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#include "qmessageaccountfilter.h"

#include "qmessageaccountfilter_p.h"

QTM_BEGIN_NAMESPACE

QMessageAccountFilterPrivate::QMessageAccountFilterPrivate(QMessageAccountFilter *accountFilter)

    : q_ptr(accountFilter),

      _operator(Identity),

      _criterion(None),

      _equality(QMessageDataComparator::Equal),

      _inclusion(QMessageDataComparator::Includes),

      _matchFlags(0),

      _valid(true)

{

}

QMessageAccountFilterPrivate::~QMessageAccountFilterPrivate()

{

    foreach(QMessageAccountFilter* filter, _arguments) {

        delete filter;

    }

    _arguments.clear();

}

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

{

    _operator = other._operator;

    _criterion = other._criterion;

    _ids = other._ids;

    _name = other._name;

    _equality = other._equality;

    _inclusion = other._inclusion;

    _matchFlags = other._matchFlags;

    _valid = other._valid;

    foreach(QMessageAccountFilter* filter, _arguments) {

        delete filter;

    }

    _arguments.clear();

    foreach(QMessageAccountFilter* _filter, other._arguments) {

        _arguments.append(new QMessageAccountFilter(*_filter));

    }

    return *this;

}

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

{

    bool result((_operator == other._operator) &&

                (_criterion == other._criterion) &&

                (_ids == other._ids) &&

                (_name == other._name) &&

                (_equality == other._equality) &&

                (_inclusion == other._inclusion) &&

                (_matchFlags == other._matchFlags) &&

                (_valid == other._valid));

    if (!result)

        return false;

    if (_arguments.count() != other._arguments.count())

        result = false;

    for(int i = 0; result && (i < _arguments.count()); ++i) {

        if (*_arguments[i] != *other._arguments[i]) {

            result = false;

            break;

        }

    }

    return result;

}

bool QMessageAccountFilterPrivate::matchesStore(const QMessageAccountFilter &filter, const MapiStorePtr &store)

{

    QMessageAccountFilterPrivate *f(filter.d_ptr);

    bool result;

    bool negate(false);

    switch (f->_operator) {

    case Not: // fall through

    case Nand: // fall through

    case Nor:

        negate = true;

        break;

    default:

        break;

    } // switch

    switch (f->_operator) {

    case Identity: // fall through

    case Not: {

        if ((f->_criterion == IdEquality) || (f->_criterion == IdInclusion)) {

            QMessageAccountId storeId(store->id());

            if (f->_criterion == IdEquality) {

                bool idEqual(storeId == *f->_ids.begin());

                result = (f->_equality == QMessageDataComparator::Equal ? idEqual : !idEqual);

            } else {

                bool idPresent(f->_ids.contains(storeId));

                result = (f->_inclusion == QMessageDataComparator::Includes ? idPresent : !idPresent);

            }

        } else if ((f->_criterion == NameEquality) || (f->_criterion == NameInclusion)) {

            QString storeName(store->name());

            QString fName(f->_name);

            if ((f->_matchFlags & QMessageDataComparator::MatchCaseSensitive) == 0) {

                storeName = storeName.toLower();

                fName = fName.toLower();

            }

            if (f->_criterion == NameEquality) {

                // TODO: Apply matchFlags

                bool nameEqual(storeName == fName);

                result = (f->_equality == QMessageDataComparator::Equal ? nameEqual : !nameEqual);

            } else {

                bool namePartialMatch(storeName.contains(fName));

                result = (f->_inclusion == QMessageDataComparator::Includes ? namePartialMatch : !namePartialMatch);

            }

        } else { // None

            result = (f->_equality == QMessageDataComparator::Equal);

        }

        break;

    }

    case And: // fall through

    case Nand: {

        result = true;

        Q_ASSERT(f->_arguments.count());

        foreach(QMessageAccountFilter *subfilter, f->_arguments) {

            if (!f->matchesStore(*subfilter, store)) {

                result = false;

                break;

            }

        }

        break;

    }

    case Or: // fall through

    case Nor: {

        result = false;

        Q_ASSERT(f->_arguments.count());

        foreach(QMessageAccountFilter *subfilter, f->_arguments) {

            if (f->matchesStore(*subfilter, store)) {

                result = true;

                break;

            }

        }

        break;

    }

    } // switch

    if (negate)

        result = !result;

    return result;

}

QMessageAccountFilter::QMessageAccountFilter()

    : d_ptr(new QMessageAccountFilterPrivate(this))

{

}

QMessageAccountFilter::QMessageAccountFilter(const QMessageAccountFilter &other)

    : d_ptr(new QMessageAccountFilterPrivate(this))

{

    this->operator=(other);

}

QMessageAccountFilter::~QMessageAccountFilter()

{

    delete d_ptr;

}

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

{

    *d_ptr = *other.d_ptr;

    return *this;

}

void QMessageAccountFilter::setMatchFlags(QMessageDataComparator::MatchFlags matchFlags)

{

    d_ptr->_matchFlags = matchFlags;

    d_ptr->_valid = true;

    if (d_ptr->_matchFlags & QMessageDataComparator::MatchFullWord)

        d_ptr->_valid = false; // Not supported

    foreach(QMessageAccountFilter *subfilter, d_ptr->_arguments) {

        subfilter->setMatchFlags(matchFlags);

    }

}

QMessageDataComparator::MatchFlags QMessageAccountFilter::matchFlags() const

{

    return d_ptr->_matchFlags;

