/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2020 KiCad Developers, see AUTHORS.TXT for contributors.
 *
 * 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 2
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#include "eeschema_test_utils.h"

#include <cstdlib>
#include <memory>

#include <eeschema/sch_io_mgr.h>
#include <eeschema/sch_screen.h>
#include <eeschema/schematic.h>
#include <eeschema/connection_graph.h>
#include <qa_utils/wx_utils/unit_test_utils.h>
#include <wildcards_and_files_ext.h>


#ifndef QA_EESCHEMA_DATA_LOCATION
    #define QA_EESCHEMA_DATA_LOCATION "???"
#endif

wxFileName KI_TEST::GetEeschemaTestDataDir()
{
    const char* env = std::getenv( "KICAD_TEST_EESCHEMA_DATA_DIR" );
    wxString fn;

    if( !env )
    {
        // Use the compiled-in location of the data dir
        // (i.e. where the files were at build time)
        fn << QA_EESCHEMA_DATA_LOCATION;
    }
    else
    {
        // Use whatever was given in the env var
        fn << env;
    }

    // Ensure the string ends in / to force a directory interpretation
    fn << "/";

    return wxFileName{ fn };
}


void KI_TEST::SCHEMATIC_TEST_FIXTURE::loadSchematic( const wxString& aRelativePath )
{
    wxFileName fn = getSchematicFile( aRelativePath );

    BOOST_TEST_MESSAGE( fn.GetFullPath() );

    wxFileName pro( fn );
    pro.SetExt( ProjectFileExtension );

    m_schematic.Reset();
    m_schematic.CurrentSheet().clear();

    m_manager.LoadProject( pro.GetFullPath() );
    m_manager.Prj().SetElem( PROJECT::ELEM_SCH_SYMBOL_LIBS, nullptr );

    m_schematic.SetProject( &m_manager.Prj() );

    m_schematic.SetRoot( m_pi->Load( fn.GetFullPath(), &m_schematic ) );

    BOOST_REQUIRE_EQUAL( m_pi->GetError().IsEmpty(), true );

    m_schematic.CurrentSheet().push_back( &m_schematic.Root() );

    SCH_SCREENS screens( m_schematic.Root() );

    for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
        screen->UpdateLocalLibSymbolLinks();

    SCH_SHEET_LIST sheets = m_schematic.GetSheets();

    // Restore all of the loaded symbol instances from the root sheet screen.
    sheets.UpdateSymbolInstances( m_schematic.RootScreen()->GetSymbolInstances() );
    sheets.UpdateSheetInstances( m_schematic.RootScreen()->GetSheetInstances() );

    sheets.AnnotatePowerSymbols();

    // NOTE: This is required for multi-unit symbols to be correct
    // Normally called from SCH_EDIT_FRAME::FixupJunctions() but could be refactored
    for( SCH_SHEET_PATH& sheet : sheets )
        sheet.UpdateAllScreenReferences();

    // NOTE: SchematicCleanUp is not called; QA schematics must already be clean or else
    // SchematicCleanUp must be freed from its UI dependencies.

    m_schematic.ConnectionGraph()->Recalculate( sheets, true );
}


wxFileName KI_TEST::SCHEMATIC_TEST_FIXTURE::getSchematicFile( const wxString& aBaseName )
{
    wxFileName fn = KI_TEST::GetEeschemaTestDataDir();
    fn.AppendDir( "netlists" );
    fn.AppendDir( aBaseName );
    fn.SetName( aBaseName );
    fn.SetExt( KiCadSchematicFileExtension );

    return fn;
}