#include "toonz/txshlevelcolumn.h"
#include "toonz/txshsimplelevel.h"
#include "toonz/txshcell.h"
#include "toonz/tcolumnfxset.h"
#include "toonz/tcolumnfx.h"
#include "toonz/txshleveltypes.h"

#include "tstream.h"

//-----------------------------------------------------------------------------

namespace
{
TFrameId qstringToFrameId(QString str)
{
	if (str.isEmpty() || str == "-1")
		return TFrameId::EMPTY_FRAME;
	else if (str == "-" || str == "-2")
		return TFrameId::NO_FRAME;
	TFrameId fid;
	int s = 0;
	QString number;
	char letter(0);
	for (s = 0; s < str.size(); s++) {
		QChar c = str.at(s);
		if (c.isNumber())
			number.append(c);
#if QT_VERSION >= 0x050500
		else
			letter = c.toLatin1();
#else
		else
			letter = c.toAscii();
#endif
	}
	return TFrameId(number.toInt(), letter);
}
}

//-----------------------------------------------------------------------------

//=============================================================================
// TXshLevelColumn

TXshLevelColumn::TXshLevelColumn()
	: m_fx(new TLevelColumnFx())
	  //, m_iconId("")
	  ,
	  m_iconVisible(false)
{
	//updateIcon();
	m_fx->addRef();
	m_fx->setColumn(this);
}

//-----------------------------------------------------------------------------

TXshLevelColumn::~TXshLevelColumn()
{
	m_fx->setColumn(0);
	m_fx->release();
	m_fx = 0;
}

//-----------------------------------------------------------------------------

TXshColumn::ColumnType TXshLevelColumn::getColumnType() const
{
	return eLevelType;
}

//----------------------------------------------------------------------------

bool TXshLevelColumn::canSetCell(const TXshCell &cell) const
{
	if (cell.isEmpty())
		return true;

	TXshSimpleLevel *sl = cell.getSimpleLevel();
	if (sl)
		return (sl->getType() & LEVELCOLUMN_XSHLEVEL);

	return cell.getChildLevel();
}

//-----------------------------------------------------------------------------

TLevelColumnFx *TXshLevelColumn::getLevelColumnFx() const
{
	return m_fx;
}

//-----------------------------------------------------------------------------

TFx *TXshLevelColumn::getFx() const
{
	return m_fx;
}

//-----------------------------------------------------------------------------

TXshColumn *TXshLevelColumn::clone() const
{
	TXshLevelColumn *column = new TXshLevelColumn;
	column->setStatusWord(getStatusWord());
	column->setOpacity(getOpacity());
	column->m_cells = m_cells;
	column->m_first = m_first;

	//column->updateIcon();
	return column;
}

//-----------------------------------------------------------------------------

void TXshLevelColumn::loadData(TIStream &is)
{
	string tagName;
	while (is.openChild(tagName)) {
		if (tagName == "status") {
			int status;
			is >> status;
			setStatusWord(status);
			if (status & eCamstandTransparent43) {
				setOpacity(128);
				status = status & ~eCamstandTransparent43;
			}
		} else if (tagName == "camerastand_opacity") {
			int opacity;
			is >> opacity;
			setOpacity((UCHAR)opacity);
		} else if (tagName == "cells") {
			while (is.openChild(tagName)) {
				if (tagName == "cell") {
					TPersist *p = 0;
					QString str;
					int row = 1, rowCount = 1, increment = 0;
					TFilePath path;
					is >> row >> rowCount >> p >> str >> increment;
					TFrameId fid = qstringToFrameId(str);
					assert((fid.getLetter() == 0 && rowCount >= 0) || (fid.getLetter() != 0 && rowCount == 1));
					TXshLevel *xshLevel = dynamic_cast<TXshLevel *>(p);
					if (xshLevel) {
						int fidNumber = fid.getNumber();
						for (int i = 0; i < rowCount; i++) {
							TXshCell cell(xshLevel, fid);
							setCell(row++, cell);
							//rowCount>1 => fid has not letter.
							fidNumber += increment;
							fid = TFrameId(fidNumber);
						}
					}
				} else
					throw TException("TXshLevelColumn, unknown tag(2): " + tagName);
				is.closeChild();
			}
		} else if (tagName == "fx") {
			TPersist *p = 0;
			is >> p;
			if (TLevelColumnFx *lcf = dynamic_cast<TLevelColumnFx *>(p)) {
				lcf->addRef();
				if (m_fx)
					m_fx->release();
				m_fx = lcf;
				lcf->setColumn(this);
			}
		} else if (tagName == "fxnodes") // per compatibilita' con 1.x e precedenti
		{
			TFxSet fxSet;
			fxSet.loadData(is);
		} else {
			throw TException("TXshLevelColumn, unknown tag: " + tagName);
		}
		is.closeChild();
	}
}

//-----------------------------------------------------------------------------

void TXshLevelColumn::saveData(TOStream &os)
{
	os.child("status") << getStatusWord();
	if (getOpacity() < 255)
		os.child("camerastand_opacity") << (int)getOpacity();
	int r0, r1;
	if (getRange(r0, r1)) {
		os.openChild("cells");
		for (int r = r0; r <= r1; r++) {
			TXshCell cell = getCell(r);
			if (cell.isEmpty())
				continue;
			TFrameId fid = cell.m_frameId;
			int n = 1, inc = 0, dr = fid.getNumber();
			//If fid has not letter save more than one cell and its incrementation; otherwise save one cell.
			if (r < r1 && fid.getLetter() == 0) {
				TXshCell cell2 = getCell(r + 1);
				TFrameId fid2 = cell2.m_frameId;
				if (cell2.m_level.getPointer() == cell.m_level.getPointer() && fid2.getLetter() == 0) {
					inc = cell2.m_frameId.getNumber() - dr;
					n++;
					for (;;) {
						if (r + n > r1)
							break;
						cell2 = getCell(r + n);
						TFrameId fid2 = cell2.m_frameId;
						if (cell2.m_level.getPointer() != cell.m_level.getPointer() || fid2.getLetter() != 0)
							break;
						if (fid2.getNumber() != dr + n * inc)
							break;
						n++;
					}
				}
			}
			os.child("cell") << r << n << cell.m_level.getPointer() << fid.expand() << inc;
			r += n - 1;
		}
		os.closeChild();
	}
	os.child("fx") << m_fx;
}

//-----------------------------------------------------------------------------

PERSIST_IDENTIFIER(TXshLevelColumn, "levelColumn")