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#include "qmessagestore.h"

#include "qmessagestore_p.h"

#include "modestengine_maemo_p.h"

#include "telepathyengine_maemo_p.h"

#include "maemohelpers_p.h"

#include "eventloggerengine_maemo_p.h"

QTM_BEGIN_NAMESPACE

class QMessageStorePrivatePlatform

{

public:

    QMessageStorePrivatePlatform(QMessageStorePrivate *d, QMessageStore *q)

        :d_ptr(d), q_ptr(q) {}

    QMessageStorePrivate *d_ptr;

    QMessageStore *q_ptr;

    EventLoggerEngine *el;

};

QMessageStorePrivate::QMessageStorePrivate()

    :q_ptr(0),

     p_ptr(0)

{

}

QMessageStorePrivate::~QMessageStorePrivate()

{

}

void QMessageStorePrivate::initialize(QMessageStore *store)

{ 

    q_ptr = store;

    p_ptr = new QMessageStorePrivatePlatform(this, store);

    p_ptr->el= EventLoggerEngine::instance();

}

void QMessageStorePrivate::messageNotification(QMessageStorePrivate::NotificationType type, const QMessageId& id,

                                               const QMessageManager::NotificationFilterIdSet &matchingFilters)

{

    switch (type) {

    case Added:

        emit q_ptr->messageAdded(id, matchingFilters);

        break;

    case Updated:

        emit q_ptr->messageUpdated(id, matchingFilters);

        break;

    case Removed:

        emit q_ptr->messageRemoved(id, matchingFilters);

        break;

    }

}

Q_GLOBAL_STATIC(QMessageStorePrivate,data);

QMessageStore::QMessageStore(QObject *parent)

    : QObject(parent),

      d_ptr(data())

{

    Q_ASSERT(d_ptr != 0);

    Q_ASSERT(d_ptr->q_ptr == 0); // QMessageStore should be singleton

 //   d_ptr->initialize(this);

    // be sure that singletons are initialized

    EventLoggerEngine::instance();

    TelepathyEngine::instance();

}

QMessageStore::~QMessageStore()

{

    d_ptr = 0; // should be cleaned up by automatically

}

QMessageStore* QMessageStore::instance()

{

    QMessageStorePrivate *d = data();

    Q_ASSERT(d != 0);

    if (!d->q_ptr)

        d->initialize(new QMessageStore());

    return d->q_ptr;

}

QMessageManager::Error QMessageStore::error() const

{

    return QMessageManager::NoError;

}

QMessageIdList QMessageStore::queryMessages(const QMessageFilter &filter, const QMessageSortOrder &sortOrder, uint limit, uint offset) const

{

    QMessageIdList messageIds;

    QMessageFilter handledFilter = filter;

    MessagingHelper::handleNestedFiltersFromMessageFilter(handledFilter);

    bool isFiltered = false;

    bool isSorted = false;

    messageIds = ModestEngine::instance()->queryMessagesSync(handledFilter, sortOrder, limit, offset,

                                                             isFiltered, isSorted);

    messageIds += EventLoggerEngine::instance()->filterAndOrderMessages(handledFilter,sortOrder,QString(),QMessageDataComparator::MatchFlags());

    if (!isFiltered) {

        MessagingHelper::filterMessages(messageIds, handledFilter);

    }

    if (!isSorted) {

        MessagingHelper::orderMessages(messageIds, sortOrder);

    }

    MessagingHelper::applyOffsetAndLimitToMessageIdList(messageIds, limit, offset);

    ModestEngine::instance()->clearHeaderCache();

    return messageIds;

}

QMessageIdList QMessageStore::queryMessages(const QMessageFilter &filter, const QString &body, QMessageDataComparator::MatchFlags matchFlags, const QMessageSortOrder &sortOrder, uint limit, uint offset) const

{

    QMessageIdList messageIds;

    QMessageFilter handledFilter = filter;

    MessagingHelper::handleNestedFiltersFromMessageFilter(handledFilter);

    bool isFiltered = false;

    bool isSorted = false;

    messageIds = ModestEngine::instance()->queryMessagesSync(handledFilter, body, matchFlags, sortOrder,

