package com.ruoyi.framework.config;

import cn.hutool.core.util.ObjectUtil;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.config.properties.RedissonProperties;
import lombok.extern.slf4j.Slf4j;
import org.redisson.Redisson;
import org.redisson.api.RedissonClient;
import org.redisson.codec.JsonJacksonCodec;
import org.redisson.config.Config;
import org.redisson.spring.cache.CacheConfig;
import org.redisson.spring.cache.RedissonSpringCacheManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * redis配置
 *
 * @author Lion Li
 */
@Slf4j
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

	private static final String REDIS_PROTOCOL_PREFIX = "redis://";
	private static final String REDISS_PROTOCOL_PREFIX = "rediss://";

	@Autowired
	private RedisProperties redisProperties;

	@Autowired
	private RedissonProperties redissonProperties;

	@Bean(destroyMethod = "shutdown")
	@ConditionalOnMissingBean(RedissonClient.class)
	public RedissonClient redisson() throws IOException {
		String prefix = REDIS_PROTOCOL_PREFIX;
		if (redisProperties.isSsl()) {
			prefix = REDISS_PROTOCOL_PREFIX;
		}
		Config config = new Config();
		config.setThreads(redissonProperties.getThreads())
			.setNettyThreads(redissonProperties.getNettyThreads())
			.setCodec(JsonJacksonCodec.INSTANCE)
			.setTransportMode(redissonProperties.getTransportMode());

		RedissonProperties.SingleServerConfig singleServerConfig = redissonProperties.getSingleServerConfig();
		if (ObjectUtil.isNotNull(singleServerConfig)) {
			// 使用单机模式
			config.useSingleServer()
					.setAddress(prefix + redisProperties.getHost() + ":" + redisProperties.getPort())
					.setConnectTimeout(((Long) redisProperties.getTimeout().toMillis()).intValue())
					.setDatabase(redisProperties.getDatabase())
					.setPassword(StringUtils.isNotBlank(redisProperties.getPassword()) ? redisProperties.getPassword() : null)
					.setTimeout(singleServerConfig.getTimeout())
					.setRetryAttempts(singleServerConfig.getRetryAttempts())
					.setRetryInterval(singleServerConfig.getRetryInterval())
					.setSubscriptionsPerConnection(singleServerConfig.getSubscriptionsPerConnection())
					.setClientName(singleServerConfig.getClientName())
					.setIdleConnectionTimeout(singleServerConfig.getIdleConnectionTimeout())
					.setSubscriptionConnectionMinimumIdleSize(singleServerConfig.getSubscriptionConnectionMinimumIdleSize())
					.setSubscriptionConnectionPoolSize(singleServerConfig.getSubscriptionConnectionPoolSize())
					.setConnectionMinimumIdleSize(singleServerConfig.getConnectionMinimumIdleSize())
					.setConnectionPoolSize(singleServerConfig.getConnectionPoolSize())
					.setDnsMonitoringInterval(singleServerConfig.getDnsMonitoringInterval());
		}
		// 集群配置方式 参考下方注释
		RedissonProperties.ClusterServersConfig clusterServersConfig = redissonProperties.getClusterServersConfig();
		if (ObjectUtil.isNotNull(clusterServersConfig)) {
			// 使用集群模式
			config.useClusterServers()
					.setConnectTimeout(((Long) redisProperties.getTimeout().toMillis()).intValue())
					.setPassword(StringUtils.isNotBlank(redisProperties.getPassword()) ? redisProperties.getPassword() : null)
					.setTimeout(clusterServersConfig.getTimeout())
					.setRetryAttempts(clusterServersConfig.getRetryAttempts())
					.setRetryInterval(clusterServersConfig.getRetryInterval())
					.setSubscriptionsPerConnection(clusterServersConfig.getSubscriptionsPerConnection())
					.setClientName(clusterServersConfig.getClientName())
					.setIdleConnectionTimeout(clusterServersConfig.getIdleConnectionTimeout())
					.setPingConnectionInterval(clusterServersConfig.getPingConnectionInterval())
					.setSubscriptionConnectionMinimumIdleSize(clusterServersConfig.getSubscriptionConnectionMinimumIdleSize())
					.setSubscriptionConnectionPoolSize(clusterServersConfig.getSubscriptionConnectionPoolSize())
					.setMasterConnectionMinimumIdleSize(clusterServersConfig.getMasterConnectionMinimumIdleSize())
					.setMasterConnectionPoolSize(clusterServersConfig.getMasterConnectionPoolSize())
					.setSlaveConnectionMinimumIdleSize(clusterServersConfig.getSlaveConnectionMinimumIdleSize())
					.setSlaveConnectionPoolSize(clusterServersConfig.getSlaveConnectionPoolSize())
					.setDnsMonitoringInterval(clusterServersConfig.getDnsMonitoringInterval())
					.setFailedSlaveReconnectionInterval(clusterServersConfig.getFailedSlaveReconnectionInterval())
					.setScanInterval(clusterServersConfig.getScanInterval())
					.setReadMode(clusterServersConfig.getReadMode())
					.setSubscriptionMode(clusterServersConfig.getSubscriptionMode())
					.setNodeAddresses(redisProperties.getCluster().getNodes());
		}
		RedissonClient redissonClient = Redisson.create(config);
		log.info("初始化 redis 配置");
		return redissonClient;
	}

