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package org.netbeans.lib.profiler.common.filters;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;


/**
 *
 * @author Tomas Hurka
 * @author  Jiri Sedlacek
 */
public final class DefinedFilterSets {
    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private final List definedFilterSets;

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    /** Creates a new instance of DefinedFilterSets */
    public DefinedFilterSets() {
        definedFilterSets = new ArrayList();
    }

    public DefinedFilterSets(final DefinedFilterSets filterSets) {
        this();
        setValuesFrom(filterSets);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public FilterSet getFilterSet(final String filterSetName) {
        final int filterSetIndex = getFilterSetIndex(filterSetName);

        if (filterSetIndex == -1) {
            return null;
        }

        return getFilterSetAt(filterSetIndex);
    }

    public FilterSet getFilterSetAt(final int index) {
        return (FilterSet) definedFilterSets.get(index);
    }

    public int getFilterSetIndex(final String filterSetName) {
        for (int i = 0; i < definedFilterSets.size(); i++) {
            if (getFilterSetAt(i).getFilterSetName().equals(filterSetName)) {
                return i;
            }
        }

        return -1;
    }

    public int getFilterSetsCount() {
        return definedFilterSets.size();
    }

    public void setValuesFrom(final DefinedFilterSets filterSets) {
        definedFilterSets.clear();

        for (int i = 0; i < filterSets.getFilterSetsCount(); i++) {
            definedFilterSets.add(new FilterSet(filterSets.getFilterSetAt(i)));
        }
    }

    public void addFilterSet(final FilterSet filterSet) {
        if (filterSet == null) {
            return;
        }

        definedFilterSets.add(filterSet);
    }

    public void clear() {
        definedFilterSets.clear();
    }

    public String debug() {
        final StringBuffer sb = new StringBuffer();

        sb.append("DefinedFilterSets:"); //NOI18N
        sb.append("\n"); //NOI18N

        for (int i = 0; i < definedFilterSets.size(); i++) {
            sb.append(((FilterSet) definedFilterSets.get(i)).debug());
            sb.append("\n"); //NOI18N
        }

        return sb.toString();
    }

    public DefinedFilterSets load(final Map props) {
        clear();

        int index = 0;

        while (props.get("FilterSet-" + index + "-name") != null) { //NOI18N
            addFilterSet(new FilterSet().load(props, index));
            index++;
        }

        return this;
    }

    public void moveFilterSetDown(final int index) {
        if (index > (definedFilterSets.size() - 2)) {
            return;
        }

        final FilterSet filterSet = (FilterSet) definedFilterSets.remove(index);
        definedFilterSets.add(index + 1, filterSet);
    }

    public void moveFilterSetUp(final int index) {
        if (index < 1) {
            return;
        }

        final FilterSet filterSet = (FilterSet) definedFilterSets.remove(index);
        definedFilterSets.add(index - 1, filterSet);
    }

    public void removeFilterSet(final FilterSet filterSet) {
        if (filterSet == null) {
            return;
        }

        definedFilterSets.remove(filterSet);
    }

    public void removeFilterSet(final int index) {
        definedFilterSets.remove(index);
    }

    public void store(final Map props) {
        for (int i = 0; i < definedFilterSets.size(); i++) {
            ((FilterSet) definedFilterSets.get(i)).store(props, i);
        }
    }
}
