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#include "qmessageaccountfilter.h"

#include "qmessageaccountfilter_p.h"

QTM_BEGIN_NAMESPACE

QMessageAccountFilterPrivate::QMessageAccountFilterPrivate(QMessageAccountFilter *accountFilter)

 : q_ptr(accountFilter)

{

}

QMessageAccountFilterPrivate::~QMessageAccountFilterPrivate()

{

}

bool QMessageAccountFilterPrivate::lessThan(const QMessageAccountFilter filter1, const QMessageAccountFilter filter2)

{

    if (filter1.d_ptr->_field == filter2.d_ptr->_field) {

        if (filter1.d_ptr->_comparatorType == filter2.d_ptr->_comparatorType) {

            return filter1.d_ptr->_comparatorValue < filter2.d_ptr->_comparatorValue;

        }

        return filter1.d_ptr->_comparatorType < filter2.d_ptr->_comparatorType;

    }

    return filter1.d_ptr->_field < filter2.d_ptr->_field;

}

void QMessageAccountFilterPrivate::changeComparatorValuesToOpposite(QMessageAccountFilter& filter)

{

    if (filter.d_ptr->_filterList.count() == 0) {

        if (filter.d_ptr->_comparatorType == QMessageAccountFilterPrivate::Equality) {

            QMessageDataComparator::EqualityComparator cmp(static_cast<QMessageDataComparator::EqualityComparator>(filter.d_ptr->_comparatorValue));

            if (cmp == QMessageDataComparator::Equal) {

                filter.d_ptr->_comparatorValue = static_cast<int>(QMessageDataComparator::NotEqual);

            } else {

                filter.d_ptr->_comparatorValue = static_cast<int>(QMessageDataComparator::Equal);

            }

        } else { // Inclusion

            QMessageDataComparator::InclusionComparator cmp(static_cast<QMessageDataComparator::InclusionComparator>(filter.d_ptr->_comparatorValue));

            if (cmp == QMessageDataComparator::Includes) {

                filter.d_ptr->_comparatorValue = static_cast<int>(QMessageDataComparator::Excludes);

            } else { // Excludes

                filter.d_ptr->_comparatorValue = static_cast<int>(QMessageDataComparator::Includes);

            }

        }

    } else {

        for (int i=0; i < filter.d_ptr->_filterList.count(); i++) {

            for (int j=0; j < filter.d_ptr->_filterList[i].count(); j++) {

                QMessageAccountFilterPrivate::changeComparatorValuesToOpposite(filter.d_ptr->_filterList[i][j]);

            }

        }

    }

}

void QMessageAccountFilterPrivate::changeANDsAndORsToOpposite(QMessageAccountFilter& filter)

{

    if (filter.d_ptr->_filterList.count() > 0) {

        QMessageAccountFilter oldFilter = filter;

        filter.d_ptr->_filterList.clear();

        for (int i=0; i < oldFilter.d_ptr->_filterList.count(); i++) {

            if (i == 0) {

                for (int j=0; j < oldFilter.d_ptr->_filterList[i].count(); j++) {

                    if (j == 0) {

                        filter.d_ptr->_filterList.append(QMessageAccountFilterPrivate::SortedMessageAccountFilterList());

                        filter.d_ptr->_filterList[0] << QMessageAccountFilter(oldFilter.d_ptr->_filterList[i][j]);

                    } else {

                        filter |= oldFilter.d_ptr->_filterList[i][j];

                    }

                }

            } else {

                QMessageAccountFilter tempFilter;

                for (int j=0; j < oldFilter.d_ptr->_filterList[i].count(); j++) {

                    if (j == 0) {

                        tempFilter = oldFilter.d_ptr->_filterList[i][j];

                    } else {

                        tempFilter |= oldFilter.d_ptr->_filterList[i][j];

                    }

                }

                filter &= tempFilter;

            }

        }

        for (int i=0; i < filter.d_ptr->_filterList.count(); i++) {

            qSort(filter.d_ptr->_filterList[i].begin(), filter.d_ptr->_filterList[i].end(), QMessageAccountFilterPrivate::lessThan);

        }

    }

}

void QMessageAccountFilterPrivate::applyNot(QMessageAccountFilter& filter)

