/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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 <symbol_edit_frame.h>
#include <symbol_editor_settings.h>
#include <widgets/bitmap_button.h>
#include <widgets/font_choice.h>
#include <widgets/color_swatch.h>
#include <base_units.h>
#include <general.h>
#include <settings/color_settings.h>
#include <lib_textbox.h>
#include <confirm.h>
#include <dialogs/html_message_box.h>
#include <string_utils.h>
#include <scintilla_tricks.h>
#include <dialog_lib_textbox_properties.h>
#include "symbol_editor_drawing_tools.h"
#include <gr_text.h>

DIALOG_LIB_TEXTBOX_PROPERTIES::DIALOG_LIB_TEXTBOX_PROPERTIES( SYMBOL_EDIT_FRAME* aParent,
                                                              LIB_TEXTBOX* aTextBox ) :
        DIALOG_LIB_TEXTBOX_PROPERTIES_BASE( aParent ),
        m_frame( aParent ),
        m_currentText( aTextBox ),
        m_textSize( aParent, m_textSizeLabel, m_textSizeCtrl, m_textSizeUnits ),
        m_borderWidth( aParent, m_borderWidthLabel, m_borderWidthCtrl, m_borderWidthUnits ),
        m_scintillaTricks( nullptr ),
        m_helpWindow( nullptr )
{
    COLOR_SETTINGS* colorSettings = m_frame->GetColorSettings();
    COLOR4D         schematicBackground = colorSettings->GetColor( LAYER_SCHEMATIC_BACKGROUND );

    m_borderColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
    m_borderColorSwatch->SetSwatchBackground( schematicBackground );

    for( const auto& [ lineStyle, lineStyleDesc ] : lineTypeNames )
        m_borderStyleCombo->Append( lineStyleDesc.name, KiBitmapBundle( lineStyleDesc.bitmap ) );

    m_borderStyleCombo->Append( DEFAULT_STYLE );

    m_fillColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
    m_fillColorSwatch->SetSwatchBackground( schematicBackground );

    m_textCtrl->SetEOLMode( wxSTC_EOL_LF );

#ifdef _WIN32
    // Without this setting, on Windows, some esoteric unicode chars create display issue
    // in a wxStyledTextCtrl.
    // for SetTechnology() info, see https://www.scintilla.org/ScintillaDoc.html#SCI_SETTECHNOLOGY
    m_textCtrl->SetTechnology(wxSTC_TECHNOLOGY_DIRECTWRITE);
#endif

    m_scintillaTricks = new SCINTILLA_TRICKS( m_textCtrl, wxT( "{}" ), false,
            // onAcceptFn
            [this]( wxKeyEvent& aEvent )
            {
                wxPostEvent( this, wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ) );
            } );

    m_textEntrySizer->AddGrowableRow( 0 );

    m_textColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
    m_textColorSwatch->SetSwatchBackground( schematicBackground );

    SetInitialFocus( m_textCtrl );

    m_separator1->SetIsSeparator();

    m_bold->SetIsCheckButton();
    m_bold->SetBitmap( KiBitmapBundle( BITMAPS::text_bold ) );
    m_italic->SetIsCheckButton();
    m_italic->SetBitmap( KiBitmapBundle( BITMAPS::text_italic ) );

    m_separator2->SetIsSeparator();

    m_hAlignLeft->SetIsRadioButton();
    m_hAlignLeft->SetBitmap( KiBitmapBundle( BITMAPS::text_align_left ) );
    m_hAlignCenter->SetIsRadioButton();
    m_hAlignCenter->SetBitmap( KiBitmapBundle( BITMAPS::text_align_center ) );
    m_hAlignRight->SetIsRadioButton();
    m_hAlignRight->SetBitmap( KiBitmapBundle( BITMAPS::text_align_right ) );
    m_separator3->SetIsSeparator();

    m_vAlignTop->SetIsRadioButton();
    m_vAlignTop->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_top ) );
    m_vAlignCenter->SetIsRadioButton();
    m_vAlignCenter->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_center ) );
    m_vAlignBottom->SetIsRadioButton();
    m_vAlignBottom->SetBitmap( KiBitmapBundle( BITMAPS::text_valign_bottom ) );

    m_separator4->SetIsSeparator();

    m_horizontal->SetIsRadioButton();
    m_horizontal->SetBitmap( KiBitmapBundle( BITMAPS::text_horizontal ) );
    m_vertical->SetIsRadioButton();
    m_vertical->SetBitmap( KiBitmapBundle( BITMAPS::text_vertical ) );

    m_separator5->SetIsSeparator();

    SetupStandardButtons();
    Layout();

    m_hAlignLeft->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onHAlignButton, this );
    m_hAlignCenter->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onHAlignButton, this );
    m_hAlignRight->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onHAlignButton, this );
    m_vAlignTop->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onVAlignButton, this );
    m_vAlignCenter->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onVAlignButton, this );
    m_vAlignBottom->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onVAlignButton, this );
    m_horizontal->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onTextAngleButton, this );
    m_vertical->Bind( wxEVT_BUTTON, &DIALOG_LIB_TEXTBOX_PROPERTIES::onTextAngleButton, this );

