// file: crates/ksp-job-api/tests/public_api.rs
// version: 1

//! External-consumer canaries for the public Job API foundation.

#[test]
fn pre_002_identity_lifecycle_and_cancellation_are_consumable_from_crate_root() {
    let id = ksp_job_api::JobId::new("campaign-2026.09.01:001");
    let kind = ksp_job_api::JobKindCode::new("backfill_raw");
    assert!(id.is_ok());
    assert!(kind.is_ok());
    let id = match id {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(_) => return,
    };
    let kind = match kind {
        std::result::Result::Ok(value) => value,
        std::result::Result::Err(_) => return,
    };
    let mut lifecycle = ksp_job_api::JobLifecycle::new(id.clone(), kind.clone());
    assert_eq!(lifecycle.id(), &id);
    assert_eq!(lifecycle.kind(), &kind);
    assert_eq!(lifecycle.state(), ksp_job_api::JobState::Created);
    assert!(lifecycle.start().is_ok());
    assert!(lifecycle.complete(ksp_job_api::JobCompletion::Partial).is_ok());
    assert_eq!(lifecycle.state().completion(), std::option::Option::Some(ksp_job_api::JobCompletion::Partial));
    let token = ksp_job_api::JobCancellationToken::new();
    let clone = token.clone();
    assert!(token.cancel());
    assert!(clone.is_cancellation_requested());
    assert!(!clone.cancel());
    return;
}

#[test]
fn pre_002_error_codes_are_stable_and_core_owned() {
    let codes: [ksp_core_lib::ErrorCode; 3] =
        [ksp_job_api::ERROR_CODE_JOB_ID_INVALID, ksp_job_api::ERROR_CODE_JOB_KIND_INVALID, ksp_job_api::ERROR_CODE_JOB_TRANSITION_INVALID];
    assert_eq!(codes[0].domain(), "job_api");
    assert_eq!(codes[0].code(), "job_id_invalid");
    assert_eq!(codes[1].domain(), "job_api");
    assert_eq!(codes[1].code(), "job_kind_invalid");
    assert_eq!(codes[2].domain(), "job_api");
    assert_eq!(codes[2].code(), "job_transition_invalid");
    return;
}

#[test]
fn pre_002_public_bounds_are_exact() {
    assert_eq!(ksp_job_api::MAX_JOB_ID_BYTES, 128);
    assert_eq!(ksp_job_api::MAX_JOB_KIND_CODE_BYTES, 128);
    return;
}