/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Other licenses:
 * -----------------------------------------------------------------------------
 * Commercial licenses for this work are available. These replace the above
 * Apache-2.0 license and offer limited warranties, support, maintenance, and
 * commercial database integrations.
 *
 * For more information, please visit: https://www.jooq.org/legal/licensing
 *
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 *
 *
 *
 *
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 *
 */
package org.jooq.impl;

// ...
import static org.jooq.impl.Names.N_XMLATTRIBUTES;
import static org.jooq.impl.Tools.isSimple;
import static org.jooq.impl.Tools.unalias;
import static org.jooq.impl.Tools.BooleanDataKey.DATA_AS_REQUIRED;
import static org.jooq.impl.XMLElement.xmlCastMapper;

import java.util.Collection;
import java.util.Collections;
import java.util.function.BiFunction;
import java.util.function.Predicate;

import org.jooq.Context;
import org.jooq.Field;
import org.jooq.Function1;
import org.jooq.QueryPart;
// ...
// ...
import org.jooq.XMLAttributes;
import org.jooq.impl.QOM.UnmodifiableList;

/**
 * @author Lukas Eder
 */
final class XMLAttributesImpl extends AbstractQueryPart implements XMLAttributes {

    static final XMLAttributes      EMPTY = new XMLAttributesImpl(Collections.emptyList());
    final SelectFieldList<Field<?>> attributes;

    XMLAttributesImpl(Collection<? extends Field<?>> attributes) {
        this.attributes = new SelectFieldList<>(attributes);
    }

    @Override
    public final void accept(Context<?> ctx) {







        boolean format = ctx.format() && (
              attributes.size() > 1
           || attributes.size() == 1 && !isSimple(ctx, unalias(attributes.get(0)))
        );

        ctx.data(DATA_AS_REQUIRED, true, c -> {
            c.visit(N_XMLATTRIBUTES).sql('(');

            if (format)
                c.formatIndentStart().formatNewLine();

            c.declareFields(true, x -> x.visit(new SelectFieldList<>(attributes).map(xmlCastMapper(ctx))));

            if (format)
                c.formatIndentEnd().formatNewLine();

            c.sql(')');
        });
    }

    // -------------------------------------------------------------------------
    // XXX: Query Object Model
    // -------------------------------------------------------------------------

    @Override
    public final UnmodifiableList<? extends Field<?>> $attributes() {
        return QOM.unmodifiable(attributes);
    }














}
