use std::{fs, path::PathBuf};

fn repo_root() -> PathBuf {
    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
        .parent()
        .and_then(|p| p.parent())
        .expect("api crate should live under repo root")
        .to_path_buf()
}

#[test]
fn stack_files_parse_as_yaml() {
    let root = repo_root();
    for file in [
        root.join("swarm/stacks/control-plane.yml"),
        root.join("swarm/stacks/observability.yml"),
    ] {
        let raw = fs::read_to_string(&file).unwrap();
        let _: serde_yaml::Value = serde_yaml::from_str(&raw).unwrap();
    }
}

#[test]
fn control_plane_stack_has_required_services() {
    let root = repo_root();
    let raw = fs::read_to_string(root.join("swarm/stacks/control-plane.yml")).unwrap();
    let v: serde_yaml::Value = serde_yaml::from_str(&raw).unwrap();

    let services = v
        .get("services")
        .and_then(|x| x.as_mapping())
        .expect("missing services");

    for required in ["control-api", "control-ui"] {
        assert!(
            services.contains_key(serde_yaml::Value::String(required.to_string())),
            "missing service {required}"
        );
    }
}