"""Negative checks of the evidence validator (not a production reuse guard)."""
from copy import deepcopy
import json
import analyze_context_access as ax


def rejected(events):
    try:
        ax.analyze_operation(events)
    except AssertionError:
        return True
    return False


def main():
    examples=json.loads((ax.OUT/'jacobian-200.json').read_text(encoding='utf-8'))
    original=next(x['events'] for x in examples if x['summary']['group']==6)
    assert ax.analyze_operation(original)['replayExact']
    results={}

    events=deepcopy(original)
    index=next(i for i,e in enumerate(events) if e['event']=='write' and e.get('domain')=='pipes' and e.get('field')=='cache->valid')
    del events[index]
    results['omitted_equal_value_pipe_valid_store']=rejected(events)

    events=deepcopy(original)
    event=next(e for e in events if e['event']=='read' and e.get('field')=='s->rho')
    event['value']='0000000000000000'
    results['wrong_consumed_rho']=rejected(events)

    events=deepcopy(original)
    event=next(e for e in events if e['event']=='allocate')
    event['slot']-=1
    results['baseline_slot_used_for_shifted_append']=rejected(events)

    events=deepcopy(original)
    event=next(e for e in events if e['event']=='write' and e.get('field')=='cache->count')
    event['value']=(13).to_bytes(8,'little').hex()
    results['restored_baseline_count']=rejected(events)

    events=deepcopy(original)
    event=next(e for e in events if e['event']=='match')
    event.update(hit=True,slot=0)
    results['wrong_first_match']=rejected(events)

    events=deepcopy(original)
    event=next(e for e in events if e['event']=='valid_test' and e['mask']==8)
    event['value']=8
    results['wrong_valid_bit_result']=rejected(events)

    assert all(results.values()), results
    (ax.OUT/'negative-checks.json').write_text(json.dumps(results,indent=2)+'\n',encoding='utf-8')
    print(json.dumps(results,indent=2))


if __name__=='__main__':main()