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use std::collections::HashMap;

use testcontainers::{core::WaitFor, Image};

const NAME: &str = "bitnami/zookeeper";
const TAG: &str = "3.9.0";

#[derive(Debug)]
pub struct Zookeeper {
    env_vars: HashMap<String, String>,
}

impl Default for Zookeeper {
    fn default() -> Self {
        let mut env_vars = HashMap::new();
        env_vars.insert("ALLOW_ANONYMOUS_LOGIN".to_owned(), "yes".to_owned());

        Self { env_vars }
    }
}

impl Image for Zookeeper {
    type Args = ();

    fn name(&self) -> String {
        NAME.to_owned()
    }

    fn tag(&self) -> String {
        TAG.to_owned()
    }

    fn ready_conditions(&self) -> Vec<WaitFor> {
        vec![
            WaitFor::message_on_stdout("Started AdminServer"),
            WaitFor::message_on_stdout("PrepRequestProcessor (sid:0) started"),
        ]
    }

    fn env_vars(&self) -> Box<dyn Iterator<Item = (&String, &String)> + '_> {
        Box::new(self.env_vars.iter())
    }
}

#[cfg(test)]
mod tests {
    use std::time::Duration;

    use testcontainers::clients;
    use zookeeper::{Acl, CreateMode, ZooKeeper};

    use crate::zookeeper::Zookeeper as ZookeeperImage;

    #[test]
    #[ignore]
    fn zookeeper_check_directories_existence() {
        let _ = pretty_env_logger::try_init();

        let docker = clients::Cli::default();
        let node = docker.run(ZookeeperImage::default());

        let host_port = node.get_host_port_ipv4(2181);
        let zk_urls = format!("127.0.0.1:{host_port}");
        let zk = ZooKeeper::connect(&zk_urls, Duration::from_secs(15), |_| ()).unwrap();

        zk.create(
            "/test",
            vec![1, 2],
            Acl::open_unsafe().clone(),
            CreateMode::Ephemeral,
        )
        .unwrap();

        assert!(zk.exists("/test", false).unwrap().is_some());
        assert!(zk.exists("/test2", false).unwrap().is_none());
    }
}