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#include "qmessageid_p.h"

#include <QByteArray>

#include <QDataStream>

#include <MAPIUtil.h>

#include <QDebug>

#include <messagingutil_p.h>

QTM_BEGIN_NAMESPACE

#ifdef _WIN32_WCE

QMessageId QMessageIdPrivate::from(const MapiEntryId &storeKey, const MapiEntryId &entryId, const MapiRecordKey &messageKey, const MapiEntryId &folderKey)

{

    QMessageId result;

    if (!result.d_ptr)

        result.d_ptr = new QMessageIdPrivate(&result);

    result.d_ptr->_storeRecordKey = storeKey;

    result.d_ptr->_entryId = entryId;

    result.d_ptr->_folderRecordKey = folderKey;

    result.d_ptr->_messageRecordKey = messageKey;

    return result;

}

MapiEntryId QMessageIdPrivate::storeRecordKey(const QMessageId &id)

{

    if (id.isValid()) {

        return id.d_ptr->_storeRecordKey;

    }

    return MapiEntryId();

}

MapiEntryId QMessageIdPrivate::folderRecordKey(const QMessageId &id)

{

    if (id.isValid()) {

        if (!id.d_ptr->_folderRecordKey.isEmpty()) {

            return id.d_ptr->_folderRecordKey;

        } else {

            // Look up the folder record key for this ID

            QMessageManager::Error ignoredError(QMessageManager::NoError);

            MapiSessionPtr session(MapiSession::createSession(&ignoredError));

            if (ignoredError == QMessageManager::NoError) {

                return session->folderEntryId(&ignoredError, id);

            }

        }

    }

    return MapiEntryId();

}

#else

QMessageId QMessageIdPrivate::from(const MapiRecordKey &storeKey, const MapiEntryId &entryId, const MapiRecordKey &messageKey, const MapiRecordKey &folderKey)

{

    QMessageId result;

    if (!result.d_ptr)

        result.d_ptr = new QMessageIdPrivate(&result);

    result.d_ptr->_storeRecordKey = storeKey;

    result.d_ptr->_entryId = entryId;

    result.d_ptr->_folderRecordKey = folderKey;

    result.d_ptr->_messageRecordKey = messageKey;

    return result;

}

MapiRecordKey QMessageIdPrivate::folderRecordKey(const QMessageId &id)

{

    MapiRecordKey result;

    if (id.isValid()) {

        if (id.d_ptr->_folderRecordKey.isEmpty()) {

            // Look up the folder record key for this ID

            QMessageManager::Error ignoredError(QMessageManager::NoError);

            MapiSessionPtr session(MapiSession::createSession(&ignoredError));

            if (ignoredError == QMessageManager::NoError) {

                id.d_ptr->_folderRecordKey = session->folderRecordKey(&ignoredError, id);

            }

        }

        result = id.d_ptr->_folderRecordKey;

    }

    return result;

}

MapiRecordKey QMessageIdPrivate::storeRecordKey(const QMessageId &id)

{

    if (id.isValid()) {

        return id.d_ptr->_storeRecordKey;

    }

    return MapiRecordKey();

}

#endif

MapiEntryId QMessageIdPrivate::entryId(const QMessageId &id)

{

    if (id.isValid()) {

        return id.d_ptr->_entryId;

    }

    return MapiEntryId();

}

MapiRecordKey QMessageIdPrivate::messageRecordKey(const QMessageId &id)

{

    MapiRecordKey result;

    if (id.isValid()) {

        if (id.d_ptr->_messageRecordKey.isEmpty()) {

            // Look up the message record key for this ID

            QMessageManager::Error ignoredError(QMessageManager::NoError);

            MapiSessionPtr session(MapiSession::createSession(&ignoredError));

            if (ignoredError == QMessageManager::NoError) {

                id.d_ptr->_messageRecordKey = session->messageRecordKey(&ignoredError, id);

            }

        }

        result = id.d_ptr->_messageRecordKey;

    }

    return result;

}

QMessageId::QMessageId()

    : d_ptr(0)

{

}

QMessageId::QMessageId(const QMessageId& other)

    : d_ptr(0)

