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#include "qmessagecontentcontainerid.h"
#include "qmfhelpers_p.h"
#include <qmailmessage.h>

QTM_BEGIN_NAMESPACE

class QMessageContentContainerIdPrivate
{
public:
    QMailMessagePart::Location _location;
    bool _body;

    QMessageContentContainerIdPrivate() : _body(false) {}
    
    static QMessageContentContainerId convert(const QMailMessagePart::Location &location);
    static QMailMessagePart::Location convert(const QMessageContentContainerId &id);

    static QMessageContentContainerId bodyId(const QMailMessageId &id);
};

QMessageContentContainerId QMessageContentContainerIdPrivate::convert(const QMailMessagePart::Location &location)
{
    QMessageContentContainerId result;
    result.d_ptr->_location = location;
    return result;
}

QMailMessagePart::Location QMessageContentContainerIdPrivate::convert(const QMessageContentContainerId &id)
{
    return id.d_ptr->_location;
}

QMessageContentContainerId QMessageContentContainerIdPrivate::bodyId(const QMailMessageId &id)
{
    QMessageContentContainerId result;
    result.d_ptr->_body = true;

    if (id.isValid()) {
        result.d_ptr->_location.setContainingMessageId(id);
    }

    return result;
}

namespace QmfHelpers {

QMessageContentContainerId convert(const QMailMessagePart::Location &location)
{
    return QMessageContentContainerIdPrivate::convert(location);
}

QMailMessagePart::Location convert(const QMessageContentContainerId &id)
{
    return QMessageContentContainerIdPrivate::convert(id);
}

QMessageContentContainerId bodyId(const QMailMessageId &id)
{
    return QMessageContentContainerIdPrivate::bodyId(id);
}

}

QMessageContentContainerId::QMessageContentContainerId()
    : d_ptr(new QMessageContentContainerIdPrivate)
{
}

QMessageContentContainerId::QMessageContentContainerId(const QMessageContentContainerId& other)
    : d_ptr(new QMessageContentContainerIdPrivate)
{
    this->operator=(other);
}

QMessageContentContainerId::QMessageContentContainerId(const QString& id)
    : d_ptr(new QMessageContentContainerIdPrivate)
{
    QString input(QmfHelpers::stripIdentifierPrefix(id));

    if (input.startsWith("body:")) {
        d_ptr->_body = true;
        input = input.mid(5);
    }

    if (!input.isEmpty()) {
        QMailMessagePart::Location loc(input);
        if (loc.isValid(false) || loc.containingMessageId().isValid()) {
            d_ptr->_location = loc;
        }
    }
}

QMessageContentContainerId::~QMessageContentContainerId()
{
    delete d_ptr;
}

bool QMessageContentContainerId::operator==(const QMessageContentContainerId& other) const
{
    if (isValid()) {
        return (other.isValid() && (toString() == other.toString()));
    } else {
        return !other.isValid();
    }
}

QMessageContentContainerId& QMessageContentContainerId::operator=(const QMessageContentContainerId& other)
{
    if (&other != this) {
        d_ptr->_location = other.d_ptr->_location;
        d_ptr->_body = other.d_ptr->_body;
    }

    return *this;
}

QString QMessageContentContainerId::toString() const
{
    QString location(d_ptr->_location.toString(true));
    if (d_ptr->_body) {
        location.prepend("body:");
    }

    return QmfHelpers::prefixIdentifier(location);
}

bool QMessageContentContainerId::isValid() const
{
    // Either we have a valid part locator, or we indicate a message body
    return (d_ptr->_body || d_ptr->_location.isValid(false));
}

QTM_END_NAMESPACE