use async_trait::async_trait;
use eyre::Context;

use crate::{cuddle_file::CuddleFile, MainAction};

pub struct CuddleReleaser {
    client: dagger_sdk::Query,
    env: Option<String>,
    cuddle_file: CuddleFile,

    folder: String,
}

pub struct CuddleReleaserOptions {
    upstream: String,
    cluster: String,
    namespace: String,
    app: String,
}

impl CuddleReleaser {
    pub async fn new(client: dagger_sdk::Query) -> eyre::Result<Self> {
        let cuddle_file = CuddleFile::from_cuddle_file().await?;

        let env = std::env::var("CUDDLE_ENV").ok();

        Ok(Self {
            client,
            cuddle_file,
            env,
            folder: ".cuddle/tmp".into(),
        })
    }
}

#[async_trait]
impl MainAction for CuddleReleaser {
    async fn execute_main(&self) -> eyre::Result<()> {
        let client = self.client.clone();

        if self.cuddle_file.deployment.is_none() {
            return Ok(());
        }

        let chosen_cluster = match self
            .cuddle_file
            .deployment
            .as_ref()
            .unwrap()
            .env
            .0
            .get(&self.env.as_ref().unwrap_or(&"prod".to_string()).to_string())
        {
            Some(c) => match c.clusters.first().take() {
                Some(c) => c,
                None => return Ok(()),
            },
            None => return Ok(()),
        };

        let cluster = match self.cuddle_file.vars.clusters.0.get(chosen_cluster) {
            Some(c) => c,
            None => eyre::bail!("no cluster found for: {}", chosen_cluster),
        };

        let options = CuddleReleaserOptions {
            cluster: chosen_cluster.clone(),
            namespace: cluster.namespace.clone(),
            app: self.cuddle_file.vars.service.clone(),
            upstream: self
                .cuddle_file
                .deployment
                .as_ref()
                .unwrap()
                .registry
                .clone(),
        };

        let cuddle_releaser_image = "docker.io/kasperhermansen/cuddle-releaser:main-1706479027";

        let folder = client.host().directory(&self.folder);

        let ssh_sock = std::env::var("SSH_AUTH_SOCK").context("SSH_AUTH_SOCK not set")?;

        let cuddle_releaser = client
            .container()
            .from(cuddle_releaser_image)
            .with_env_variable("RUST_LOG", "trace")
            .with_directory("/mnt/templates", folder)
            .with_unix_socket(
                ssh_sock.clone(),
                client.host().unix_socket(ssh_sock.clone()),
            );

        let time = chrono::Local::now();

        cuddle_releaser
            .with_exec(vec!["echo", &time.to_rfc3339()])
            .with_exec(vec![
                "cuddle-releaser",
                "release",
                &format!("--upstream={}", options.upstream),
                &format!("--folder={}", "/mnt/templates/k8s"),
                &format!("--cluster={}", options.cluster),
                &format!("--namespace={}", options.namespace),
                &format!("--app={}", options.app),
            ])
            .sync()
            .await?;

        Ok(())
    }
}