/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt Mobility Components.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

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****************************************************************************/

#include "qmessage.h"

#include "qmessage_p.h"

#include "qmessageid_p.h"

#include "qmessageaccountid_p.h"

#include "qmessagemanager.h"

#include "qmessagecontentcontainer_p.h"

#include "qmessagefolderid_p.h"

#include "winhelpers_p.h"

#include <QCoreApplication>

#include <QDebug>

#include <QDir>

#include <QFile>

QTM_BEGIN_NAMESPACE

namespace {

QByteArray charsetFor(const QString &input)

{

    QByteArray result(QMessage::preferredCharsetFor(input));

    if (result.isEmpty()) {

        result = "UTF-16";

    }

    return result;

}

}

QMessage QMessagePrivate::from(const QMessageId &id)

{

    QMessage result;

    result.d_ptr->_id = id;

    result.d_ptr->_parentAccountId = QMessageAccountIdPrivate::from(QMessageIdPrivate::storeRecordKey(id));

    return result;

}

QString QMessagePrivate::senderName(const QMessage &message)

{

    return message.d_ptr->_senderName;

}

void QMessagePrivate::setSenderName(const QMessage &message, const QString &senderName)

{

    message.d_ptr->_senderName = senderName;

}

void QMessagePrivate::setSize(const QMessage &message, int size)

{

    message.d_ptr->_size = size;

}

void QMessagePrivate::setParentFolderId(QMessage& message, const QMessageFolderId& id)

{

    message.d_ptr->_parentFolderId = id;

    message.d_ptr->_modified = true;

}

void QMessagePrivate::setStandardFolder(QMessage& message, QMessage::StandardFolder sf)

{

    message.d_ptr->_standardFolder = sf;

    message.d_ptr->_modified = true;

}

void QMessagePrivate::ensurePropertiesPresent(QMessage *msg) const

{

    if (!_elementsPresent.properties && _id.isValid()) {

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

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

        if (!session.isNull()) {

            session->updateMessageProperties(&ignoredError, msg);

        }

    }

}

void QMessagePrivate::ensureRecipientsPresent(QMessage *msg) const

{

    if (!_elementsPresent.recipients && _id.isValid()) {

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

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

        if (!session.isNull()) {

            session->updateMessageRecipients(&ignoredError, msg);

        }

    }

}

void QMessagePrivate::ensureBodyPresent(QMessage *msg) const

{

    if (!_elementsPresent.body && _id.isValid()) {

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

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

        if (!session.isNull()) {

            session->updateMessageBody(&ignoredError, msg);

        }

    }

}

void QMessagePrivate::ensureAttachmentsPresent(QMessage *msg) const

{

    if (!_elementsPresent.attachments && _id.isValid()) {

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

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

        if (!session.isNull()) {

            session->updateMessageAttachments(&ignoredError, msg);

        }

    }

}

QMessage::QMessage()

    :

    QMessageContentContainer(),

    d_ptr(new QMessagePrivate(this))

{

    d_ptr->_modified = false;

    d_ptr->_size = 0;

    setDerivedMessage(this);

}

QMessage::QMessage(const QMessageId& id)

    :

    QMessageContentContainer(),

    d_ptr(new QMessagePrivate(this))

{

    *this = QMessageManager().message(id);

    setDerivedMessage(this);

}

QMessage::QMessage(const QMessage &other)

    :

    QMessageContentContainer(other),

    d_ptr(new QMessagePrivate(this))

{

    this->operator=(other);

    setDerivedMessage(this);

}

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

{

    if (&other != this) {

        QMessageContentContainer::operator=(other);

        *d_ptr = *other.d_ptr;

        setDerivedMessage(this);

    }

    return *this;

}

QMessage::~QMessage()

{

    delete d_ptr;

    d_ptr = 0;

}

QMessageId QMessage::id() const

{

    return d_ptr->_id;

}

QMessage::Type QMessage::type() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_type;

}

void QMessage::setType(Type t)

{

    d_ptr->_modified = true;

    d_ptr->_type = t;

