/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2009 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
 * Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
 * Copyright (C) 2018 CERN
 * Author: Maciej Suminski <maciej.suminski@cern.ch>
 * Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
 *
 * 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 "pcbnew_printout.h"
#include <class_board.h>
#include <math/util.h>      // for KiROUND
#include <pcb_painter.h>
#include <pcbnew_settings.h>
#include <view/view.h>
#include <pcbplot.h>

PCBNEW_PRINTOUT_SETTINGS::PCBNEW_PRINTOUT_SETTINGS( const PAGE_INFO& aPageInfo )
    : BOARD_PRINTOUT_SETTINGS( aPageInfo )
{
    m_drillMarks = SMALL_DRILL_SHAPE;
    m_pagination = ALL_LAYERS;
    m_noEdgeLayer = false;
    m_asItemCheckboxes = false;
}


void PCBNEW_PRINTOUT_SETTINGS::Load( APP_SETTINGS_BASE* aConfig )
{
    BOARD_PRINTOUT_SETTINGS::Load( aConfig );

    if( auto cfg = dynamic_cast<PCBNEW_SETTINGS*>( aConfig ) )
    {
        m_drillMarks = static_cast<DRILL_MARK_SHAPE_T>( cfg->m_Plot.pads_drill_mode );
        m_pagination = static_cast<PAGINATION_T>( cfg->m_Plot.one_page_per_layer );
    }
}


void PCBNEW_PRINTOUT_SETTINGS::Save( APP_SETTINGS_BASE* aConfig )
{
    BOARD_PRINTOUT_SETTINGS::Save( aConfig );

    if( auto cfg = dynamic_cast<PCBNEW_SETTINGS*>( aConfig ) )
    {
        cfg->m_Plot.pads_drill_mode    = m_drillMarks;
        cfg->m_Plot.one_page_per_layer = m_pagination;
    }
}


PCBNEW_PRINTOUT::PCBNEW_PRINTOUT( BOARD* aBoard, const PCBNEW_PRINTOUT_SETTINGS& aParams,
        const KIGFX::VIEW* aView, const wxString& aTitle ) :
    BOARD_PRINTOUT( aParams, aView, aTitle ), m_pcbnewSettings( aParams )
{
    m_board = aBoard;
}


bool PCBNEW_PRINTOUT::OnPrintPage( int aPage )
{
    // Store the layerset, as it is going to be modified below and the original settings are
    // needed.
    LSET lset = m_settings.m_layerSet;
    int pageCount = lset.count();
    wxString layer;
    PCB_LAYER_ID extractLayer;

    // compute layer mask from page number if we want one page per layer
    if( m_pcbnewSettings.m_pagination == PCBNEW_PRINTOUT_SETTINGS::LAYER_PER_PAGE )
    {
        // This sequence is TBD, call a different sequencer if needed, such as Seq().
        // Could not find documentation on page order.
        LSEQ seq = lset.UIOrder();

        // aPage starts at 1, not 0
        if( unsigned( aPage - 1 ) < seq.size() )
            m_settings.m_layerSet = LSET( seq[aPage - 1] );
    }

    if( !m_settings.m_layerSet.any() )
        return false;

    extractLayer = m_settings.m_layerSet.ExtractLayer();

    if( extractLayer == UNDEFINED_LAYER )
        layer = _( "Multiple Layers" );
    else
        layer = LSET::Name( extractLayer );

    // In Pcbnew we can want the layer EDGE always printed
    if( !m_pcbnewSettings.m_noEdgeLayer )
        m_settings.m_layerSet.set( Edge_Cuts );

    DrawPage( layer, aPage, pageCount );

    // Restore the original layer set, so the next page can be printed
    m_settings.m_layerSet = lset;

    return true;
}


int PCBNEW_PRINTOUT::milsToIU( double aMils ) const
{
    return KiROUND( IU_PER_MILS * aMils );
}


void PCBNEW_PRINTOUT::setupViewLayers( KIGFX::VIEW& aView, const LSET& aLayerSet )
{
    BOARD_PRINTOUT::setupViewLayers( aView, aLayerSet );

    for( LSEQ layerSeq = m_settings.m_layerSet.Seq(); layerSeq; ++layerSeq )
        aView.SetLayerVisible( PCBNEW_LAYER_ID_START + *layerSeq, true );

    if( m_pcbnewSettings.m_asItemCheckboxes )
    {
        auto setVisibility = [&]( GAL_LAYER_ID aLayer )
                             {
                                 if( m_board->IsElementVisible( aLayer ) )
                                     aView.SetLayerVisible( aLayer );
                             };

        setVisibility( LAYER_MOD_FR );
        setVisibility( LAYER_MOD_BK );
        setVisibility( LAYER_MOD_VALUES );
        setVisibility( LAYER_MOD_REFERENCES );
        setVisibility( LAYER_MOD_TEXT_FR );
        setVisibility( LAYER_MOD_TEXT_BK );
        setVisibility( LAYER_MOD_TEXT_INVISIBLE );
        setVisibility( LAYER_PAD_FR );
        setVisibility( LAYER_PAD_BK );
        setVisibility( LAYER_PADS_TH );

        setVisibility( LAYER_TRACKS );
        setVisibility( LAYER_VIA_THROUGH );
        setVisibility( LAYER_VIA_BBLIND );
        setVisibility( LAYER_VIA_MICROVIA );
        setVisibility( LAYER_NON_PLATEDHOLES );

