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/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the LGPL, Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at  http://www.gnu.org/licenses/lgpl-3.0.html
 *
 * 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 com.jn.sqlhelper.springjdbc.spring.boot.autoconfigure;

import com.jn.langx.util.reflect.Reflects;
import com.jn.sqlhelper.springjdbc.JdbcTemplate;
import com.jn.sqlhelper.springjdbc.JdbcTemplatePaginationProperties;
import com.jn.sqlhelper.springjdbc.NamedParameterJdbcTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations;

import javax.sql.DataSource;


@Configuration
@ConditionalOnClass({DataSource.class, JdbcTemplate.class})
@ConditionalOnSingleCandidate(DataSource.class)
@AutoConfigureAfter(DataSourceAutoConfiguration.class)
@EnableConfigurationProperties(SpringJdbcTemplateProperties.class)
public class JdbcTemplateAutoConfiguration {
    private static final Logger logger = LoggerFactory.getLogger(JdbcTemplateAutoConfiguration.class);

    @Bean
    @ConditionalOnMissingBean
    @Primary
    public JdbcTemplate jdbcTemplate(DataSource dataSource, SpringJdbcTemplateProperties properties) {
        JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);

        JdbcTemplateNativeProperties templateConfig = properties.getTemplate();
        jdbcTemplate.setFetchSize(templateConfig.getFetchSize());
        jdbcTemplate.setMaxRows(templateConfig.getMaxRows());
        jdbcTemplate.setQueryTimeout(templateConfig.getQueryTimeout());

        JdbcTemplatePaginationProperties paginationProperties = properties.getPagination();
        jdbcTemplate.setPaginationConfig(paginationProperties);

        jdbcTemplate.setInstrumentConfig(properties.getInstrumentor());
        if (logger.isInfoEnabled()) {
            logger.info("Initial Spring JdbcTemplate [{}] with configuration: {}", Reflects.getFQNClassName(JdbcTemplate.class), properties);
        }
        return jdbcTemplate;
    }

    @Bean
    @Primary
    @ConditionalOnSingleCandidate(JdbcTemplate.class)
    @ConditionalOnMissingBean(NamedParameterJdbcOperations.class)
    public NamedParameterJdbcTemplate namedParameterJdbcTemplate(JdbcTemplate jdbcTemplate) {
        return new NamedParameterJdbcTemplate(jdbcTemplate);
    }

}