}

QMessageAccountId QMessage::parentAccountId() const

{

    return d_ptr->_parentAccountId;

}

void QMessage::setParentAccountId(const QMessageAccountId &accountId)

{

    d_ptr->_modified = true;

    d_ptr->_parentAccountId = accountId;

}

QMessageFolderId QMessage::parentFolderId() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_parentFolderId;

}

QMessage::StandardFolder QMessage::standardFolder() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_standardFolder;

}

QMessageAddress QMessage::from() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_from;

}

void QMessage::setFrom(const QMessageAddress &address)

{

    d_ptr->_modified = true;

    d_ptr->_from = address;

}

QString QMessage::subject() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_subject;

}

void QMessage::setSubject(const QString &s)

{

    d_ptr->_modified = true;

    d_ptr->_subject = s;

}

QDateTime QMessage::date() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_date;

}

void QMessage::setDate(const QDateTime &d)

{

    d_ptr->_modified = true;

    d_ptr->_date = d;

}

QDateTime QMessage::receivedDate() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_receivedDate;

}

void QMessage::setReceivedDate(const QDateTime &d)

{

    d_ptr->_modified = true;

    d_ptr->_receivedDate = d;

}

QMessageAddressList QMessage::to() const

{

    d_ptr->ensureRecipientsPresent(const_cast<QMessage*>(this));

    return d_ptr->_to;

}

void QMessage::setTo(const QMessageAddressList& toList)

{

    d_ptr->_modified = true;

    d_ptr->_to = toList;

}

void QMessage::setTo(const QMessageAddress& address)

{

    d_ptr->_modified = true;

    d_ptr->_to = QMessageAddressList() << address;

}

QMessageAddressList QMessage::cc() const

{

    d_ptr->ensureRecipientsPresent(const_cast<QMessage*>(this));

    return d_ptr->_cc;

}

void QMessage::setCc(const QMessageAddressList& ccList)

{

    d_ptr->_modified = true;

    d_ptr->_cc = ccList;

}

QMessageAddressList QMessage::bcc() const

{

    d_ptr->ensureRecipientsPresent(const_cast<QMessage*>(this));

    return d_ptr->_bcc;

}

void QMessage::setBcc(const QMessageAddressList& bccList)

{

    d_ptr->_modified = true;

    d_ptr->_bcc = bccList;

}

QMessage::StatusFlags QMessage::status() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_status;

}

void QMessage::setStatus(QMessage::StatusFlags newStatus)

{

    d_ptr->_modified = true;

    d_ptr->_status = newStatus;

}

void QMessage::setStatus(QMessage::Status flag, bool set)

{

    d_ptr->_modified = true;

    if (set) {

        d_ptr->_status |= flag;

    } else {

        d_ptr->_status &= ~flag;

    }

}

QMessage::Priority QMessage::priority() const

{

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    return d_ptr->_priority;

}

void QMessage::setPriority(Priority newPriority)

{

    d_ptr->_modified = true;

    d_ptr->_priority = newPriority;

}

int QMessage::size() const

{

    int size = 0;

    d_ptr->ensurePropertiesPresent(const_cast<QMessage*>(this));

    if (d_ptr->_size != 0) {

        size = d_ptr->_size;

    } else {

        QMessageContentContainerPrivate *container(((QMessageContentContainer *)(this))->d_ptr);

        if (container->_size != 0) {

            size += ((container->_size / 1024) + 1) * 1024;

        }

        foreach (const QMessageContentContainer &attachment, container->_attachments) {

            // Round size to a multiple of 1KB

            size += ((attachment.size() / 1024) + 1) * 1024;

        }

        // Allow for header

        size += 1024;

    }

    return size;

}

QMessageContentContainerId QMessage::bodyId() const

{

    d_ptr->ensureBodyPresent(const_cast<QMessage*>(this));

    return d_ptr->_bodyId;

}

void QMessage::setBody(const QString &bodyText, const QByteArray &mimeType)

{

    QByteArray mainType("text");

    QByteArray subType("plain");

