/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The 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 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, you may find one at http://www.gnu.org/licenses/
 */

#include <tool/tool_manager.h>
#include <tool/actions.h>
#include <eda_draw_frame.h>
#include <widgets/lib_tree.h>
#include <project.h>
#include <kiway.h>
#include "wx/generic/textdlgg.h"
#include "library_editor_control.h"


LIBRARY_EDITOR_CONTROL::LIBRARY_EDITOR_CONTROL() :
    TOOL_INTERACTIVE( "common.LibraryEditorControl" ),
    m_frame( nullptr )
{
}


void LIBRARY_EDITOR_CONTROL::Reset( RESET_REASON aReason )
{
    m_frame = getEditFrame<EDA_DRAW_FRAME>();
}


void LIBRARY_EDITOR_CONTROL::AddContextMenuItems( CONDITIONAL_MENU* aMenu )
{
    auto checkPinnedStatus = [this]( bool aPin )
    {
        bool      result = true;
        LIB_TREE* libTree = m_frame->GetLibTree();
        if( libTree )
        {
            std::vector<LIB_TREE_NODE*> selection;
            libTree->GetSelectedTreeNodes( selection );

            for( const LIB_TREE_NODE* lib : selection )
            {
                if( lib && lib->m_Type == LIB_TREE_NODE::TYPE::LIBRARY && lib->m_Pinned != aPin )
                {
                    result = false;
                    break;
                }
            }
        }
        else
        {
            result = false;
        }

        return result;
    };

    auto pinnedLibSelectedCondition = [checkPinnedStatus]( const SELECTION& aSel )
    {
        return checkPinnedStatus( true );
    };

    auto unpinnedLibSelectedCondition = [checkPinnedStatus]( const SELECTION& aSel )
    {
        return checkPinnedStatus( false );
    };

    aMenu->AddItem( ACTIONS::pinLibrary,        unpinnedLibSelectedCondition, 1 );
    aMenu->AddItem( ACTIONS::unpinLibrary,      pinnedLibSelectedCondition, 1 );
    aMenu->AddSeparator( 1 );

    aMenu->AddSeparator( 400 );
    aMenu->AddItem( ACTIONS::hideLibraryTree,   SELECTION_CONDITIONS::ShowAlways, 400 );
}


void LIBRARY_EDITOR_CONTROL::regenerateLibraryTree()
{
    LIB_TREE* libTree = m_frame->GetLibTree();
    LIB_ID    target = m_frame->GetTargetLibId();

    libTree->Regenerate( true );

    if( target.IsValid() )
        libTree->CenterLibId( target );
}

void LIBRARY_EDITOR_CONTROL::changeSelectedPinStatus( const bool aPin )
{
    LIB_TREE* libTree = m_frame->GetLibTree();
    if( libTree )
    {
        std::vector<LIB_TREE_NODE*> selection;
        libTree->GetSelectedTreeNodes( selection );

        for( LIB_TREE_NODE* lib : selection )
        {
            if( lib && lib->m_Type == LIB_TREE_NODE::TYPE::LIBRARY && lib->m_Pinned != aPin )
            {
                const KIWAY::FACE_T kifaceType = KIWAY::KifaceType( m_frame->GetFrameType() );

                if( kifaceType == KIWAY::FACE_SCH || kifaceType == KIWAY::FACE_PCB )
                {
                    if( aPin )
                        m_frame->Prj().PinLibrary( lib->m_LibId.GetLibNickname(),
                                                   kifaceType == KIWAY::FACE_SCH
                                                           ? PROJECT::LIB_TYPE_T::SYMBOL_LIB
                                                           : PROJECT::LIB_TYPE_T::FOOTPRINT_LIB );
                    else
                        m_frame->Prj().UnpinLibrary( lib->m_LibId.GetLibNickname(),
                                                     kifaceType == KIWAY::FACE_SCH
                                                             ? PROJECT::LIB_TYPE_T::SYMBOL_LIB
                                                             : PROJECT::LIB_TYPE_T::FOOTPRINT_LIB );

                    lib->m_Pinned = aPin;
                }
                else
                {
                    wxFAIL_MSG( wxT( "Unsupported frame type for library pinning." ) );
                }
            }
        }

        regenerateLibraryTree();
    }
}

int LIBRARY_EDITOR_CONTROL::PinLibrary( const TOOL_EVENT& aEvent )
{
    changeSelectedPinStatus( true );

    return 0;
}


int LIBRARY_EDITOR_CONTROL::UnpinLibrary( const TOOL_EVENT& aEvent )
{
    changeSelectedPinStatus( false );

    return 0;
}


int LIBRARY_EDITOR_CONTROL::ToggleLibraryTree( const TOOL_EVENT& aEvent )
{
    m_frame->ToggleLibraryTree();
    return 0;
}


int LIBRARY_EDITOR_CONTROL::LibraryTreeSearch( const TOOL_EVENT& aEvent )
{
    if (!m_frame->IsLibraryTreeShown() )
        m_frame->ToggleLibraryTree();

    m_frame->FocusLibraryTreeInput();
    return 0;
}


class RENAME_DIALOG : public wxTextEntryDialog
{
public:
    RENAME_DIALOG( wxWindow* aParent, const wxString& aTitle, const wxString& aName,
                   std::function<bool( const wxString& newName )> aValidator ) :
            wxTextEntryDialog( aParent, _( "New name:" ), aTitle, aName ),
            m_validator( std::move( aValidator ) )
    { }

protected:
    bool TransferDataFromWindow() override
    {
        return m_validator( m_textctrl->GetValue().Trim( true ).Trim( false ) );
    }

private:
    std::function<bool( const wxString& aNewName )> m_validator;
};


bool LIBRARY_EDITOR_CONTROL::RenameLibrary( const wxString& aTitle, const wxString& aName,
                                            std::function<bool( const wxString& aNewName )> aValidator )
{
    RENAME_DIALOG dlg( m_frame, aTitle, aName, std::move( aValidator ) );

    return dlg.ShowModal() == wxID_OK;
}


void LIBRARY_EDITOR_CONTROL::setTransitions()
{
    Go( &LIBRARY_EDITOR_CONTROL::PinLibrary,           ACTIONS::pinLibrary.MakeEvent() );
    Go( &LIBRARY_EDITOR_CONTROL::UnpinLibrary,         ACTIONS::unpinLibrary.MakeEvent() );
    Go( &LIBRARY_EDITOR_CONTROL::ToggleLibraryTree,    ACTIONS::showLibraryTree.MakeEvent() );
    Go( &LIBRARY_EDITOR_CONTROL::ToggleLibraryTree,    ACTIONS::hideLibraryTree.MakeEvent() );
    Go( &LIBRARY_EDITOR_CONTROL::LibraryTreeSearch,    ACTIONS::libraryTreeSearch.MakeEvent() );
}