// file: crates/ksp-store-lib/tests/feature_mismatch.rs
// version: 4

#![warn(missing_docs)]
#![deny(unreachable_pub)]
#![forbid(unsafe_code)]

//! Feature-selection and pre-I/O PostgreSQL failure canaries for the common Store facade.

fn poll_ready<T>(future: impl std::future::Future<Output = T>) -> T {
    let mut future = std::boxed::Box::pin(future);
    let waker = std::task::Waker::noop();
    let mut context = std::task::Context::from_waker(waker);
    return match std::future::Future::poll(future.as_mut(), &mut context) {
        std::task::Poll::Ready(value) => value,
        std::task::Poll::Pending => panic!("Store pre-I/O feature/config rejection unexpectedly became pending"),
    };
}

fn valid_network() -> ksp_store_lib::RawNetworkId {
    return match ksp_store_lib::RawNetworkId::new("devnet") {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => panic!("valid test network rejected: {error:?}"),
    };
}

fn settings(connection_uri: &str) -> ksp_store_lib::StoreSettings {
    let postgres = ksp_store_lib::PostgresStoreSettings::new(
        connection_uri,
        ksp_store_lib::PostgresPoolSettings::default(),
        ksp_store_lib::PostgresTlsMode::Disabled,
        ksp_store_lib::PostgresBootstrapSettings::default(),
    );
    return ksp_store_lib::StoreSettings::with_default_shutdown(valid_network(), ksp_store_lib::StoreBackendSettings::Postgres(postgres));
}

#[cfg(not(feature = "postgres"))]
#[test]
fn pre_005_known_postgres_without_feature_returns_stable_error_before_io() {
    let result = poll_ready(ksp_store_lib::Store::open(settings("postgresql://operator-supplied-sensitive-value@localhost/ksp")));
    let error = result.err();
    assert_eq!(error.map(|value| return value.code()), std::option::Option::Some(ksp_store_lib::ERROR_CODE_BACKEND_NOT_COMPILED));
    return;
}

#[cfg(feature = "postgres")]
#[test]
fn pre_005_compiled_postgres_rejects_malformed_uri_without_secret_leak_before_io() {
    let secret_canary = "not-a-postgresql-uri-secret-canary";
    let result = poll_ready(ksp_store_lib::Store::open(settings(secret_canary)));
    let error = result.err();
    assert_eq!(error.as_ref().map(|value| return value.code()), std::option::Option::Some(ksp_store_lib::ERROR_CODE_POSTGRES_CONFIG_INVALID));
    assert!(!format!("{error:?}").contains(secret_canary));
    return;
}