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/*
 * Copyright 2017-2021 original authors
 *
 * 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.
 */
package io.micronaut.data.runtime.operations.internal.query;

import io.micronaut.aop.InvocationContext;
import io.micronaut.core.annotation.Internal;
import io.micronaut.data.annotation.TypeRole;
import io.micronaut.data.exceptions.DataAccessException;
import io.micronaut.data.model.runtime.PreparedQuery;
import io.micronaut.data.model.runtime.QueryParameterBinding;
import io.micronaut.data.model.runtime.RuntimePersistentEntity;
import io.micronaut.data.model.runtime.StoredQuery;
import io.micronaut.data.runtime.query.internal.DefaultPreparedQuery;
import io.micronaut.data.runtime.query.internal.DelegatePreparedQuery;
import io.micronaut.data.runtime.query.internal.DelegateStoredQuery;

import java.util.Map;
import java.util.Optional;

/**
 * Implementation of {@link BindableParametersPreparedQuery}.
 *
 * @param  The entity type
 * @param  The result type
 * @author Denis Stepanov
 * @since 3.8.0
 */
@Internal
public class DefaultBindableParametersPreparedQuery implements BindableParametersPreparedQuery, DelegatePreparedQuery {

    protected final PreparedQuery preparedQuery;
    protected final InvocationContext invocationContext;
    protected final BindableParametersStoredQuery storedQuery;

    public DefaultBindableParametersPreparedQuery(PreparedQuery preparedQuery) {
        this.preparedQuery = preparedQuery;
        this.invocationContext = ((DefaultPreparedQuery) preparedQuery).getContext();
        this.storedQuery = unwrap(((DefaultPreparedQuery) preparedQuery).getStoredQueryDelegate());
    }

    public DefaultBindableParametersPreparedQuery(PreparedQuery preparedQuery,
                                                  InvocationContext invocationContext,
                                                  BindableParametersStoredQuery storedQuery) {
        this.preparedQuery = preparedQuery;
        this.invocationContext = invocationContext;
        this.storedQuery = storedQuery;
    }

    private static  BindableParametersStoredQuery unwrap(StoredQuery storedQuery) {
        if (storedQuery instanceof BindableParametersStoredQuery bindableParametersStoredQuery) {
            return bindableParametersStoredQuery;
        }
        if (storedQuery instanceof DelegateStoredQuery) {
            return unwrap(storedQuery);
        }
        throw new DataAccessException("Cannot unwrap BindableParametersStoredQuery");
    }

    @Override
    public RuntimePersistentEntity getPersistentEntity() {
        return storedQuery.getPersistentEntity();
    }

    @Override
    public PreparedQuery getPreparedQueryDelegate() {
        return preparedQuery;
    }

    @Override
    public void bindParameters(Binder binder, E entity, Map previousValues) {
        storedQuery.bindParameters(binder, this.invocationContext, entity, previousValues);
    }

    @Override
    public void bindParameters(Binder binder, InvocationContext invocationContext, E entity, Map previousValues) {
        storedQuery.bindParameters(binder, this.invocationContext, entity, previousValues);
    }

    @Override
    public void bindParameters(Binder binder) {
        Optional