                                                             limit, offset, isFiltered, isSorted);

    messageIds +=EventLoggerEngine::instance()->filterAndOrderMessages(handledFilter,sortOrder,body,matchFlags);

    if (!isFiltered) {

        MessagingHelper::filterMessages(messageIds, handledFilter);

    }

    if (!isSorted) {

        MessagingHelper::orderMessages(messageIds, sortOrder);

    }

    MessagingHelper::applyOffsetAndLimitToMessageIdList(messageIds, limit, offset);

    ModestEngine::instance()->clearHeaderCache();

    return messageIds;

}

QMessageFolderIdList QMessageStore::queryFolders(const QMessageFolderFilter &filter, const QMessageFolderSortOrder &sortOrder, uint limit, uint offset) const

{

    QMessageFolderIdList folderIds;

    QMessageFolderFilter handledFilter = filter;

    MessagingHelper::handleNestedFiltersFromFolderFilter(handledFilter);

    bool isFiltered = false;

    bool isSorted = false;

    folderIds = ModestEngine::instance()->queryFolders(handledFilter, sortOrder, limit, offset, isFiltered, isSorted);

    if (!isFiltered) {

        MessagingHelper::filterFolders(folderIds, filter);

    }

    if (!isSorted) {

        MessagingHelper::orderFolders(folderIds, sortOrder);

    }

    MessagingHelper::applyOffsetAndLimitToFolderIdList(folderIds, limit, offset);

    return folderIds;

}

QMessageAccountIdList QMessageStore::queryAccounts(const QMessageAccountFilter &filter, const QMessageAccountSortOrder &sortOrder, uint limit, uint offset) const

{

    QMessageAccountIdList accountIds;

    bool isFiltered = false;

    bool isSorted = false;

    accountIds = ModestEngine::instance()->queryAccounts(filter, sortOrder, limit, offset, isFiltered, isSorted);

    if (!isFiltered) {

        MessagingHelper::filterAccounts(accountIds, filter);

    }

    accountIds += TelepathyEngine::instance()->queryAccounts(filter, sortOrder, limit, offset, isFiltered, isSorted);

    if (!isFiltered) {

        MessagingHelper::filterAccounts(accountIds, filter);

    }

    if (!isSorted) {

        MessagingHelper::orderAccounts(accountIds, sortOrder);

    }

    MessagingHelper::applyOffsetAndLimitToAccountIdList(accountIds, limit, offset);

    return accountIds;

}

int QMessageStore::countMessages(const QMessageFilter& filter) const

{

    int count = 0;

    QMessageFilter handledFilter = filter;

    MessagingHelper::handleNestedFiltersFromMessageFilter(handledFilter);

    count += ModestEngine::instance()->countMessagesSync(handledFilter);

    ModestEngine::instance()->clearHeaderCache();

    return count;

}

int QMessageStore::countFolders(const QMessageFolderFilter& filter) const

{

    int count = 0;

    count += ModestEngine::instance()->countFolders(filter);

    return count;

}

int QMessageStore::countAccounts(const QMessageAccountFilter& filter) const

{

    int count = 0;

    count += ModestEngine::instance()->countAccounts(filter);

    count += TelepathyEngine::instance()->countAccounts(filter);

    return count;

}

bool QMessageStore::removeMessage(const QMessageId& id, QMessageManager::RemovalOption option)

{

    if (id.toString().startsWith("MO_")) {

        return ModestEngine::instance()->removeMessage(id, option);

    }

    return EventLoggerEngine::instance()->deleteMessage(id);

}

bool QMessageStore::removeMessages(const QMessageFilter& filter, QMessageManager::RemovalOption option)

{

    QMessageIdList ids = queryMessages(filter, QMessageSortOrder(), 0, 0);

    for (int i=0; i < ids.count(); i++) {

        if (ids[i].toString().startsWith("MO_")) {

            if (!ModestEngine::instance()->removeMessage(ids[i], option)) {

                return false;

            } 

	} else 

	  if(!EventLoggerEngine::instance()->deleteMessage(ids[i]))

	    return false;

    }

    return true;

}

bool QMessageStore::addMessage(QMessage *m)

{

    bool retVal = true;

    QMessageAccountId accountId = m->parentAccountId();

