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package com.github.wz2cool.dynamic;

import com.github.wz2cool.dynamic.helper.CommonsHelper;
import com.github.wz2cool.dynamic.lambda.GetCommonPropertyFunction;
import org.apache.commons.lang3.ArrayUtils;

/**
 * @author Frank
 **/
public class GroupByQuery extends BaseFilterGroup> {

    final Class tQueryClass;
    final Class tSelectClass;

    /// region select properties

    private String[] selectedProperties = new String[]{};
    private String[] ignoredProperties = new String[]{};

    public String[] getSelectedProperties() {
        return selectedProperties;
    }

    public void setSelectedProperties(String[] selectedProperties) {
        this.selectedProperties = selectedProperties;
    }

    public String[] getIgnoredProperties() {
        return ignoredProperties;
    }

    public void setIgnoredProperties(String[] ignoredProperties) {
        this.ignoredProperties = ignoredProperties;
    }

    @SafeVarargs
    public final GroupByQuery select(GetCommonPropertyFunction... getPropertyFunctions) {
        String[] newSelectProperties = new String[getPropertyFunctions.length];
        for (int i = 0; i < getPropertyFunctions.length; i++) {
            newSelectProperties[i] = CommonsHelper.getPropertyName(getPropertyFunctions[i]);
        }
        this.addSelectedProperties(newSelectProperties);
        return this;
    }

    @SafeVarargs
    public final GroupByQuery ignore(GetCommonPropertyFunction... getPropertyFunctions) {
        String[] newIgnoreProperties = new String[getPropertyFunctions.length];
        for (int i = 0; i < getPropertyFunctions.length; i++) {
            newIgnoreProperties[i] = CommonsHelper.getPropertyName(getPropertyFunctions[i]);
        }
        this.ignoreSelectedProperties(newIgnoreProperties);
        return this;
    }

    public void addSelectedProperties(String... newSelectedProperties) {
        setSelectedProperties(ArrayUtils.addAll(selectedProperties, newSelectedProperties));
    }

    public void ignoreSelectedProperties(String... newIgnoreProperties) {
        setIgnoredProperties(ArrayUtils.addAll(ignoredProperties, newIgnoreProperties));
    }

    /// endregion

    public GroupByQuery(Class tQueryClass, Class tSelectClass) {
        this.tQueryClass = tQueryClass;
        this.tSelectClass = tSelectClass;
    }

    public static  GroupByQuery createQuery(
            Class tQueryClass, Class tSelectClass) {
        return new GroupByQuery<>(tQueryClass, tSelectClass);
    }

    /// region group

    private String[] groupedProperties = new String[]{};

    public String[] getGroupedProperties() {
        return groupedProperties;
    }

    public void setGroupedProperties(String[] groupedProperties) {
        this.groupedProperties = groupedProperties;
    }

    @SafeVarargs
    public final GroupedQuery groupBy(GetCommonPropertyFunction... getPropertyFunctions) {
        String[] groupByProperties = new String[getPropertyFunctions.length];
        for (int i = 0; i < getPropertyFunctions.length; i++) {
            groupByProperties[i] = CommonsHelper.getPropertyName(getPropertyFunctions[i]);
        }
        this.groupedProperties = ArrayUtils.addAll(this.groupedProperties, groupByProperties);
        return new GroupedQuery<>(this);
    }

    /// endregion
}