	/**
	 * 整合spring-cache
	 */
	@Bean
	public CacheManager cacheManager(RedissonClient redissonClient) {
		List<RedissonProperties.CacheGroup> cacheGroup = redissonProperties.getCacheGroup();
		Map<String, CacheConfig> config = new HashMap<>();
		for (RedissonProperties.CacheGroup group : cacheGroup) {
			CacheConfig cacheConfig = new CacheConfig(group.getTtl(), group.getMaxIdleTime());
			cacheConfig.setMaxSize(group.getMaxSize());
			config.put(group.getGroupId(), cacheConfig);
		}
		return new RedissonSpringCacheManager(redissonClient, config, JsonJacksonCodec.INSTANCE);
	}

	/**
	 * redis集群配置 yml
	 *
	 * --- # redis 集群配置(单机与集群只能开启一个另一个需要注释掉)
	 * spring:
	 *   redis:
	 *     cluster:
	 *       nodes:
	 *         - 192.168.0.100:6379
	 *         - 192.168.0.101:6379
	 *         - 192.168.0.102:6379
	 *     # 密码
	 *     password:
	 *     # 连接超时时间
	 *     timeout: 10s
	 *     # 是否开启ssl
	 *     ssl: false
	 *
	 * redisson:
	 *   # 线程池数量
	 *   threads: 16
	 *   # Netty线程池数量
	 *   nettyThreads: 32
	 *   # 传输模式
	 *   transportMode: "NIO"
	 *   # 集群配置
	 *   clusterServersConfig:
	 *     # 客户端名称
	 *     clientName: ${ruoyi.name}
	 *     # master最小空闲连接数
	 *     masterConnectionMinimumIdleSize: 32
	 *     # master连接池大小
	 *     masterConnectionPoolSize: 64
	 *     # slave最小空闲连接数
	 *     slaveConnectionMinimumIdleSize: 32
	 *     # slave连接池大小
	 *     slaveConnectionPoolSize: 64
	 *     # 连接空闲超时，单位：毫秒
	 *     idleConnectionTimeout: 10000
	 *     # ping连接间隔
	 *     pingConnectionInterval: 1000
	 *     # 命令等待超时，单位：毫秒
	 *     timeout: 3000
	 *     # 如果尝试在此限制之内发送成功，则开始启用 timeout 计时。
	 *     retryAttempts: 3
	 *     # 命令重试发送时间间隔，单位：毫秒
	 *     retryInterval: 1500
	 *     # 从可用服务器的内部列表中排除 Redis Slave 重新连接尝试的间隔。
	 *     failedSlaveReconnectionInterval: 3000
	 *     # 发布和订阅连接池最小空闲连接数
	 *     subscriptionConnectionMinimumIdleSize: 1
	 *     # 发布和订阅连接池大小
	 *     subscriptionConnectionPoolSize: 50
	 *     # 单个连接最大订阅数量
	 *     subscriptionsPerConnection: 5
	 *     # 扫描间隔
	 *     scanInterval: 1000
	 *     # DNS监测时间间隔，单位：毫秒
	 *     dnsMonitoringInterval: 5000
	 *     # 读取模式
	 *     readMode: "SLAVE"
	 *     # 订阅模式
	 *     subscriptionMode: "MASTER"
	 */

}