// file: crates/ksp-worker-raw-transaction-ingest-lib/tests/dependency_boundary.rs
// version: 7

//! Dependency firewall canaries for the RAW transaction ingest Worker foundation.

#[test]
fn pre_002_manifest_dependency_surface_is_exact() {
    let manifest = include_str!("../Cargo.toml");
    let dependencies = dependency_section(manifest);
    let names = manifest_dependency_names(dependencies);
    assert_eq!(names, vec!["ksp-core-lib", "ksp-logging-lib", "ksp-raw-transaction-lib", "ksp-store-lib", "ksp-worker-api", "sha2", "tokio",],);
    for required in [
        "ksp-core-lib = { path = \"../ksp-core-lib\" }",
        "ksp-logging-lib = { path = \"../ksp-logging-lib\" }",
        "ksp-raw-transaction-lib = { path = \"../ksp-raw-transaction-lib\" }",
        "ksp-store-lib = { path = \"../ksp-store-lib\", default-features = false }",
        "ksp-worker-api = { path = \"../ksp-worker-api\" }",
        "sha2 = { workspace = true }",
        "tokio = { workspace = true, features = [\"macros\", \"rt\", \"sync\", \"time\"] }",
    ] {
        assert!(dependencies.contains(required), "required Worker dependency missing: {required}");
    }
    return;
}

#[test]
fn pre_002_manifest_keeps_forbidden_layers_and_live_sources_out() {
    let manifest = include_str!("../Cargo.toml");
    let dependencies = dependency_section(manifest);
    for forbidden in [
        "futures-util",
        "ksp-config-lib",
        "ksp-interface-lib",
        "ksp-job-api",
        "ksp-job-backfill-lib",
        "ksp-onchain-transport-lib",
        "ksp-program-api",
        "ksp-store-api",
        "ksp-store-postgres-lib",
        "ksp-wallet-lib",
        "reqwest",
        "solana-",
        "tokio-tungstenite",
        "tonic",
        "yellowstone-grpc-proto",
    ] {
        assert!(!dependencies.contains(forbidden), "forbidden Worker dependency present: {forbidden}");
    }
    assert!(!manifest.contains("[dev-dependencies]"), "foundation requires no test-only dependency");
    assert!(!manifest.contains("[build-dependencies]"), "foundation requires no build dependency");
    return;
}

#[test]
fn pre_008_source_surface_adds_one_latest_value_snapshot_watch_without_backend_or_live_source() {
    let root = include_str!("../src/lib.rs");
    let runtime = include_str!("../src/runtime.rs");
    let admission = include_str!("../src/admission.rs");
    let persistence = include_str!("../src/persistence.rs");
    let snapshot = include_str!("../src/snapshot.rs");
    for required in [
        "tokio::sync::mpsc::channel",
        "canonicalize_raw_transaction",
        "assemble_raw_transaction_acquisition",
        "RawTransactionIngestPersistencePort",
        "RawTransactionAcquisitionMode::Normal",
        "RawTransactionIngestSnapshot",
        "RawTransactionIngestSnapshotSource",
        "WorkerSnapshotSource",
        "tokio::sync::watch::channel",
        "ERROR_CODE_RAW_TRANSACTION_INGEST_COUNTER_EXHAUSTED",
    ] {
        assert!(
            root.contains(required)
                || runtime.contains(required)
                || admission.contains(required)
                || persistence.contains(required)
                || snapshot.contains(required),
            "required pre.008 snapshot contract missing: {required}"
        );
    }
    for forbidden in [
        "pub use self::admission::RawTransactionAdmission",
        "pub use self::admission::RawTransactionIngress",
        "pub use self::persistence::RawTransactionIngestPersistencePort",
        "unbounded_channel",
        "ksp_store_postgres_lib::",
        "ksp_onchain_transport_lib::",
        "ForceRehydrate",
        "source_failed",
        "drain_timeout",
    ] {
        assert!(
            !root.contains(forbidden)
                && !runtime.contains(forbidden)
                && !admission.contains(forbidden)
                && !persistence.contains(forbidden)
                && !snapshot.contains(forbidden),
            "pre.008 crossed a forbidden runtime boundary: {forbidden}"
        );
    }
    assert_eq!(runtime.matches("tokio::sync::watch::channel").count(), 2, "runtime retains only the external-control and private-source stop watches");
    assert_eq!(snapshot.matches("tokio::sync::watch::channel").count(), 1, "exactly one shared concrete snapshot watch is allowed");
    return;
}

fn dependency_section(manifest: &str) -> &str {
    let after_header = match manifest.split_once("[dependencies]") {
        std::option::Option::Some((_, section)) => section,
        std::option::Option::None => {
            return "";
        },
    };
    let end = match after_header.find("\n[") {
        std::option::Option::Some(index) => index,
        std::option::Option::None => after_header.len(),
    };
    return &after_header[..end];
}

fn manifest_dependency_names(section: &str) -> std::vec::Vec<&str> {
    let mut names = std::vec::Vec::new();
    for line in section.lines() {
        let content = match line.split('#').next() {
            std::option::Option::Some(value) => value.trim(),
            std::option::Option::None => continue,
        };
        if content.is_empty() {
            continue;
        }
        let name = match content.split('=').next() {
            std::option::Option::Some(value) => value.trim().trim_end_matches(".workspace"),
            std::option::Option::None => continue,
        };
        if !name.is_empty() {
            names.push(name);
        }
    }
    names.sort_unstable();
    return names;
}