    QMessage::Type msgType = QMessage::NoType;

    // Check message type

    if (m->type() == QMessage::AnyType || m->type() == QMessage::NoType) {

        if (accountId.isValid()) {

            // ParentAccountId was defined => Message type can be read

            // from parent account

            QMessageAccount account = QMessageAccount(accountId);

            QMessage::TypeFlags types = account.messageTypes();

            if (types & QMessage::Sms) {

                msgType = QMessage::Sms;

            } else if (account.messageTypes() & QMessage::InstantMessage) {

                msgType = QMessage::InstantMessage;

            } else if (types & QMessage::Mms) {

                msgType = QMessage::Mms;

            } else if (types & QMessage::Email) {

                msgType = QMessage::Email;

            }

        }

        if (msgType == QMessage::NoType) {

            retVal = false;

        }

    }

    if (retVal) {

        // Check account

        if (!accountId.isValid()) {

            accountId = QMessageAccount::defaultAccount(m->type());

            if (!accountId.isValid()) {

                retVal = false;

            }

        }

    }

    QMessageAccount account(accountId);

    if (retVal) {

        // Check account/message type compatibility

        if (!(account.messageTypes() & m->type()) && (msgType == QMessage::NoType)) {

            retVal = false;

        }

    }

    if (retVal) {

        // Set default account if unset

        if (!m->parentAccountId().isValid()) {

            m->setParentAccountId(accountId);

        }

        if (account.messageTypes() & QMessage::Sms) {

            retVal = false; //TODO:

            qWarning() << "QMessageManager::add not yet implemented for SMS";

        } else if (account.messageTypes() & QMessage::InstantMessage) {

            retVal = false; //TODO:

            qWarning() << "QMessageManager::add not yet implemented for Instant Message";

        } else if (account.messageTypes() & QMessage::Mms) {

            retVal = false; //TODO:

            qWarning() << "QMessageManager::add not yet implemented for MMS";

        } else if (account.messageTypes() & QMessage::Email) {

            retVal = ModestEngine::instance()->addMessage(*m);

        }

    }

    return retVal;

}

bool QMessageStore::updateMessage(QMessage *m)

{

    bool retVal = false;

    if (m->type() == QMessage::Sms) {

        retVal = false; //TODO:

        qWarning() << "QMessageManager::update not yet implemented for SMS";

    } else if (m->type() == QMessage::InstantMessage) {

        retVal = false; //TODO:

        qWarning() << "QMessageManager::update not yet implemented for Instant Message";

    } else if (m->type() == QMessage::Mms) {

        retVal = false; //TODO:

        qWarning() << "QMessageManager::update not yet implemented for Instant MMS";

    } else if (m->type() == QMessage::Email) {

        retVal = ModestEngine::instance()->updateMessage(*m);

    }

    return retVal;

}

QMessage QMessageStore::message(const QMessageId& id) const

{

    if (id.toString().startsWith("MO_")) {

        return ModestEngine::instance()->message(id);

    } else {

        return d_ptr->p_ptr->el->message(id);

    }

}

QMessageFolder QMessageStore::folder(const QMessageFolderId& id) const

{

    if (id.toString().startsWith("MO_")) {

        return ModestEngine::instance()->folder(id);

    }

    return QMessageFolder();

}

QMessageAccount QMessageStore::account(const QMessageAccountId& id) const

{

    if (id.toString().startsWith("MO_")) {

        return ModestEngine::instance()->account(id);

    } else {

        return  TelepathyEngine::instance()->account(id);

    }

}

QMessageManager::NotificationFilterId QMessageStore::registerNotificationFilter(const QMessageFilter &filter)

{

    QMessageManager::NotificationFilterId id = d_ptr->p_ptr->el->registerNotificationFilter(*d_ptr,filter);

    return ModestEngine::instance()->registerNotificationFilter(*data(), filter, id);

}

void QMessageStore::unregisterNotificationFilter(QMessageManager::NotificationFilterId notificationFilterId)

{

    ModestEngine::instance()->unregisterNotificationFilter(notificationFilterId);

    d_ptr->p_ptr->el->unregisterNotificationFilter( notificationFilterId);

}

QTM_END_NAMESPACE