        setVisibility( LAYER_NO_CONNECTS );
        setVisibility( LAYER_DRC_WARNING );
        setVisibility( LAYER_DRC_ERROR );
        setVisibility( LAYER_DRC_EXCLUSION );
        setVisibility( LAYER_ANCHOR );
        setVisibility( LAYER_WORKSHEET );
        setVisibility( LAYER_GRID );
    }
    else
    {
        // Enable pad layers corresponding to the selected copper layers
        if( aLayerSet.test( F_Cu ) )
            aView.SetLayerVisible( LAYER_PAD_FR, true );

        if( aLayerSet.test( B_Cu ) )
            aView.SetLayerVisible( LAYER_PAD_BK, true );

        if( ( aLayerSet & LSET::AllCuMask() ).any() )   // Items visible on any copper layer
        {
            // Enable items on copper layers, but do not draw holes
            for( GAL_LAYER_ID item : { LAYER_PADS_TH, LAYER_VIAS } )
            {
                aView.SetLayerVisible( item, true );
            }

            if( m_pcbnewSettings.m_drillMarks != PCBNEW_PRINTOUT_SETTINGS::NO_DRILL_SHAPE )
            {
                // Enable hole layers to draw drill marks
                for( GAL_LAYER_ID holeLayer : { LAYER_PADS_PLATEDHOLES, LAYER_NON_PLATEDHOLES,
                                                LAYER_VIAS_HOLES } )
                {
                    aView.SetLayerVisible( holeLayer, true );
                    aView.SetTopLayer( holeLayer, true );
                }
            }
        }

        // Keep certain items always enabled/disabled and just rely on the layer visibility
        const int alwaysEnabled[] = {
            LAYER_MOD_TEXT_FR, LAYER_MOD_TEXT_BK, LAYER_MOD_FR, LAYER_MOD_BK,
            LAYER_MOD_VALUES, LAYER_MOD_REFERENCES, LAYER_TRACKS,
            LAYER_VIA_MICROVIA, LAYER_VIA_BBLIND, LAYER_VIA_THROUGH
        };

        for( int item : alwaysEnabled )
            aView.SetLayerVisible( item, true );
    }
}


void PCBNEW_PRINTOUT::setupPainter( KIGFX::PAINTER& aPainter )
{
    BOARD_PRINTOUT::setupPainter( aPainter );

    KIGFX::PCB_PRINT_PAINTER& painter = dynamic_cast<KIGFX::PCB_PRINT_PAINTER&>( aPainter );

    switch( m_pcbnewSettings.m_drillMarks )
    {
        case PCBNEW_PRINTOUT_SETTINGS::NO_DRILL_SHAPE:
            painter.SetDrillMarks( false, 0 );
            break;

        case PCBNEW_PRINTOUT_SETTINGS::SMALL_DRILL_SHAPE:
            painter.SetDrillMarks( false, Millimeter2iu( 0.3 ) );
            break;

        case PCBNEW_PRINTOUT_SETTINGS::FULL_DRILL_SHAPE:
            painter.SetDrillMarks( true );
            break;
    }

    painter.GetSettings()->SetDrawIndividualViaLayers(
            m_pcbnewSettings.m_pagination == PCBNEW_PRINTOUT_SETTINGS::LAYER_PER_PAGE );

    painter.GetSettings()->SetLayerColor( LAYER_PADS_PLATEDHOLES, COLOR4D::WHITE );
    painter.GetSettings()->SetLayerColor( LAYER_NON_PLATEDHOLES, COLOR4D::WHITE );
    painter.GetSettings()->SetLayerColor( LAYER_VIAS_HOLES, COLOR4D::WHITE );
}


void PCBNEW_PRINTOUT::setupGal( KIGFX::GAL* aGal )
{
    BOARD_PRINTOUT::setupGal( aGal );
    aGal->SetWorldUnitLength( 1e-9 /* 1 nm */ / 0.0254 /* 1 inch in meters */ );
}


EDA_RECT PCBNEW_PRINTOUT::getBoundingBox()
{
    return m_board->ComputeBoundingBox();
}


std::unique_ptr<KIGFX::PAINTER> PCBNEW_PRINTOUT::getPainter( KIGFX::GAL* aGal )
{
    return std::unique_ptr<KIGFX::PAINTER>( new KIGFX::PCB_PRINT_PAINTER( aGal ) );
}


KIGFX::PCB_PRINT_PAINTER::PCB_PRINT_PAINTER( GAL* aGal )
    : PCB_PAINTER( aGal ), m_drillMarkReal( false ), m_drillMarkSize( 0 )
{
    m_pcbSettings.EnableZoneOutlines( false );
}


int KIGFX::PCB_PRINT_PAINTER::getDrillShape( const D_PAD* aPad ) const
{
    return m_drillMarkReal ? KIGFX::PCB_PAINTER::getDrillShape( aPad ) : PAD_DRILL_SHAPE_CIRCLE;
}


VECTOR2D KIGFX::PCB_PRINT_PAINTER::getDrillSize( const D_PAD* aPad ) const
{
    // TODO should it depend on the pad size?
    return m_drillMarkReal ? KIGFX::PCB_PAINTER::getDrillSize( aPad ) :
        VECTOR2D( m_drillMarkSize, m_drillMarkSize );
}


int KIGFX::PCB_PRINT_PAINTER::getDrillSize( const VIA* aVia ) const
{
    // TODO should it depend on the via size?
    return m_drillMarkReal ? KIGFX::PCB_PAINTER::getDrillSize( aVia ) : m_drillMarkSize;
}