/*!
 \file cobject.cpp

*/

#include "cobject.h"

#include "common.h"

#include <QSqlQuery>
#include <QSqlError>


cObject::cObject(qint32 iID, QObject *parent) :
	QObject(parent),
	m_iID(iID),
	m_szName(""),
	m_szType(""),
	m_lpDescription(new cTextDocument(parent)),
	m_bDeleted(false)
{
}

void cObject::setID(const qint32& iID)
{
	m_iID	= iID;
}

qint32 cObject::id()
{
	return(m_iID);
}

void cObject::setName(const QString& szName)
{
	m_szName	= szName;
}

QString cObject::name()
{
	return(m_szName);
}

void cObject::setType(const QString& szType)
{
	m_szType	= szType;
}

QString cObject::type()
{
	return(m_szType);
}

void cObject::setDescription(cTextDocument* lpDescription)
{
	m_lpDescription	= lpDescription;
}

cTextDocument* cObject::description()
{
	return(m_lpDescription);
}

void cObject::setItem(QList<QStandardItem*> itemList)
{
	m_itemList	= itemList;
}

QList<QStandardItem*> cObject::item()
{
	return(m_itemList);
}

void cObject::setDeleted(bool bDeleted)
{
	m_bDeleted	= bDeleted;
}

bool cObject::deleted()
{
	return(m_bDeleted);
}

void cObject::addImage(cImage* lpImage)
{
	m_imageList.append(lpImage);
}

QList<cImage*> cObject::images()
{
	return(m_imageList);
}

cObjectDescription::cObjectDescription(cObject* lpObject, cTextDocument* lpDescription, QObject* parent) :
	QObject(parent)
{
	setObject(lpObject);
	setDescription(lpDescription);
}

void cObjectDescription::setObject(cObject* lpObject)
{
	m_lpObject	= lpObject;
}

cObject* cObjectDescription::object()
{
	return(m_lpObject);
}

void cObjectDescription::setDescription(cTextDocument* lpDescription)
{
	m_lpDescription	= lpDescription;
}

cTextDocument* cObjectDescription::description()
{
	return(m_lpDescription);
}

cObject* cObjectList::add(const qint32& iID)
{
	cObject*	lpObject	= find(iID);

	if(!lpObject)
	{
		lpObject	= new cObject(iID);
		append(lpObject);
	}

	return(lpObject);
}

cObject* cObjectList::find(const qint32& iID)
{
	if(iID == -1)
		return(0);

	for(int x = 0;x < count();x++)
	{
		if(at(x)->id() == iID)
			return(at(x));
	}

	return(0);
}

bool cObjectList::load()
{
	QSqlQuery	query;

	query.prepare("SELECT id, name, type, description FROM object ORDER BY name, type;");
	if(!query.exec())
	{
		myDebug << query.lastError().text();
		return(false);
	}

	while(query.next())
	{
		cObject*	lpObject	= add(query.value("id").toInt());

		lpObject->setName(query.value("name").toString());
		lpObject->setType(query.value("type").toString());
		lpObject->setDescription(blob2TextDocument(query.value("description").toByteArray()));
	}

	query.prepare("SELECT objectID, name, image, description FROM objectImage;");
	if(!query.exec())
	{
		myDebug << query.lastError().text();
		return(false);
	}

	while(query.next())
	{
		cObject*	lpObject	= find(query.value("objectID").toInt());
		if(lpObject)
		{
			cImage*	lpImage	= new cImage;
			lpImage->setName(query.value("name").toString());
			lpImage->setDescription(blob2TextDocument(query.value("description").toByteArray()));
			lpImage->setImage(blob2Image(query.value("image").toByteArray()));
			lpObject->addImage(lpImage);
		}
	}

	return(true);
}

bool cObjectList::save()
{
	QSqlQuery	queryUpdate;
	QSqlQuery	queryInsert;
	QSqlQuery	querySelect;
	QSqlQuery	queryDelete;

	queryUpdate.prepare("UPDATE object SET name=:name, type=:type, description=:description WHERE id=:id;");
	queryInsert.prepare("INSERT INTO object (name, type, description) VALUES (:name, :type, :description);");
	querySelect.prepare("SELECT id FROM object WHERE _rowid_=(SELECT MAX(_rowid_) FROM object);");
	queryDelete.prepare("DELETE FROM object WHERE id=:id;");

	QSqlQuery	imageDelete;
	QSqlQuery	imageAdd;

	imageDelete.prepare("DELETE FROM objectImage WHERE objectID=:objectID;");
	imageAdd.prepare("INSERT INTO objectImage (objectID, name, description, image) VALUES (:objectID, :name, :description, :image);");

	cObjectList::iterator	objectIterator	= begin();

	while(objectIterator != end())
	{
		cObject*	lpObject	= *objectIterator;

		if(lpObject->deleted())
		{
			queryDelete.bindValue(":id", lpObject->id());

			if(!queryDelete.exec())
			{
				myDebug << queryDelete.lastError().text();
				return(false);
			}
			lpObject	= 0;
		}
		else if(lpObject->id() != -1)
		{
			queryUpdate.bindValue(":id", lpObject->id());
			queryUpdate.bindValue(":name", lpObject->name());
			queryUpdate.bindValue(":type", lpObject->type());
			queryUpdate.bindValue(":description",  textDocument2Blob(lpObject->description()));

			if(!queryUpdate.exec())
			{
				myDebug << queryUpdate.lastError().text();
				return(false);
			}
		}
		else
		{
			queryInsert.bindValue(":name", lpObject->name());
			queryInsert.bindValue(":type", lpObject->type());
			queryInsert.bindValue(":description",  textDocument2Blob(lpObject->description()));

			if(!queryInsert.exec())
			{
				myDebug << queryInsert.lastError().text();
				return(false);
			}

			if(!querySelect.exec())
			{
				myDebug << querySelect.lastError().text();
				return(false);
			}
			querySelect.next();
			lpObject->setID(querySelect.value("id").toInt());
		}

		if(!lpObject)
			objectIterator	= erase(objectIterator);
		else
		{
			imageDelete.bindValue(":objectID", lpObject->id());
			if(!imageDelete.exec())
			{
				myDebug << imageDelete.lastError().text();
				return(false);
			}

			QList<cImage*>	images	= lpObject->images();

			for(int x = 0;x < images.count();x++)
			{
				cImage*		lpImage	= images.at(x);

				imageAdd.bindValue(":objectID", lpObject->id());
				imageAdd.bindValue(":name", lpImage->name());
				imageAdd.bindValue(":description", textDocument2Blob(lpImage->description()));
				imageAdd.bindValue(":image", image2Blob(lpImage->image()));
				if(!imageAdd.exec())
				{
					myDebug << imageAdd.lastError().text();
					return(false);
				}
			}
			objectIterator++;
		}
	}

	return(true);
}