use crank_config::{field_registry, render};

#[test]
fn generated_contract_is_deterministic_complete_and_redacted() {
    assert_eq!(render::schema_json(), render::schema_json());
    let schema: serde_json::Value = serde_json::from_str(&render::schema_json()).unwrap();
    assert_eq!(
        schema["fields"].as_array().unwrap().len(),
        field_registry().len()
    );
    for section in [render::env_section(false), render::env_section(true)] {
        assert!(!section.contains("change-me"));
        assert!(!section.contains("CRANK_RUNTIME_MAX_CONCURRENT_WINDOW"));
        assert!(!section.contains("CRANK_RUNTIME_MAX_CONCURRENT_JOBS"));
        assert!(!section.contains("CRANK_CACHE_DEFAULT_TTL_MS"));
    }
}

#[test]
fn generated_reference_distinguishes_required_and_optional_fields() {
    let reference = render::reference_section();

    assert!(reference.contains(
        "| `CRANK_MASTER_KEY` | `runtime.master_key` | `Shared` | `secret/-` | `required/blank` |"
    ));
    assert!(
        reference
            .contains("| `CRANK_DATABASE_URL` | `database.url` | `Shared` | `url/-` | `blank` |")
    );
    assert!(reference.contains(
        "| `CRANK_LOG_LEVEL` | `observability.log_filter` | `Shared` | `string/-` | `blank` |"
    ));
}

#[test]
fn marker_replacement_is_bounded_to_the_generated_region() {
    let input = "before\n# BEGIN GENERATED CRANK RUNTIME CONFIG\nstale\n# END GENERATED CRANK RUNTIME CONFIG\nafter\n";
    let output = render::replace_marked(
        input,
        render::BEGIN_MARKER,
        render::END_MARKER,
        &render::env_section(false),
    )
    .unwrap();
    assert!(output.starts_with("before\n"));
    assert!(output.ends_with("\nafter\n"));
    assert!(!output.contains("stale"));
}