
  std::unique_ptr<Symbol> obj(new Symbol(std::move(directory), *root));
  if (!migrations.isEmpty()) {
    obj->removeObsoleteMessageApprovals();
    obj->save();  // Format all files correctly as the migration doesn't!
  }
  return obj;
}

/*******************************************************************************
 *  Protected Methods
 ******************************************************************************/

void Symbol::serialize(SExpression& root) const {
  LibraryElement::serialize(root);
  root.ensureLineBreak();
  root.appendChild("grid_interval", mGridInterval);
  root.ensureLineBreak();
  mPins.serialize(root);
  root.ensureLineBreak();
  mPolygons.serialize(root);
  root.ensureLineBreak();
  mCircles.serialize(root);
  root.ensureLineBreak();
  mTexts.serialize(root);
  root.ensureLineBreak();
  mImages.serialize(root);
  root.ensureLineBreak();
  serializeMessageApprovals(root);
  root.ensureLineBreak();
}

/*******************************************************************************
 *  Private Methods
 ******************************************************************************/

void Symbol::pinsEdited(const SymbolPinList& list, int index,
                        const std::shared_ptr<const SymbolPin>& pin,
                        SymbolPinList::Event event) noexcept {
  Q_UNUSED(list);
  Q_UNUSED(index);
  Q_UNUSED(pin);
  Q_UNUSED(event);
  onEdited.notify(Event::PinsEdited);
}

void Symbol::polygonsEdited(const PolygonList& list, int index,
                            const std::shared_ptr<const Polygon>& polygon,
                            PolygonList::Event event) noexcept {
  Q_UNUSED(list);
  Q_UNUSED(index);
  Q_UNUSED(polygon);
  Q_UNUSED(event);
  onEdited.notify(Event::PolygonsEdited);
}

void Symbol::circlesEdited(const CircleList& list, int index,
                           const std::shared_ptr<const Circle>& circle,
                           CircleList::Event event) noexcept {
  Q_UNUSED(list);
  Q_UNUSED(index);
  Q_UNUSED(circle);
  Q_UNUSED(event);
  onEdited.notify(Event::CirclesEdited);
}

void Symbol::textsEdited(const TextList& list, int index,
                         const std::shared_ptr<const Text>& text,
                         TextList::Event event) noexcept {
  Q_UNUSED(list);
  Q_UNUSED(index);
  Q_UNUSED(text);
  Q_UNUSED(event);
  onEdited.notify(Event::TextsEdited);
}

void Symbol::imagesEdited(const ImageList& list, int index,
                          const std::shared_ptr<const Image>& image,
                          ImageList::Event event) noexcept {
  Q_UNUSED(list);
  Q_UNUSED(index);
  Q_UNUSED(image);
  Q_UNUSED(event);
  onEdited.notify(Event::ImagesEdited);
}

/*******************************************************************************
 *  End of File
 ******************************************************************************/

}  // namespace librepcb
