// file: crates/ksp-logging-lib/tests/ownership.rs
// version: 1

//! Integration audit ensuring KSP crates do not bypass the logging facade.

fn collect_rust_files(directory: &std::path::Path, files: &mut std::vec::Vec<std::path::PathBuf>) {
    let entries_result = std::fs::read_dir(directory);
    let entries = match entries_result {
        std::result::Result::Ok(entries) => entries,
        std::result::Result::Err(_) => return,
    };
    for entry_result in entries {
        let entry = match entry_result {
            std::result::Result::Ok(entry) => entry,
            std::result::Result::Err(_) => continue,
        };
        let path = entry.path();
        if path.is_dir() {
            collect_rust_files(path.as_path(), files);
            continue;
        }
        if path.extension().and_then(std::ffi::OsStr::to_str) == std::option::Option::Some("rs") {
            files.push(path);
        }
    }
}

#[test]
fn workspace_crates_do_not_bypass_ksp_logging_facade() {
    let logging_manifest_directory = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
    let workspace_root = match logging_manifest_directory.parent().and_then(std::path::Path::parent) {
        std::option::Option::Some(root) => root,
        std::option::Option::None => return,
    };
    let crates_directory = workspace_root.join("crates");
    let entries_result = std::fs::read_dir(crates_directory.as_path());
    assert!(entries_result.is_ok(), "unable to inspect workspace crates at {}", crates_directory.display());
    let entries = match entries_result {
        std::result::Result::Ok(entries) => entries,
        std::result::Result::Err(_) => return,
    };
    for entry_result in entries {
        let entry = match entry_result {
            std::result::Result::Ok(entry) => entry,
            std::result::Result::Err(_) => continue,
        };
        let crate_path = entry.path();
        if !crate_path.is_dir() || entry.file_name() == std::ffi::OsStr::new("ksp-logging-lib") {
            continue;
        }
        let manifest_path = crate_path.join("Cargo.toml");
        if manifest_path.exists() {
            let manifest_result = std::fs::read_to_string(manifest_path.as_path());
            assert!(manifest_result.is_ok(), "unable to read {}", manifest_path.display());
            let manifest = match manifest_result {
                std::result::Result::Ok(manifest) => manifest,
                std::result::Result::Err(_) => continue,
            };
            assert!(
                !manifest.contains("tracing.workspace") && !manifest.contains("\ntracing =") && !manifest.contains("[dependencies.tracing]"),
                "{} depends directly on tracing",
                manifest_path.display(),
            );
            assert!(!manifest.contains("tracing-subscriber"), "{} depends directly on tracing-subscriber", manifest_path.display());
            assert!(!manifest.contains("tracing-appender"), "{} depends directly on tracing-appender", manifest_path.display());
        }
        let mut rust_files = std::vec::Vec::new();
        collect_rust_files(crate_path.as_path(), &mut rust_files);
        for rust_file in rust_files {
            let source_result = std::fs::read_to_string(rust_file.as_path());
            assert!(source_result.is_ok(), "unable to read {}", rust_file.display());
            let source = match source_result {
                std::result::Result::Ok(source) => source,
                std::result::Result::Err(_) => continue,
            };
            assert!(!source.contains("tracing::"), "{} bypasses ksp-logging-lib via tracing", rust_file.display());
            assert!(!source.contains("tracing_subscriber::"), "{} bypasses ksp-logging-lib via tracing-subscriber", rust_file.display());
            assert!(!source.contains("tracing_appender::"), "{} bypasses ksp-logging-lib via tracing-appender", rust_file.display());
        }
    }
}