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/*
 * Copyright 2016-2020 the original author or 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 org.springframework.data.cassandra.repository.query;

import java.util.Collection;
import java.util.Iterator;
import java.util.Optional;

import org.springframework.data.cassandra.core.convert.CassandraConverter;
import org.springframework.data.cassandra.core.cql.QueryOptions;
import org.springframework.data.cassandra.core.mapping.CassandraPersistentProperty;
import org.springframework.data.cassandra.core.mapping.CassandraType;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.lang.Nullable;

import com.datastax.oss.driver.api.core.type.DataType;

/**
 * Custom {@link org.springframework.data.repository.query.ParameterAccessor} that uses a {@link CassandraConverter} to
 * convert parameters.
 *
 * @author Mark Paluch
 * @see org.springframework.data.cassandra.repository.query.ConvertingParameterAccessor
 * @since 1.5
 */
class ConvertingParameterAccessor implements CassandraParameterAccessor {

	private final CassandraConverter converter;

	private final CassandraParameterAccessor delegate;

	ConvertingParameterAccessor(CassandraConverter converter, CassandraParameterAccessor delegate) {

		this.converter = converter;
		this.delegate = delegate;
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#getPageable()
	 */
	@Override
	public Pageable getPageable() {
		return this.delegate.getPageable();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#getSort()
	 */
	@Override
	public Sort getSort() {
		return this.delegate.getSort();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#getDynamicProjection()
	 */
	@Override
	public Optional> getDynamicProjection() {
		return this.delegate.getDynamicProjection();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#findDynamicProjection()
	 */
	@Nullable
	@Override
	public Class findDynamicProjection() {
		return this.delegate.findDynamicProjection();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#getBindableValue(int)
	 */
	@Override
	public Object getBindableValue(int index) {
		return potentiallyConvert(index, this.delegate.getBindableValue(index), null);
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#findCassandraType(int)
	 */
	@Override
	public CassandraType findCassandraType(int index) {
		return this.delegate.findCassandraType(index);
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getDataType(int)
	 */
	@Override
	public DataType getDataType(int index) {
		return this.delegate.getDataType(index);
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getParameterType(int)
	 */
	@Override
	public Class getParameterType(int index) {
		return this.delegate.getParameterType(index);
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getQueryOptions()
	 */
	@Nullable
	@Override
	public QueryOptions getQueryOptions() {
		return this.delegate.getQueryOptions();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#hasBindableNullValue()
	 */
	@Override
	public boolean hasBindableNullValue() {
		return this.delegate.hasBindableNullValue();
	}

	/* (non-Javadoc)
	 * @see org.springframework.data.repository.query.ParameterAccessor#iterator()
	 */
	public Iterator