/*
 * 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 "newelementwizardpage_componentsignals.h"

#include "ui_newelementwizardpage_componentsignals.h"

#include <librepcb/core/fileio/transactionalfilesystem.h>
#include <librepcb/core/library/cmp/component.h>
#include <librepcb/core/library/sym/symbol.h>
#include <librepcb/core/workspace/workspace.h>
#include <librepcb/core/workspace/workspacelibrarydb.h>

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

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

NewElementWizardPage_ComponentSignals::NewElementWizardPage_ComponentSignals(
    NewElementWizardContext& context, QWidget* parent) noexcept
  : QWizardPage(parent),
    mContext(context),
    mUi(new Ui::NewElementWizardPage_ComponentSignals) {
  mUi->setupUi(this);
}

NewElementWizardPage_ComponentSignals::
    ~NewElementWizardPage_ComponentSignals() noexcept {
}

/*******************************************************************************
 *  Getters
 ******************************************************************************/

bool NewElementWizardPage_ComponentSignals::validatePage() noexcept {
  return true;
}

bool NewElementWizardPage_ComponentSignals::isComplete() const noexcept {
  return true;
}

int NewElementWizardPage_ComponentSignals::nextId() const noexcept {
  return NewElementWizardContext::ID_ComponentPinSignalMap;
}

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

QHash<Uuid, CircuitIdentifier>
    NewElementWizardPage_ComponentSignals::getPinNames(
        const Uuid& symbol, const QString& suffix) const noexcept {
  QHash<Uuid, CircuitIdentifier> names;
  try {
    FilePath fp = mContext.getWorkspace().getLibraryDb().getLatest<Symbol>(
        symbol);  // can throw
    Symbol sym(
        std::unique_ptr<TransactionalDirectory>(new TransactionalDirectory(
            TransactionalFileSystem::openRO(fp))));  // can throw
    for (const SymbolPin& pin : sym.getPins()) {
      names.insert(pin.getUuid(),
                   CircuitIdentifier(suffix % pin.getName()));  // can throw
    }
  } catch (const Exception& e) {
    // TODO: what could we do here?
  }
  return names;
}

void NewElementWizardPage_ComponentSignals::initializePage() noexcept {
  QWizardPage::initializePage();

  // automatically create signals if no signals exist
  const ComponentSymbolVariant* variant =
      mContext.mComponentSymbolVariants.value(0).get();
  if (variant && mContext.mComponentSignals.count() < 1) {
    for (const ComponentSymbolVariantItem& item : variant->getSymbolItems()) {
      QHash<Uuid, CircuitIdentifier> names =
          getPinNames(item.getSymbolUuid(), *item.getSuffix());
      for (const ComponentPinSignalMapItem& map : item.getPinSignalMap()) {
        auto i = names.find(map.getPinUuid());
        if (i != names.end() && (i.key() == map.getPinUuid())) {
          mContext.mComponentSignals.append(std::make_shared<ComponentSignal>(
              Uuid::createRandom(), i.value(), SignalRole::passive(), QString(),
              false, false, false));
        }
      }
    }
  }

  mUi->signalListEditorWidget->setReferences(nullptr,
                                             &mContext.mComponentSignals);
}

void NewElementWizardPage_ComponentSignals::cleanupPage() noexcept {
  QWizardPage::cleanupPage();
}

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

}  // namespace editor
}  // namespace librepcb