    QByteArray charset;

    int index = mimeType.indexOf("/");

    if (index != -1) {

        mainType = mimeType.left(index).trimmed();

        subType = mimeType.mid(index + 1).trimmed();

        index = subType.indexOf(";");

        if (index != -1) {

             QString remainder = subType.mid(index + 1);

            subType = subType.left(index).trimmed();

            QRegExp charsetPattern("charset=(\\S+)");

            index = charsetPattern.indexIn(remainder);

            if (index != -1) {

                charset = charsetPattern.cap(1).toLatin1();

            }

       }

    }

    if (charset.isEmpty()) {

        charset = charsetFor(bodyText);

    }

    QMessageContentContainerPrivate *container(((QMessageContentContainer *)(this))->d_ptr);

    QMessageContentContainerId existingBodyId(bodyId());

    if (existingBodyId.isValid()) {

        if (existingBodyId == container->bodyContentId()) {

            // The body content is in the message itself

            container->setContent(bodyText, mainType, subType, charset);

        } else {

            // The body content is in the first attachment

            QMessageContentContainerPrivate *attachmentContainer(container->attachment(existingBodyId)->d_ptr);

            attachmentContainer->setContent(bodyText, mainType, subType, charset);

        }

    } else {

        if (container->_attachments.isEmpty()) {

            // Put the content directly into the message

            container->setContent(bodyText, mainType, subType, charset);

            d_ptr->_bodyId = container->bodyContentId();

        } else {

            // Add the body as the first attachment

            QMessageContentContainer newBody;

            newBody.d_ptr->setContent(bodyText, mainType, subType, charset);

            d_ptr->_bodyId = container->prependContent(newBody);

        }

    }

}

void QMessage::setBody(QTextStream &in, const QByteArray &mimeType)

{

    setBody(in.readAll(), mimeType);

}

QMessageContentContainerIdList QMessage::attachmentIds() const

{

    d_ptr->ensureAttachmentsPresent(const_cast<QMessage*>(this));

    QMessageContentContainerIdList result;

    QMessageContentContainerId bodyId(bodyId());

    foreach (const QMessageContentContainerId &contentId, contentIds()) {

        if (contentId != bodyId) {

            result.append(contentId);

        }

    }

    return result;

}

void QMessage::appendAttachments(const QStringList &fileNames)

{

    if (!fileNames.isEmpty()) {

        d_ptr->_modified = true;

        QMessageContentContainerPrivate *container(((QMessageContentContainer *)(this))->d_ptr);

        if (container->_attachments.isEmpty()) {

            QMessageContentContainerId existingBodyId(bodyId());

            if (existingBodyId == container->bodyContentId()) {

                // The body content is in the message itself - move it to become the first attachment

                QMessageContentContainer newBody(*this);

                newBody.setDerivedMessage(0);

                container->setContentType("multipart", "mixed", "");

                d_ptr->_bodyId = container->prependContent(newBody);

            } else {

                // This message is now multipart

                container->setContentType("multipart", "mixed", "");

            }

            container->_available = true;

        }

        foreach (const QString &filename, fileNames) {

            QMessageContentContainer attachment;

            if (attachment.d_ptr->createAttachment(filename)) {

                container->appendContent(attachment);

            }

        }

        bool haveAttachments = !container->_attachments.isEmpty();

        setStatus(QMessage::HasAttachments,haveAttachments);

    }

}

void QMessage::clearAttachments()

{

    d_ptr->_modified = true;

    QMessageContentContainerPrivate *container(((QMessageContentContainer *)(this))->d_ptr);

    container->_attachments.clear();

    bool haveAttachments = !container->_attachments.isEmpty();

    setStatus(QMessage::HasAttachments,haveAttachments);

}

bool QMessage::isModified() const

{

    return d_ptr->_modified;

}

QMessage QMessage::createResponseMessage(ResponseType type) const

{

    QMessage response;

    response.setType(this->type());

    if (type == Forward) {

        response.setSubject("Fwd:" + subject());

        if (contentType().toLower() == "text") {

            // Forward the text content inline

            QStringList addresses;

            foreach (const QMessageAddress &address, to()) {

                addresses.append(address.addressee());