// file: crates/ksp-onchain-transport-lib/tests/yellowstone_orbitflare_smoke.rs
// version: 1

//! Opt-in live OrbitFlare Devnet characterization smoke for provider-neutral Yellowstone gRPC Subscribe.

fn orbitflare_devnet_endpoint() -> ksp_core_lib::Result<ksp_onchain_transport_lib::YellowstoneGrpcEndpointSettings> {
    let url = match ksp_onchain_transport_lib::YellowstoneGrpcEndpointUrl::parse("http://devnet.rpc.orbitflare.com:10000") {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    let session = ksp_onchain_transport_lib::YellowstoneGrpcSessionSettings::new(
        std::time::Duration::from_secs(10),
        std::time::Duration::from_secs(10),
        std::time::Duration::from_secs(5),
        ksp_onchain_transport_lib::YellowstoneGrpcReconnectSettings::new(0, std::time::Duration::from_millis(250), std::time::Duration::from_secs(2)),
        8,
        8,
        16 * 1024 * 1024,
        4 * 1024 * 1024,
    );
    return std::result::Result::Ok(ksp_onchain_transport_lib::YellowstoneGrpcEndpointSettings::new(
        "orbitflare_devnet_yellowstone",
        true,
        ksp_onchain_transport_lib::YellowstoneGrpcProviderName::new("orbitflare"),
        ksp_onchain_transport_lib::YellowstoneGrpcClusterName::new("devnet"),
        url,
        session,
    ));
}

fn slot_request() -> ksp_core_lib::Result<ksp_onchain_transport_lib::YellowstoneSubscribeRequest> {
    let mut request = ksp_onchain_transport_lib::YellowstoneSubscribeRequest::new();
    let name = match ksp_onchain_transport_lib::YellowstoneSubscribeFilterName::new("slots") {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    };
    match request.insert_slot_filter(name, ksp_onchain_transport_lib::YellowstoneSubscribeSlotFilter::new()) {
        std::result::Result::Ok(()) => {},
        std::result::Result::Err(error) => return std::result::Result::Err(error),
    }
    request.set_commitment(std::option::Option::Some(ksp_onchain_transport_lib::SolanaCommitment::Confirmed));
    return std::result::Result::Ok(request);
}

#[tokio::test(flavor = "current_thread")]
#[ignore = "opt-in live OrbitFlare Devnet Yellowstone gRPC characterization; connects without metadata, waits for Slot plus standard server Ping, then closes"]
async fn orbitflare_devnet_yellowstone_streams_slots_and_emits_standard_server_ping_without_metadata() {
    let endpoint = match orbitflare_devnet_endpoint() {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => panic!("programmatic OrbitFlare Devnet Yellowstone settings must be valid without metadata: {error:?}"),
    };
    assert!(endpoint.metadata().is_empty(), "OrbitFlare Devnet characterization must not invent gRPC metadata");
    assert!(!endpoint.url().uses_tls(), "the documented OrbitFlare shared Devnet endpoint is intentionally HTTP/2 plaintext");
    let endpoint_debug = format!("{endpoint:?}");
    assert!(!endpoint_debug.contains("orbitflare.com"), "OrbitFlare endpoint URL must not appear in endpoint Debug");
    assert!(!endpoint_debug.contains("X-ORBIT-KEY"), "OrbitFlare Customer API credentials must not enter Yellowstone settings");
    let channel = match ksp_onchain_transport_lib::YellowstoneGrpcChannel::connect(&endpoint).await {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => {
            panic!("OrbitFlare Devnet Yellowstone connection without metadata must succeed or classify the provider auth gate: {error:?}")
        },
    };
    assert_eq!(channel.endpoint_name(), "orbitflare_devnet_yellowstone");
    assert_eq!(channel.provider().as_str(), "orbitflare");
    assert_eq!(channel.cluster().as_str(), "devnet");
    let request = match slot_request() {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => panic!("OrbitFlare Yellowstone slot request must be valid: {error:?}"),
    };
    let mut session = match channel.open_standard_subscribe(request).await {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => {
            panic!("OrbitFlare Devnet standard Subscribe without metadata must open or classify the provider auth gate: {error:?}")
        },
    };
    let deadline = tokio::time::sleep(std::time::Duration::from_secs(45));
    tokio::pin!(deadline);
    let mut slot_seen = false;
    let mut ping_seen = false;
    loop {
        tokio::select! {
            () = &mut deadline => break,
            next_update = session.next_update() => {
                let next_update = match next_update {
                    std::result::Result::Ok(value) => value,
                    std::result::Result::Err(error) => panic!("OrbitFlare Devnet Yellowstone Subscribe update must decode: {error:?}"),
                };
                match next_update {
                    std::option::Option::Some(ksp_onchain_transport_lib::YellowstoneSubscribeUpdate::Slot(update)) => {
                        if update.slot() > 0 {
                            slot_seen = true;
                        }
                    },
                    std::option::Option::Some(ksp_onchain_transport_lib::YellowstoneSubscribeUpdate::Ping(_)) => ping_seen = true,
                    std::option::Option::Some(_) => {},
                    std::option::Option::None => break,
                }
                if slot_seen && ping_seen {
                    break;
                }
            },
        }
    }
    let close_timeout_result = tokio::time::timeout(std::time::Duration::from_secs(7), session.close()).await;
    let close_result = match close_timeout_result {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(error) => {
            panic!("KSP Yellowstone Subscribe close must remain bounded beyond the configured five-second provider half-close deadline: {error}")
        },
    };
    match close_result {
        std::result::Result::Ok(()) => {},
        std::result::Result::Err(error) => {
            assert_eq!(
                error.code(),
                ksp_onchain_transport_lib::ERROR_CODE_TIMEOUT,
                "after live characterization, OrbitFlare close may time out waiting for provider half-close but must not fail for another reason: {error:?}"
            );
        },
    }
    assert!(slot_seen, "OrbitFlare Devnet Yellowstone must publish at least one non-zero confirmed slot during the 45-second characterization window");
    assert!(
        ping_seen,
        "OrbitFlare Devnet must emit the standard Yellowstone server Ping during the 45-second characterization window before any provider-specific heartbeat is justified"
    );
}