package com.imutil.common;

import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.noear.solon.annotation.Bean;
import org.noear.solon.annotation.Configuration;
import org.noear.solon.annotation.Inject;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

/**
 * Redis 连接池配置
 * <p>
 * 读取 app.yml 的 imutil.redis.* 配置，构建 JedisPool 注册为 Solon Bean。
 * 用于限流令牌桶、映射/授权缓存、补拉水位线等高频读写场景。
 *
 * @author imutil
 */
@Configuration
public class RedisConfig {

    @Inject("${imutil.redis.host:localhost}")
    private String host;

    @Inject("${imutil.redis.port:6379}")
    private int port;

    @Inject("${imutil.redis.password:}")
    private String password;

    @Inject("${imutil.redis.database:0}")
    private int database;

    @Inject("${imutil.redis.timeout:2000}")
    private int soTimeout;

    @Inject("${imutil.redis.connectTimeout:2000}")
    private int connectTimeout;

    /**
     * 构建 Jedis 连接池
     */
    @Bean
    public JedisPool jedisPool() {
        GenericObjectPoolConfig<Jedis> config = new GenericObjectPoolConfig<>();
        config.setMaxTotal(16);
        config.setMaxIdle(8);
        config.setMinIdle(2);
        config.setTestWhileIdle(true);
        config.setTimeBetweenEvictionRunsMillis(30_000);
        // 空密码兼容：Postgres/Redis 无密码场景传 null，避免鉴权失败
        String pwd = (password == null || password.isEmpty()) ? null : password;
        return new JedisPool(config, host, port, connectTimeout, soTimeout, pwd, database, null);
    }
}