    // Now all widgets have the size fixed, call FinishDialogSettings
    finishDialogSettings();
}


DIALOG_LIB_TEXTBOX_PROPERTIES::~DIALOG_LIB_TEXTBOX_PROPERTIES()
{
    delete m_scintillaTricks;

    if( m_helpWindow )
        m_helpWindow->Destroy();
}


bool DIALOG_LIB_TEXTBOX_PROPERTIES::TransferDataToWindow()
{
    if( !wxDialog::TransferDataToWindow() )
        return false;

    const SYMBOL* symbol = m_currentText->GetParentSymbol();

    m_textCtrl->SetValue( m_currentText->GetText() );
    m_textCtrl->EmptyUndoBuffer();

    m_fontCtrl->SetFontSelection( m_currentText->GetFont() );
    m_textSize.SetValue( m_currentText->GetTextWidth() );
    m_textColorSwatch->SetSwatchColor( m_currentText->GetTextColor(), false );

    m_bold->Check( m_currentText->IsBold() );
    m_italic->Check( m_currentText->IsItalic() );

    switch( m_currentText->GetHorizJustify() )
    {
    case GR_TEXT_H_ALIGN_LEFT:          m_hAlignLeft->Check();   break;
    case GR_TEXT_H_ALIGN_CENTER:        m_hAlignCenter->Check(); break;
    case GR_TEXT_H_ALIGN_RIGHT:         m_hAlignRight->Check();  break;
    case GR_TEXT_H_ALIGN_INDETERMINATE:                          break;
    }

    switch( m_currentText->GetVertJustify() )
    {
    case GR_TEXT_V_ALIGN_TOP:           m_vAlignTop->Check();    break;
    case GR_TEXT_V_ALIGN_CENTER:        m_vAlignCenter->Check(); break;
    case GR_TEXT_V_ALIGN_BOTTOM:        m_vAlignBottom->Check(); break;
    case GR_TEXT_V_ALIGN_INDETERMINATE:                          break;
    }

    if( m_currentText->GetTextAngle() == ANGLE_VERTICAL )
        m_vertical->Check();
    else
        m_horizontal->Check();

    if( m_currentText->GetWidth() >= 0 )
    {
        m_borderCheckbox->SetValue( true );
        m_borderWidth.SetValue( m_currentText->GetWidth() );
    }
    else
    {
        m_borderCheckbox->SetValue( false );

        m_borderWidth.Enable( false );
        m_borderColorLabel->Enable( false );
        m_borderColorSwatch->Enable( false );
        m_borderStyleLabel->Enable( false );
        m_borderStyleCombo->Enable( false );
    }

    m_borderColorSwatch->SetSwatchColor( m_currentText->GetStroke().GetColor(), false );

    int style = static_cast<int>( m_currentText->GetStroke().GetLineStyle() );

    if( style == -1 )
        m_borderStyleCombo->SetStringSelection( DEFAULT_STYLE );
    else if( style < (int) lineTypeNames.size() )
        m_borderStyleCombo->SetSelection( style );
    else
        wxFAIL_MSG( "Line type not found in the type lookup map" );

    m_filledCtrl->SetValue( m_currentText->IsFilled() );
    m_fillColorSwatch->SetSwatchColor( m_currentText->GetFillColor(), false );

    m_fillColorLabel->Enable( m_currentText->IsFilled() );
    m_fillColorSwatch->Enable( m_currentText->IsFilled() );

    m_privateCheckbox->SetValue( m_currentText->IsPrivate() );
    m_commonToAllUnits->SetValue(
            symbol && symbol->GetUnitCount() > 1 && m_currentText->GetUnit() == 0 );
    m_commonToAllUnits->Enable( symbol && symbol->GetUnitCount() > 1 );
    m_commonToAllBodyStyles->SetValue( m_currentText->GetBodyStyle() == 0 );

    return true;
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onHAlignButton( wxCommandEvent& aEvent )
{
    for( BITMAP_BUTTON* btn : { m_hAlignLeft, m_hAlignCenter, m_hAlignRight } )
    {
        if( btn->IsChecked() && btn != aEvent.GetEventObject() )
            btn->Check( false );
    }
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onVAlignButton( wxCommandEvent& aEvent )
{
    for( BITMAP_BUTTON* btn : { m_vAlignTop, m_vAlignCenter, m_vAlignBottom } )
    {
        if( btn->IsChecked() && btn != aEvent.GetEventObject() )
            btn->Check( false );
    }
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onTextAngleButton( wxCommandEvent& aEvent )
{
    for( BITMAP_BUTTON* btn : { m_horizontal, m_vertical } )
    {
        if( btn->IsChecked() && btn != aEvent.GetEventObject() )
            btn->Check( false );
    }
}


bool DIALOG_LIB_TEXTBOX_PROPERTIES::TransferDataFromWindow()
{
    if( !wxDialog::TransferDataFromWindow() )
        return false;

    wxString text = m_textCtrl->GetValue();

