/**
 * 文件名：@PersistConfiguration.java <br/>
 * 包名：tv.acfun.base.configuration <br/>
 * 项目名：acfun-base-provider <br/>
 * @author xtwin <br/>
 */
package cn.efunbox.manage.base.configuration;

import com.alibaba.druid.pool.DruidDataSource;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.cache.CacheManager;
import org.springframework.context.EnvironmentAware;
import org.springframework.context.annotation.Bean;
import org.springframework.core.env.Environment;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.*;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import javax.sql.DataSource;

/**
 * 类名：PersistConfiguration  <br />
 *
 * 功能：持久化相关配置
 *
 * @author xtwin <br />
 * 创建时间：2016年7月26日 上午9:56:48  <br />
 * @version 2016年7月26日
 */
@EntityScan(basePackages={"cn.efunbox.manage.base.entity"})
public class PersistConfiguration implements EnvironmentAware {
	
	// 日志记录器
	private static final Logger logger = LoggerFactory.getLogger(PersistConfiguration.class);
	
	// 应用环境信息
	private Environment environment;

	//缓存管理器
	@Bean
	public CacheManager cacheManager(@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
		RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
		//设置缓存过期时间
		cacheManager.setDefaultExpiration(10000);
		return cacheManager;
	}
	@Bean(name="redisTemplate")
	public RedisTemplate<String, Object> redisTemplate(JedisConnectionFactory factory){
		String index = environment.getProperty("spring.redis.database", "0");
		RedisTemplate<String, Object> template = new RedisTemplate<>();
		template.setConnectionFactory(factory);
		factory.setDatabase(Integer.parseInt(index));

		Jackson2JsonRedisSerializer jackson2JsonRedisSerializer=new Jackson2JsonRedisSerializer(Object.class);
		ObjectMapper om=new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);
		template.setKeySerializer(new StringRedisSerializer());
		template.setValueSerializer(jackson2JsonRedisSerializer);
		template.setDefaultSerializer(jackson2JsonRedisSerializer);
		template.setHashValueSerializer(jackson2JsonRedisSerializer);
		template.setHashKeySerializer(new StringRedisSerializer());
		template.afterPropertiesSet();
		return template;
	}

	/**
	 * 实例化 HashOperations 对象,可以使用 Hash 类型操作
	 *
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public HashOperations<String, String, Object> hashOperations(RedisTemplate redisTemplate) {
		return redisTemplate.opsForHash();
	}

	/**
	 * 实例化 ValueOperations 对象,可以使用 String 操作
	 *
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public ValueOperations<String, Object> valueOperations(RedisTemplate redisTemplate) {
		return redisTemplate.opsForValue();
	}

	/**
	 * 实例化 ListOperations 对象,可以使用 List 操作
	 *
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public ListOperations<String, Object> listOperations(RedisTemplate redisTemplate) {
		return redisTemplate.opsForList();
	}

	/**
	 * 实例化 SetOperations 对象,可以使用 Set 操作
	 *
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public SetOperations<String, Object> setOperations(RedisTemplate redisTemplate) {
		return redisTemplate.opsForSet();
	}

	/**
	 * 实例化 ZSetOperations 对象,可以使用 ZSet 操作
	 *
	 * @param redisTemplate
	 * @return
	 */
	@Bean
	public ZSetOperations<String, Object> zSetOperations(RedisTemplate redisTemplate) {
		return redisTemplate.opsForZSet();
	}

	/**
	 * 功能：创建数据源 <br/>
	 *
	 * @author xtwin <br/>
	 * @version 2016年7月27日 上午10:00:02 <br/>
	 */
	protected DataSource createDataSource(String prefix) throws Exception {
		
		// 创建属性解析器，用于读取配置信息
		RelaxedPropertyResolver resolver = new RelaxedPropertyResolver(environment, prefix);
		
		// 创建数据源对象
		DruidDataSource dataSource = new DruidDataSource();
		
		// 数据库连接url
		dataSource.setUrl(resolver.getRequiredProperty("spring.datasource.url"));
		// 用户名
		dataSource.setUsername(resolver.getRequiredProperty("spring.datasource.username"));
		// 密码
		dataSource.setPassword(resolver.getRequiredProperty("spring.datasource.password"));
		// 驱动
		dataSource.setDriverClassName(resolver.getProperty("spring.datasource.driver-class-name"));
		// 连接池初始大小
		dataSource.setInitialSize(resolver.getProperty("initial_size", int.class, dataSource.getInitialSize()));
		// 连接池最小空闲大小
		dataSource.setMinIdle(resolver.getProperty("min_idle", int.class, dataSource.getMinIdle()));
		// 连接池最大连接数
		dataSource.setMaxActive(resolver.getProperty("max_active", int.class, dataSource.getMaxActive()));
		// 连接最大等待时间
		dataSource.setMaxWait(resolver.getProperty("max_wait", long.class, dataSource.getMaxWait()));
		// 在连接池空闲时，测试连接是否可以
		dataSource.setTestWhileIdle(resolver.getProperty("test_while_idle", boolean.class, dataSource.isTestWhileIdle()));
		// 在连接池空闲时，测试连接是否可以
		dataSource.setTestOnBorrow(resolver.getProperty("test_on_borrow", boolean.class, dataSource.isTestOnBorrow()));
		// 在连接池空闲时，测试连接语句
		dataSource.setValidationQuery(resolver.getRequiredProperty("validation_query"));
		return dataSource;
	}

	/**
	 * 功能: 由spring注入环境信息 <br/>
	 * 
	 * 重写：xtwin <br/>
	 * 
	 * @version ：2016年7月27日 上午10:02:15<br/>
	 * 
	 * @param environment <br/>
	 * @see EnvironmentAware#setEnvironment(Environment)
	 */
	@Override
	public void setEnvironment(Environment environment) {
		this.environment = environment;
	}
}