/*
 * 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
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */
package org.jooq.impl;

import static org.jooq.impl.DSL.*;
import static org.jooq.impl.Internal.*;
import static org.jooq.impl.Keywords.*;
import static org.jooq.impl.Names.*;
import static org.jooq.impl.SQLDataType.*;
import static org.jooq.impl.Tools.*;
import static org.jooq.impl.Tools.BooleanDataKey.*;
import static org.jooq.impl.Tools.ExtendedDataKey.*;
import static org.jooq.impl.Tools.SimpleDataKey.*;
import static org.jooq.SQLDialect.*;

import org.jooq.*;
import org.jooq.Function1;
import org.jooq.Record;
import org.jooq.conf.ParamType;
import org.jooq.tools.StringUtils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;



/**
 * The <code>CREATE TYPE</code> statement.
 */
@SuppressWarnings({ "hiding", "rawtypes", "unused" })
final class CreateTypeImpl
extends
    AbstractDDLQuery
implements
    QOM.CreateType,
    CreateTypeStep,
    CreateTypeFinalStep
{

    final Type<?>                                    type;
    final boolean                                    ifNotExists;
          QueryPartListView<? extends Field<String>> values;
          QueryPartListView<? extends Field<?>>      attributes;

    CreateTypeImpl(
        Configuration configuration,
        Type<?> type,
        boolean ifNotExists
    ) {
        this(
            configuration,
            type,
            ifNotExists,
            null,
            null
        );
    }

    CreateTypeImpl(
        Configuration configuration,
        Type<?> type,
        boolean ifNotExists,
        Collection<? extends Field<String>> values,
        Collection<? extends Field<?>> attributes
    ) {
        super(configuration);

        this.type = type;
        this.ifNotExists = ifNotExists;
        this.values = new QueryPartList<>(values);
        this.attributes = new QueryPartList<>(attributes);
    }

    // -------------------------------------------------------------------------
    // XXX: DSL API
    // -------------------------------------------------------------------------

    @Override
    public final CreateTypeImpl asEnum(String... values) {
        return asEnum(Tools.fields(values));
    }

    @Override
    public final CreateTypeImpl asEnum(Field<String>... values) {
        return asEnum(Arrays.asList(values));
    }

    @Override
    public final CreateTypeImpl asEnum(Collection<? extends Field<String>> values) {
        this.values = new QueryPartList<>(values);
        return this;
    }

    @Override
    public final CreateTypeImpl asEnum() {
        return this;
    }

    @Override
    public final CreateTypeImpl as(Field<?>... attributes) {
        return as(Arrays.asList(attributes));
    }

    @Override
    public final CreateTypeImpl as(Collection<? extends Field<?>> attributes) {
        this.attributes = new QueryPartList<>(attributes);
        return this;
    }

    // -------------------------------------------------------------------------
    // XXX: QueryPart API
    // -------------------------------------------------------------------------



    private static final Set<SQLDialect> NO_SUPPORT_IF_NOT_EXISTS = SQLDialect.supportedUntil(POSTGRES, YUGABYTEDB);

    private final boolean supportsIfNotExists(Context<?> ctx) {
        return !NO_SUPPORT_IF_NOT_EXISTS.contains(ctx.dialect());
    }

    @Override
    public final void accept(Context<?> ctx) {
        if (ifNotExists && !supportsIfNotExists(ctx))
            tryCatch(ctx, DDLStatementType.CREATE_TYPE, c -> accept0(c));
        else
            accept0(ctx);
    }

    private final void accept0(Context<?> ctx) {
        ctx.visit(K_CREATE).sql(' ');






        ctx.visit(K_TYPE).sql(' ');

        if (ifNotExists && supportsIfNotExists(ctx))
            ctx.visit(K_IF_NOT_EXISTS).sql(' ');

        ctx.visit(type).sql(' ');




        ctx.visit(K_AS).sql(' ');

        if (!values.isEmpty()) {
            ctx.visit(K_ENUM).sql(" (")
               .visit(values, ParamType.INLINED)
               .sql(')');
        }
        else {
            switch (ctx.family()) {
                case DUCKDB:
                    ctx.visit(K_STRUCT).sql(' ');
                    break;






            }

            ctx.sql('(').visit(
                new QueryPartList<Field<?>>(attributes).map(f -> declare(f)),
                ParamType.INLINED
            ).sql(')');
        }
    }

    private static final <T> Field<T> declare(Field<T> f) {
        return CustomField.of(f.getUnqualifiedName(), f.getDataType(), c -> {
            c.visit(f.getUnqualifiedName());
            c.sql(' ');
            Tools.toSQLDDLTypeDeclarationForAddition(c, null, f.getDataType());
        });
    }



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

    @Override
    public final Type<?> $type() {
        return type;
    }

    @Override
    public final boolean $ifNotExists() {
        return ifNotExists;
    }

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

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

    @Override
    public final QOM.CreateType $type(Type<?> newValue) {
        return $constructor().apply(newValue, $ifNotExists(), $values(), $attributes());
    }

    @Override
    public final QOM.CreateType $ifNotExists(boolean newValue) {
        return $constructor().apply($type(), newValue, $values(), $attributes());
    }

    @Override
    public final QOM.CreateType $values(Collection<? extends Field<String>> newValue) {
        return $constructor().apply($type(), $ifNotExists(), newValue, $attributes());
    }

    @Override
    public final QOM.CreateType $attributes(Collection<? extends Field<?>> newValue) {
        return $constructor().apply($type(), $ifNotExists(), $values(), newValue);
    }

    public final Function4<? super Type<?>, ? super Boolean, ? super Collection<? extends Field<String>>, ? super Collection<? extends Field<?>>, ? extends QOM.CreateType> $constructor() {
        return (a1, a2, a3, a4) -> new CreateTypeImpl(configuration(), a1, a2, (Collection<? extends Field<String>>) a3, (Collection<? extends Field<?>>) a4);
    }


























}