#ifdef __WXMAC__
    // On macOS CTRL+Enter produces '\r' instead of '\n' regardless of EOL setting
    text.Replace( wxS( "\r" ), wxS( "\n" ) );
#elif defined( __WINDOWS__ )
    // On Windows, a new line is coded as \r\n.  We use only \n in kicad files and in
    // drawing routines so strip the \r char.
    text.Replace( wxS( "\r" ), wxS( "" ) );
#endif

    m_currentText->SetText( text );

    if( m_currentText->GetTextWidth() != m_textSize.GetValue() )
        m_currentText->SetTextSize( VECTOR2I( m_textSize.GetValue(), m_textSize.GetValue() ) );

    if( m_fontCtrl->HaveFontSelection() )
    {
        m_currentText->SetFont( m_fontCtrl->GetFontSelection( m_bold->IsChecked(),
                                                              m_italic->IsChecked() ) );
    }

    // Must come after SetTextSize()
    m_currentText->SetBold( m_italic->IsChecked() );
    m_currentText->SetItalic( m_italic->IsChecked() );

    m_currentText->SetTextColor( m_textColorSwatch->GetSwatchColor() );

    if( m_hAlignRight->IsChecked() )
        m_currentText->SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
    else if( m_hAlignCenter->IsChecked() )
        m_currentText->SetHorizJustify( GR_TEXT_H_ALIGN_CENTER );
    else
        m_currentText->SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );

    if( m_vAlignBottom->IsChecked() )
        m_currentText->SetVertJustify( GR_TEXT_V_ALIGN_BOTTOM );
    else if( m_vAlignCenter->IsChecked() )
        m_currentText->SetVertJustify( GR_TEXT_V_ALIGN_CENTER );
    else
        m_currentText->SetVertJustify( GR_TEXT_V_ALIGN_TOP );

    if( m_vertical->IsChecked() )
        m_currentText->SetTextAngle( ANGLE_VERTICAL );
    else
        m_currentText->SetTextAngle( ANGLE_HORIZONTAL );

    STROKE_PARAMS stroke = m_currentText->GetStroke();

    if( m_borderCheckbox->GetValue() )
        stroke.SetWidth( std::max( (long long int) 0, m_borderWidth.GetValue() ) );
    else
        stroke.SetWidth( -1 );

    auto it = lineTypeNames.begin();
    std::advance( it, m_borderStyleCombo->GetSelection() );

    if( it == lineTypeNames.end() )
        stroke.SetLineStyle( LINE_STYLE::DEFAULT );
    else
        stroke.SetLineStyle( it->first );

    stroke.SetColor( m_borderColorSwatch->GetSwatchColor() );

    m_currentText->SetStroke( stroke );

    m_currentText->SetFillMode( m_filledCtrl->GetValue() ? FILL_T::FILLED_WITH_COLOR
                                                         : FILL_T::NO_FILL );
    m_currentText->SetFillColor( m_fillColorSwatch->GetSwatchColor() );

    m_currentText->SetPrivate( m_privateCheckbox->GetValue() );

    if( !m_commonToAllUnits->GetValue() )
        m_currentText->SetUnit( m_frame->GetUnit() );
    else
        m_currentText->SetUnit( 0 );

    if( !m_commonToAllBodyStyles->GetValue() )
        m_currentText->SetBodyStyle( m_frame->GetBodyStyle() );
    else
        m_currentText->SetBodyStyle( 0 );

    // Record settings used for next time:
    auto* tools = m_frame->GetToolManager()->GetTool<SYMBOL_EDITOR_DRAWING_TOOLS>();
    tools->SetLastTextAngle( m_currentText->GetTextAngle() );
    tools->SetDrawSpecificBodyStyle( !m_commonToAllBodyStyles->GetValue() );
    tools->SetDrawSpecificUnit( !m_commonToAllUnits->GetValue() );

    m_frame->SetMsgPanel( m_currentText );

    return true;
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::OnFormattingHelp( wxHyperlinkEvent& aEvent )
{
    m_helpWindow = SCH_TEXT::ShowSyntaxHelp( this );
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onMultiLineTCLostFocus( wxFocusEvent& event )
{
    if( m_scintillaTricks )
        m_scintillaTricks->CancelAutocomplete();

    event.Skip();
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onBorderChecked( wxCommandEvent& event )
{
    bool border = m_borderCheckbox->GetValue();

    if( border && m_borderWidth.GetValue() < 0 )
        m_borderWidth.SetValue( schIUScale.MilsToIU( m_frame->libeditconfig()->m_Defaults.line_width ) );

    m_borderWidth.Enable( border );
    m_borderColorLabel->Enable( border );
    m_borderColorSwatch->Enable( border );
    m_borderStyleLabel->Enable( border );
    m_borderStyleCombo->Enable( border );
}


void DIALOG_LIB_TEXTBOX_PROPERTIES::onFillChecked( wxCommandEvent& event )
{
    bool fill = m_filledCtrl->GetValue();

    m_fillColorLabel->Enable( fill );
    m_fillColorSwatch->Enable( fill );
}