import json
from pathlib import Path
from starter import evaluate
P=Path(__file__).parent
cases=json.loads((P/'fixtures/cases.json').read_text(encoding='utf-8'))['cases']
required={'backup_state','restore_state','watchdog_state','missed_heartbeat','recovery_decision','escalation','audit_event','reason'}
for c in cases:
    try: r=evaluate(c)
    except NotImplementedError:
        print('STARTER_NOT_IMPLEMENTED: implement evaluate(case), then rerun checks.'); raise SystemExit(2)
    assert isinstance(r,dict) and required<=set(r)
    assert isinstance(r['audit_event'],str) and r['audit_event'].strip()
    assert isinstance(r['reason'],str) and r['reason'].strip()
    assert r['recovery_decision'] in {'RECOVERY_READY','RECOVERED','RESTORE_FAILED','WATCHDOG_EXHAUSTED','BLOCKED','UNKNOWN'}
print(f'PASS learner shape/safety checks for {len(cases)} cases')