/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.
    Copyright 2000-2022 the Rosegarden development team.
 
    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.
 
    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.  See the file
    COPYING included with this distribution for more information.
*/


#include "AddDotCommand.h"

#include "base/Event.h"
#include "base/NotationTypes.h"
#include "base/SegmentNotationHelper.h"
#include "base/Selection.h"
#include "base/BaseProperties.h"


namespace Rosegarden
{


void
AddDotCommand::modifySegment()
{
    typedef std::vector<Event *> EventVec;
    EventVec toErase;
    EventVec toInsert;

    EventContainer::iterator i;
    timeT endTime = getEndTime();
    SegmentNotationHelper segmentNotationHelper(m_selection->getSegment());

    for (i = m_selection->getSegmentEvents().begin();
            i != m_selection->getSegmentEvents().end(); ++i) {

        if ((*i)->isa(Note::EventType)) {

            bool tiedNote = ((*i)->has(BaseProperties::TIED_FORWARD) ||
                             (*i)->has(BaseProperties::TIED_BACKWARD));

            // Never add dots to tied notes
            if (tiedNote) continue;

            Note note = Note::getNearestNote
                        ((*i)->getNotationDuration());
            int dots = note.getDots();
            if (++dots > 2)
                dots = 0;

            toErase.push_back(*i);

            Event *e;

            if (m_notationOnly) {
                e = new Event(**i,
                              (*i)->getAbsoluteTime(),
                              (*i)->getDuration(),
                              (*i)->getSubOrdering(),
                              (*i)->getNotationAbsoluteTime(),
                              Note(note.getNoteType(),
                                   dots).getDuration());

            } else {
                e = new Event(**i,
                              (*i)->getNotationAbsoluteTime(),
                              Note(note.getNoteType(),
                                   dots).getDuration());
            }

            if (e->getNotationAbsoluteTime() + e->getNotationDuration() > endTime) {
                endTime = e->getNotationAbsoluteTime() + e->getNotationDuration();
            }

            toInsert.push_back(e);
        }
    }

    for (EventVec::iterator i = toErase.begin(); i != toErase.end(); ++i) {
        m_selection->getSegment().eraseSingle(*i);
    }

    for (EventVec::iterator i = toInsert.begin(); i != toInsert.end(); ++i) {
        Segment::iterator note =
            m_selection->getSegment().insert(*i);
        // segmentNotationHelper sometimes erases the event and makes
        // new ones.  actualEvent is always the first event timewise,
        // though it may be followed by tied notes.
        Event *actualEvent =
            segmentNotationHelper.makeThisNoteViable(note, true);
        m_selection->addEvent(actualEvent);
    }

    // extend endTime to end of the bar to sort out the rests after
    // dot reduction
    Composition* comp = m_selection->getSegment().getComposition();
    int barNo = comp->getBarNumber(endTime);
    timeT endBarTime = comp->getBarEnd(barNo);
    m_selection->getSegment().normalizeRests(getStartTime(), endBarTime);
}


}
