"""Disposable behavioral test: monitor source exit!=0 -> ok=False, nothing persisted.

Calls cron.monitor.check_monitor and cron.scheduler._apply_monitor_gate directly
against fabricated job dicts and throwaway monitor scripts. No live job touched,
no agent woken. Exit codes: 0 = all assertions held, 1 = mismatch.
"""
import os, sys, json, tempfile
sys.path.insert(0, os.path.expanduser("~/.hermes/hermes-agent"))
os.environ.setdefault("HERMES_HOME", os.path.expanduser("~/.hermes"))

from cron.monitor import check_monitor
from cron.scheduler import _apply_monitor_gate

SDIR = os.path.expanduser("~/.hermes/scripts")
results = []

def mkscript(name, body):
    p = os.path.join(SDIR, name)
    with open(p, "w") as f:
        f.write(body)
    os.chmod(p, 0o755)
    return os.path.relpath(p, SDIR)

# Script S1: emits the sentinel then exit 1 (proposed repaired failure path)
s1 = mkscript("_t_exit1.sh",
    '#!/usr/bin/env bash\necho "PEEK-FAILED rc=2"\nexit 1\n')
# Script S2: emits the sentinel then exit 0 (current production behaviour)
s2 = mkscript("_t_exit0.sh",
    '#!/usr/bin/env bash\necho "PEEK-FAILED rc=2"\nexit 0\n')

def fake_job(jid, script, prior_hash=None):
    st = {"last_output_hash": prior_hash} if prior_hash else None
    return {"id": jid, "name": jid, "monitor_script": script,
            "monitor_state": st, "schedule": {"kind": "interval", "minutes": 5}}

# --- T1: exit 1 -> check_monitor ok=False, no state persisted
job = fake_job("_t_exit1_job", s1)
out = check_monitor(job)
results.append(("T1 exit1 => ok=False", out.ok is False))
results.append(("T1 error carries sentinel", "PEEK-FAILED" in (out.error or "")))
from cron.jobs import get_job
persisted = get_job("_t_exit1_job")
results.append(("T1 nothing persisted (no monitor_state on a real store)",
                persisted is None or not (persisted.get("monitor_state") or {}).get("last_output_hash")))

# --- T2: exit 0 -> ok=True changed=True (sentinel becomes a persisted hash)
job0 = fake_job("_t_exit0_job", s2)
out0 = check_monitor(job0)
results.append(("T2 exit0 => ok=True changed=True", out0.ok is True and out0.changed is True))
# simulate what a real store would now hold (job not in the store, so update_job
# has nothing to write; fabricate the persisted hash the same way the monitor did)
from cron.monitor import hash_monitor_output
persisted_hash = hash_monitor_output("PEEK-FAILED rc=2")
suppressed = check_monitor(fake_job("_t_exit0_job", s2, prior_hash=persisted_hash))
results.append(("T2 re-run with persisted hash suppressed (outage wakes once per transition)",
                suppressed.ok is True and suppressed.changed is False))

# --- T3: _apply_monitor_gate on the exit-1 job returns the error early-result
early, prompt, ctx = _apply_monitor_gate(fake_job("_t_exit1_job", s1), "_t_exit1_job", "t", None)
ok_gate = (early is not None and early[0] is False and "source failed" in early[1])
results.append(("T3 gate early-returns failure alert, no agent run", ok_gate))
# repeated failing tick: gate must alert AGAIN (nothing persisted to suppress against)
early2, _, _ = _apply_monitor_gate(fake_job("_t_exit1_job", s1), "_t_exit1_job", "t", None)
results.append(("T3 second failing tick alerts again (no dedup state)",
                early2 is not None and early2[0] is False))

# --- T4: sustained-failure then recovery: no backoff, no auto-pause, job keeps firing.
# Source claim (svos-dev): the monitor-failure branch early-returns only;
# _block_and_pause_job is unreachable from it. Behavioral close: N consecutive
# failing ticks each alert (no dedup/pause), a recovery tick passes the gate
# open (early=None), and the job is never left paused/absent-of-schedule.
fail_alerts = 0
for _ in range(5):
    early_t, _, ctx_t = _apply_monitor_gate(fake_job("_t_exit1_job", s1), "_t_exit1_job", "t", None)
    if early_t is not None and early_t[0] is False:
        fail_alerts += 1
results.append(("T4 5 consecutive failing ticks each alert (no backoff/disable)", fail_alerts == 5))
after = get_job("_t_exit1_job")
results.append(("T4 job not paused/disabled by failures (absent or state!=paused)",
                after is None or after.get("state") not in ("paused", "blocked")))
# recovery: a script that succeeds with a NEW output passes the gate open
s3 = mkscript("_t_recover.sh", '#!/usr/bin/env bash\necho "[9001]"\nexit 0\n')
early_r, _, ctx_r = _apply_monitor_gate(fake_job("_t_rec_job", s3), "_t_rec_job", "t", None)
results.append(("T4 recovery tick passes gate open (early=None, monitor ctx present)",
                early_r is None and ctx_r is not None))
os.remove(os.path.join(SDIR, s3))

# cleanup
for f in (s1, s2):
    os.remove(os.path.join(SDIR, f))

for name, ok in results:
    print(("PASS" if ok else "FAIL"), "-", name)
sys.exit(0 if all(ok for _, ok in results) else 1)