{

    QMessageAccountFilterPrivate::changeComparatorValuesToOpposite(filter);

    QMessageAccountFilterPrivate::changeANDsAndORsToOpposite(filter);

}

bool QMessageAccountFilterPrivate::filter(const QMessageAccount &messageAccount, const QMessageAccountFilterPrivate &filter)

{

    if ((filter._field == QMessageAccountFilterPrivate::None) &&

        (filter._filterList.count() == 0)) {

        if (filter._notFilter) {

            return false;

        } else {

            return true;

        }

    }

    Qt::CaseSensitivity caseSensitivity = (filter._matchFlags & QMessageDataComparator::MatchCaseSensitive) ? Qt::CaseSensitive : Qt::CaseInsensitive;

    switch (filter._field) {

    case QMessageAccountFilterPrivate::Id:

        {

        if (filter._comparatorType == QMessageAccountFilterPrivate::Equality) {

            QMessageDataComparator::EqualityComparator cmp(static_cast<QMessageDataComparator::EqualityComparator>(filter._comparatorValue));

            if (cmp == QMessageDataComparator::Equal) {

                                if (messageAccount.id().toString() == filter._value.toString()) {

                    return true;

                }

            } else { // NotEqual

                                if (!(messageAccount.id().toString() == filter._value.toString())) {

                    return true;

                }

            }

        } else if (filter._comparatorType == QMessageAccountFilterPrivate::Inclusion) {

            QMessageDataComparator::InclusionComparator cmp(static_cast<QMessageDataComparator::InclusionComparator>(filter._comparatorValue));

            if (cmp == QMessageDataComparator::Includes) {

                if (filter._ids.contains(messageAccount.id())) {

                    return true;

                }

            } else { // Excludes

                if (!filter._ids.contains(messageAccount.id())) {

                    return true;

                }

            }

        }

        break;

        }

    case QMessageAccountFilterPrivate::Name:

        {

        if (filter._comparatorType == QMessageAccountFilterPrivate::Equality) {

            QMessageDataComparator::EqualityComparator cmp(static_cast<QMessageDataComparator::EqualityComparator>(filter._comparatorValue));

            if (cmp == QMessageDataComparator::Equal) {

                                if (messageAccount.name().compare(filter._value.toString(),caseSensitivity) == 0) {

                    return true;

                }

            } else { // NotEqual

                                if (messageAccount.name().compare(filter._value.toString(),caseSensitivity) != 0) {

                    return true;

                }

            }

        } else if (filter._comparatorType == QMessageAccountFilterPrivate::Inclusion) {

            QMessageDataComparator::InclusionComparator cmp(static_cast<QMessageDataComparator::InclusionComparator>(filter._comparatorValue));

            if (cmp == QMessageDataComparator::Includes) {

                if (messageAccount.name().contains(filter._value.toString(),caseSensitivity)) {

                    return true;

                }

            } else { // Excludes

            if (!messageAccount.name().contains(filter._value.toString(),caseSensitivity)) {

                    return true;

                }

            }

        }

        break;

        }

    case QMessageAccountFilterPrivate::None:

        break;

    }

    return false;

}

bool QMessageAccountFilterPrivate::filter(const QMessageAccount &messageAccount) const

{

    if (!_valid) {

        return false;

    }

    bool result = false;

    if (_filterList.count() == 0) {

        result = QMessageAccountFilterPrivate::filter(messageAccount, *this);

    } else {

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

            for (int j=0; j < _filterList[i].count(); j++) {

                result = QMessageAccountFilterPrivate::filter(messageAccount, *_filterList[i][j].d_ptr);

                if (result == false) {

                    break;

                }

            }

            if (result == true) {

                break;

            }

        }

    }

    return result;

}

QMessageAccountFilterPrivate* QMessageAccountFilterPrivate::implementation(const QMessageAccountFilter &filter)

{

    return filter.d_ptr;

}

QMessageAccountFilter::QMessageAccountFilter()

 : d_ptr(new QMessageAccountFilterPrivate(this))

{

        d_ptr->_matchFlags = 0;

        d_ptr->_valid = true; // Empty filter is valid

        d_ptr->_notFilter = false;

        d_ptr->_ids = QMessageAccountIdList();

        d_ptr->_value = QVariant();

        d_ptr->_field = QMessageAccountFilterPrivate::None;

        d_ptr->_comparatorType = QMessageAccountFilterPrivate::Equality;

        d_ptr->_comparatorValue = 0;