{

    this->operator=(other);

}

QMessageId::QMessageId(const QString& id)

    : d_ptr(new QMessageIdPrivate(this))

{

	QDataStream idStream(QByteArray::fromBase64(MessagingUtil::stripIdPrefix(id).toLatin1()));

#ifdef _WIN32_WCE

    idStream >> d_ptr->_entryId;

#else

    idStream >> d_ptr->_messageRecordKey;

#endif

    idStream >> d_ptr->_folderRecordKey;

    idStream >> d_ptr->_storeRecordKey;

#ifndef _WIN32_WCE

    QMessageManager::Error ignoredError(QMessageManager::NoError);

    MapiSessionPtr session(MapiSession::createSession(&ignoredError));

    if (ignoredError == QMessageManager::NoError) {

        d_ptr->_entryId = session->messageEntryId(&ignoredError, d_ptr->_storeRecordKey, d_ptr->_folderRecordKey, d_ptr->_messageRecordKey);

    }

#endif

}

QMessageId::~QMessageId()

{

    delete d_ptr;

}

QMessageId& QMessageId::operator=(const QMessageId& other)

{

    if (&other != this) {

        if (other.isValid()) {

            if (!d_ptr) {

                d_ptr = new QMessageIdPrivate(this);

            }

            d_ptr->_messageRecordKey = other.d_ptr->_messageRecordKey;

            d_ptr->_folderRecordKey = other.d_ptr->_folderRecordKey;

            d_ptr->_storeRecordKey = other.d_ptr->_storeRecordKey;

            d_ptr->_entryId = other.d_ptr->_entryId;

        } else {

            delete d_ptr;

            d_ptr = 0;

        }

    }

    return *this;

}

bool QMessageId::operator==(const QMessageId& other) const

{

    if (isValid()) {

        if (other.isValid()) {

            bool result(d_ptr->_storeRecordKey == other.d_ptr->_storeRecordKey);

                if (result) {

                    QMessageManager::Error ignoredError(QMessageManager::NoError);

                    MapiSessionPtr session(MapiSession::createSession(&ignoredError));

                    if (ignoredError == QMessageManager::NoError) {

                        result &= session->equal(d_ptr->_entryId, other.d_ptr->_entryId);

                    } else {

                        result = false;

                        qWarning() << "Unable to compare entry IDs.";

                    }

                }

            return result;

        }

        return false;

    } else {

        return !other.isValid();

    }

}

bool QMessageId::operator<(const QMessageId& other) const

{

    if (d_ptr && other.d_ptr) {

        if (operator==(other)) {

            return false;

        }

        return (d_ptr->_entryId < other.d_ptr->_entryId);

    }

    if (d_ptr) {

        return false;

    } else if (other.d_ptr) {

        return true;

    }

    return false;

}

QString QMessageId::toString() const

{

    if (!isValid())

        return MessagingUtil::addIdPrefix(QString());

#ifndef _WIN32_WCE

    if (d_ptr->_messageRecordKey.isEmpty())

        d_ptr->_messageRecordKey = QMessageIdPrivate::messageRecordKey(*this);

#endif

    if (d_ptr->_folderRecordKey.isEmpty())

        d_ptr->_folderRecordKey = QMessageIdPrivate::folderRecordKey(*this);

    QByteArray encodedId;

    QDataStream encodedIdStream(&encodedId, QIODevice::WriteOnly);

#ifdef _WIN32_WCE

    encodedIdStream << d_ptr->_entryId;

#else

    encodedIdStream << d_ptr->_messageRecordKey;

#endif

    encodedIdStream << d_ptr->_folderRecordKey;

    encodedIdStream << d_ptr->_storeRecordKey;

	return MessagingUtil::addIdPrefix(encodedId.toBase64());

}

bool QMessageId::isValid() const

{

    return (d_ptr && !d_ptr->_storeRecordKey.isEmpty() && !d_ptr->_entryId.isEmpty());

}

uint qHash(const QMessageId &id)

{

    return qHash(id.d_ptr->_storeRecordKey) ^ qHash(id.d_ptr->_entryId);

}

QTM_END_NAMESPACE