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/*
 * 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 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.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.Set;



/**
 * The LTRIM statement.
 */
@SuppressWarnings({ "rawtypes", "unchecked", "unused" })
final class Ltrim
extends
    AbstractField
implements
    QOM.Ltrim
{

    final Field string;
    final Field characters;

    Ltrim(
        Field string
    ) {
        super(
            N_LTRIM,
            allNotNull(VARCHAR, string)
        );

        this.string = nullSafeNotNull(string, VARCHAR);
        this.characters = null;
    }

    Ltrim(
        Field string,
        Field characters
    ) {
        super(
            N_LTRIM,
            allNotNull(VARCHAR, string, characters)
        );

        this.string = nullSafeNotNull(string, VARCHAR);
        this.characters = nullSafeNotNull(characters, VARCHAR);
    }

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



    @Override
    public final void accept(Context ctx) {







        if (characters == null) {
            switch (ctx.family()) {
                case FIREBIRD:
                    ctx.visit(N_TRIM).sql('(').visit(K_LEADING).sql(' ').visit(K_FROM).sql(' ').visit(string).sql(')');
                    break;

                default:
                    ctx.visit(function(N_LTRIM, getDataType(), string));
                    break;
            }
        }
        else {
            switch (ctx.family()) {



                case SQLITE:
                    ctx.visit(function(N_LTRIM, getDataType(), string, characters));
                    break;

                default:
                    ctx.visit(N_TRIM).sql('(').visit(K_LEADING).sql(' ').visit(characters).sql(' ').visit(K_FROM).sql(' ').visit(string).sql(')');
                    break;
            }
        }
    }
















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

    @Override
    public final Field $arg1() {
        return string;
    }

    @Override
    public final Field $arg2() {
        return characters;
    }

    @Override
    public final QOM.Ltrim $arg1(Field newValue) {
        return $constructor().apply(newValue, $arg2());
    }

    @Override
    public final QOM.Ltrim $arg2(Field newValue) {
        return $constructor().apply($arg1(), newValue);
    }

    @Override
    public final Function2, ? super Field, ? extends QOM.Ltrim> $constructor() {
        return (a1, a2) -> new Ltrim(a1, a2);
    }

    // -------------------------------------------------------------------------
    // XXX: The Object API
    // -------------------------------------------------------------------------

    @Override
    public boolean equals(Object that) {
        if (that instanceof QOM.Ltrim o) {
            return
                StringUtils.equals($string(), o.$string()) &&
                StringUtils.equals($characters(), o.$characters())
            ;
        }
        else
            return super.equals(that);
    }
}