}

QMessageAccountFilter::QMessageAccountFilter(const QMessageAccountFilter &other)

 : d_ptr(new QMessageAccountFilterPrivate(this))

{

    this->operator=(other);

}

QMessageAccountFilter::~QMessageAccountFilter()

{

    delete d_ptr;

}

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

{

    if (&other == this)

        return *this;

    d_ptr->_matchFlags = other.d_ptr->_matchFlags;

    d_ptr->_valid = other.d_ptr->_valid;

    d_ptr->_notFilter = other.d_ptr->_notFilter;

    d_ptr->_ids = other.d_ptr->_ids;

    d_ptr->_value = other.d_ptr->_value;

    d_ptr->_field = other.d_ptr->_field;

    d_ptr->_comparatorType = other.d_ptr->_comparatorType;

    d_ptr->_comparatorValue = other.d_ptr->_comparatorValue;

    d_ptr->_filterList = other.d_ptr->_filterList;

    return *this;

}

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

{

    d_ptr->_matchFlags = matchFlags;

}

QMessageDataComparator::MatchFlags QMessageAccountFilter::matchFlags() const

{

    return d_ptr->_matchFlags;

}

bool QMessageAccountFilter::isEmpty() const

{

    return ((d_ptr->_field == QMessageAccountFilterPrivate::None) &&

                (d_ptr->_notFilter == false) &&

            (d_ptr->_filterList.count()) == 0);

}

bool QMessageAccountFilter::isSupported() const

{

    return d_ptr->_valid;

}

QMessageAccountFilter QMessageAccountFilter::operator~() const

{

    QMessageAccountFilter result(*this);

    if (result.isEmpty()) {

                result.d_ptr->_notFilter = true;

    } else {

                if (result.d_ptr->_notFilter) {

                        result.d_ptr->_notFilter = false;

                } else {

                        QMessageAccountFilterPrivate::applyNot(result);

                }

    }

    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 (&other == this) {

        return *this;

    }

    if (isEmpty()) {

        *this = other;

        return *this;

    }

    if (other.isEmpty()) {

        return *this;

    }

        if (d_ptr->_notFilter) {

                return *this;

        }

        if (other.d_ptr->_notFilter) {

                *this = other;

                return *this;

        }

    if (d_ptr->_filterList.count() == 0) {

        QMessageAccountFilter newFilter = QMessageAccountFilter(*this);

        d_ptr->_filterList.append(QMessageAccountFilterPrivate::SortedMessageAccountFilterList());

        d_ptr->_filterList[0] << newFilter;

        d_ptr->_value = QVariant();

        d_ptr->_field = QMessageAccountFilterPrivate::None;

        d_ptr->_comparatorType = QMessageAccountFilterPrivate::Equality;

        d_ptr->_comparatorValue = 0;

    }

    int i = 0;

    while (i < d_ptr->_filterList.count()) {

        if (other.d_ptr->_filterList.count() == 0) {

            d_ptr->_filterList[i] << other;

            qSort(d_ptr->_filterList[i].begin(), d_ptr->_filterList[i].end(), QMessageAccountFilterPrivate::lessThan);

        } else {

            int j = 0;

            int k = i;

            while (j < other.d_ptr->_filterList.count()) {

                if (j+1 < other.d_ptr->_filterList.count()) {

                    d_ptr->_filterList.insert(k+j+1,QMessageAccountFilterPrivate::SortedMessageAccountFilterList());

                    d_ptr->_filterList[k+j+1] << d_ptr->_filterList[k+j];

                    i++;

                }

                d_ptr->_filterList[k+j] << other.d_ptr->_filterList[j];

                if (d_ptr->_filterList[k+j].count() > 1) {

                    qSort(d_ptr->_filterList[k+j].begin(), d_ptr->_filterList[k+j].end(), QMessageAccountFilterPrivate::lessThan);

                }

                j++;

            }

        }

        i++;

    }

    d_ptr->_valid = d_ptr->_valid & other.d_ptr->_valid;

    return *this;