}

bool QMessageAccountFilter::isEmpty() const

{

    return ((d_ptr->_operator == QMessageAccountFilterPrivate::Identity) &&

            (d_ptr->_criterion == QMessageAccountFilterPrivate::None) && 

            (d_ptr->_equality == QMessageDataComparator::Equal));

}

bool QMessageAccountFilterPrivate::isNonMatching(const QMessageAccountFilter &filter)

{

    return ((filter.d_ptr->_operator == QMessageAccountFilterPrivate::Not) &&

            (filter.d_ptr->_criterion == QMessageAccountFilterPrivate::None) && 

            (filter.d_ptr->_equality == QMessageDataComparator::Equal));

}

bool QMessageAccountFilter::isSupported() const

{

    return d_ptr->_valid;

}

QMessageAccountFilter QMessageAccountFilter::operator~() const

{

    QMessageAccountFilter result(*this);

    int op = static_cast<int>(d_ptr->_operator) + static_cast<int>(QMessageAccountFilterPrivate::Not);

    op = op % static_cast<int>(QMessageAccountFilterPrivate::OperatorEnd);

    result.d_ptr->_operator = static_cast<QMessageAccountFilterPrivate::Operator>(op);

    return result;

}

QMessageAccountFilter QMessageAccountFilter::operator&(const QMessageAccountFilter& other) const

{

    QMessageAccountFilter result(*this);

    result &= other;

    return result;

}

QMessageAccountFilter QMessageAccountFilter::operator|(const QMessageAccountFilter& other) const

{

    QMessageAccountFilter result(*this);

    result |= other;

    return result;

}

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

{

    if (!d_ptr->_valid || !other.d_ptr->_valid) {

        QMessageAccountFilter result;

        result.d_ptr->_valid = false;

        *this = result;

        return *this;

    }

    if (&other == this)

        return *this;

    if (isEmpty()) {

        *this = other;

        return *this;

    }

    if (other.isEmpty())

        return *this;

    if (QMessageAccountFilterPrivate::isNonMatching(*this)) {

        return *this;

    }

    if (QMessageAccountFilterPrivate::isNonMatching(other)) {

        *this = other;

        return *this;

    }

    if (d_ptr->_operator != QMessageAccountFilterPrivate::And) {

        QMessageAccountFilter result;

        result.d_ptr->_operator = QMessageAccountFilterPrivate::And;

        result.d_ptr->_arguments.append(new QMessageAccountFilter(*this));

        *this = result;

    }

    d_ptr->_arguments.append(new QMessageAccountFilter(other));

    return *this;

}

const QMessageAccountFilter& QMessageAccountFilter::operator|=(const QMessageAccountFilter& other)

{

    if (!d_ptr->_valid || !other.d_ptr->_valid) {

        QMessageAccountFilter result;

        result.d_ptr->_valid = false;

        *this = result;

        return *this;

    }

    if (&other == this)

        return *this;

    if (isEmpty())

        return *this;

    if (other.isEmpty()) {

        *this = other;

        return *this;

    }

    if (QMessageAccountFilterPrivate::isNonMatching(*this)) {

        *this = other;

        return *this;

    }

    if (QMessageAccountFilterPrivate::isNonMatching(other)) {

        return *this;

    }

    if (d_ptr->_operator != QMessageAccountFilterPrivate::Or) {

        QMessageAccountFilter result;

        result.d_ptr->_operator = QMessageAccountFilterPrivate::Or;

        result.d_ptr->_arguments.append(new QMessageAccountFilter(*this));

        *this = result;

    }

    d_ptr->_arguments.append(new QMessageAccountFilter(other));

    return *this;

}

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

{

    return (*d_ptr == *other.d_ptr);

}

QMessageAccountFilter QMessageAccountFilter::byId(const QMessageAccountId &id, QMessageDataComparator::EqualityComparator cmp)

{

    QMessageAccountFilter result;

    result.d_ptr->_ids.insert(id);

    result.d_ptr->_equality = cmp;

    result.d_ptr->_criterion = QMessageAccountFilterPrivate::IdEquality;

    return result;

}

QMessageAccountFilter QMessageAccountFilter::byId(const QMessageAccountIdList &ids, QMessageDataComparator::InclusionComparator cmp)

{

    QMessageAccountFilter result;

    result.d_ptr->_ids = ids.toSet();

    result.d_ptr->_inclusion = cmp;

    result.d_ptr->_criterion = QMessageAccountFilterPrivate::IdInclusion;

    return result;

}

QMessageAccountFilter QMessageAccountFilter::byId(const QMessageAccountFilter &filter, QMessageDataComparator::InclusionComparator cmp)

{

    QMessageAccountFilter result;

    *result.d_ptr = *filter.d_ptr;

    if (cmp == QMessageDataComparator::Excludes) {

        result = ~result;

    }

    return result;

}

QMessageAccountFilter QMessageAccountFilter::byName(const QString &value, QMessageDataComparator::EqualityComparator cmp)

{

    QMessageAccountFilter result;

    result.d_ptr->_name = value;

    result.d_ptr->_equality = cmp;

    result.d_ptr->_criterion = QMessageAccountFilterPrivate::NameEquality;

    return result;

}

QMessageAccountFilter QMessageAccountFilter::byName(const QString &value, QMessageDataComparator::InclusionComparator cmp)

{

    QMessageAccountFilter result;

    result.d_ptr->_name = value;

    result.d_ptr->_inclusion = cmp;

    result.d_ptr->_criterion = QMessageAccountFilterPrivate::NameInclusion;

    return result;

}

QTM_END_NAMESPACE