#[derive(Clone, Eq, PartialEq)]
pub struct ExternalReferenceSettings {
    /// Canonical HTTP(S) URL prefixes which opt an operator into remote `$ref` fetches.
    /// An empty list is a deliberate default-deny switch.
    pub allowed_url_prefixes: Vec<String>,
    pub max_depth: usize,
    pub max_documents: usize,
    pub max_fetch_bytes: usize,
    pub fetch_timeout_ms: u64,
    pub max_expanded_nodes: usize,
}

pub(super) fn parse(parser: &mut super::Parser<'_>) -> ExternalReferenceSettings {
    ExternalReferenceSettings {
        allowed_url_prefixes: parser
            .url_prefix_list("CRANK_IMPORT_EXTERNAL_REFERENCE_ALLOWED_URL_PREFIXES"),
        max_depth: parser.number("CRANK_IMPORT_EXTERNAL_REFERENCE_MAX_DEPTH") as usize,
        max_documents: parser.number("CRANK_IMPORT_EXTERNAL_REFERENCE_MAX_DOCUMENTS") as usize,
        max_fetch_bytes: parser.number("CRANK_IMPORT_EXTERNAL_REFERENCE_MAX_FETCH_BYTES") as usize,
        fetch_timeout_ms: parser.number("CRANK_IMPORT_EXTERNAL_REFERENCE_FETCH_TIMEOUT_MS"),
        max_expanded_nodes: parser.number("CRANK_IMPORT_EXTERNAL_REFERENCE_MAX_EXPANDED_NODES")
            as usize,
    }
}