}

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

{

    if (&other == this) {

        return *this;

    }

    if (isEmpty()) {

        return *this;

    }

    if (other.isEmpty()) {

        *this = other;

        return *this;

    }

        if (d_ptr->_notFilter) {

                *this = other;

                return *this;

        }

        if (other.d_ptr->_notFilter) {

                return *this;

        }

    if (d_ptr->_filterList.count() == 0) {

        QMessageAccountFilter newFilter = QMessageAccountFilter(*this);

        d_ptr->_filterList.append(QMessageAccountFilterPrivate::SortedMessageAccountFilterList());

        d_ptr->_filterList[d_ptr->_filterList.count()-1] << newFilter;

        d_ptr->_value = QVariant();

        d_ptr->_field = QMessageAccountFilterPrivate::None;

        d_ptr->_comparatorType = QMessageAccountFilterPrivate::Equality;

        d_ptr->_comparatorValue = 0;

    }

    if (other.d_ptr->_filterList.count() == 0) {

        d_ptr->_filterList.append(QMessageAccountFilterPrivate::SortedMessageAccountFilterList());

        d_ptr->_filterList[d_ptr->_filterList.count()-1] << other;

    } else {

        d_ptr->_filterList << other.d_ptr->_filterList;

    }

    d_ptr->_valid = d_ptr->_valid & other.d_ptr->_valid;

    return *this;

}

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

{

    if (d_ptr->_filterList.count() != other.d_ptr->_filterList.count()) {

        return false;

    }

    if (d_ptr->_filterList.count() == 0) {

        return (d_ptr->_notFilter == other.d_ptr->_notFilter &&

                        d_ptr->_field == other.d_ptr->_field &&

                d_ptr->_value == other.d_ptr->_value &&

                d_ptr->_ids == other.d_ptr->_ids &&

                d_ptr->_comparatorType == other.d_ptr->_comparatorType &&

                d_ptr->_comparatorValue == other.d_ptr->_comparatorValue);

    } else { // List

        for (int i=0; i < d_ptr->_filterList.count(); i++) {

            if (d_ptr->_filterList[i].count() != other.d_ptr->_filterList[i].count()) {

                return false;

            }

            for (int j=0; j < d_ptr->_filterList[i].count(); j++) {

                if (!(d_ptr->_filterList[i][j] == other.d_ptr->_filterList[i][j])) {

                    return false;

                }

            }

        }

    }

    return true;

}

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

{

    QMessageAccountFilter result;

    result.d_ptr->_field = QMessageAccountFilterPrivate::Id;

    result.d_ptr->_value = id.toString();

    result.d_ptr->_comparatorType = QMessageAccountFilterPrivate::Equality;

    result.d_ptr->_comparatorValue = static_cast<int>(cmp);

    result.d_ptr->_valid = true;

    return result;

}

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

{

    QMessageAccountFilter result;

    result.d_ptr->_field = QMessageAccountFilterPrivate::Id;

    result.d_ptr->_ids = ids;

    result.d_ptr->_comparatorType = QMessageAccountFilterPrivate::Inclusion;

    result.d_ptr->_comparatorValue = static_cast<int>(cmp);

    result.d_ptr->_valid = true;

    return result;

}

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

{

    QMessageAccountFilter result;

    *result.d_ptr = *filter.d_ptr;

    if (cmp == QMessageDataComparator::Excludes) {

        // Invert the sense of comparison

        result = ~result;

    }

    return result;

}

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

{

    QMessageAccountFilter result;

    result.d_ptr->_field = QMessageAccountFilterPrivate::Name;

    result.d_ptr->_value = value;

    result.d_ptr->_comparatorType = QMessageAccountFilterPrivate::Equality;

    result.d_ptr->_comparatorValue = static_cast<int>(cmp);

    result.d_ptr->_valid = true;

    return result;

}

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

{

    QMessageAccountFilter result;

    result.d_ptr->_field = QMessageAccountFilterPrivate::Name;

    result.d_ptr->_value = value;

    result.d_ptr->_comparatorType = QMessageAccountFilterPrivate::Inclusion;

    result.d_ptr->_comparatorValue = static_cast<int>(cmp);

    result.d_ptr->_valid = true;

    return result;

}

QTM_END_NAMESPACE