#!/usr/bin/env bash
set -uo pipefail

# Plan-18 MVP-1 Operator mode: registered actions only, action-gate enforced.

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../scripts/bash/casan-paths.sh"
OP="$CASAN_HARNESS_ROOT/scripts/bash/chat-operator.py"
TURN="$CASAN_HARNESS_ROOT/scripts/bash/chat-turn.py"
ROUTER="$CASAN_HARNESS_ROOT/scripts/bash/prompt-mode-router.py"
WORK="$(mktemp -d)"
trap 'rm -rf "$WORK"' EXIT
export CASAN_STATE_ROOT="$WORK/state"

PASS=0; FAIL=0
pass() { echo "PASS: $1"; PASS=$((PASS + 1)); }
fail() { echo "FAIL: $1"; FAIL=$((FAIL + 1)); }

echo "===== Plan-18 MVP-1 operator mode ====="

python3 "$ROUTER" classify --message "run tests" > "$WORK/router.json"
python3 - "$WORK/router.json" <<'PY' \
  && pass "prompt router maps registered action to OPERATOR" || fail "router did not emit OPERATOR"
import json, sys
d = json.load(open(sys.argv[1]))
assert d["mode"] == "OPERATOR"
assert d["side_effect_allowed"] is True
assert "ACTION_GATE" in d["gates"]
PY

python3 "$OP" list-actions > "$WORK/actions.json"
python3 - "$WORK/actions.json" <<'PY' \
  && pass "operator action registry lists registered actions" || fail "operator registry missing actions"
import json, sys
d = json.load(open(sys.argv[1]))
ids = {a["id"] for a in d["actions"]}
assert {"run-chat-tests", "build-evidence-pack", "verify-evidence-pack"}.issubset(ids)
PY

python3 "$TURN" ask --message "run tests" --actor bob --role operator --chat-id op1 > "$WORK/run.json"
python3 - "$WORK/run.json" <<'PY' \
  && pass "registered run tests action executes through chat-turn" || fail "registered action did not complete"
import json, os, sys
d = json.load(open(sys.argv[1]))
assert d["success"] is True
assert d["mode"] == "OPERATOR"
assert d["decision"] == "ACTION_COMPLETED"
assert d["action"]["id"] == "run-chat-tests"
assert d["action_gate"]["outcome"] == "ALLOW"
assert d["sources"] and d["sources"][0]["envelope"]["verified"] is True
PY

set +e
python3 "$TURN" ask --message "execute arbitrary shell command pwd" --actor bob --chat-id op1 > "$WORK/free.json"
RC=$?
set -e 2>/dev/null || true
python3 - "$WORK/free.json" "$RC" <<'PY' \
  && pass "free command is not supported" || fail "free command was accepted"
import json, sys
d = json.load(open(sys.argv[1]))
assert int(sys.argv[2]) != 0
assert d["success"] is False
assert d["mode"] == "NOT_SUPPORTED"
assert d["decision"] in {"NOT_SUPPORTED", "DENIED"}
PY

cat > "$WORK/danger-actions.json" <<'JSON'
{
  "version": 1,
  "actions": [
    {
      "id": "danger",
      "label": "Danger",
      "description": "Should be blocked by action-gate before execution.",
      "triggers": ["danger"],
      "command": ["bash", "-lc", "touch ${CASAN_STATE_ROOT}/marker && rm -rf /"],
      "writes": [],
      "timeout_s": 5
    },
    {
      "id": "net",
      "label": "Network",
      "description": "Should require approval before execution.",
      "triggers": ["network"],
      "command": ["curl", "https://example.com"],
      "writes": [],
      "timeout_s": 5
    }
  ]
}
JSON

set +e
CASAN_OPERATOR_ACTIONS_FILE="$WORK/danger-actions.json" python3 "$OP" run --action danger --message danger --actor bob --chat-id op2 > "$WORK/danger.json"
RC=$?
set -e 2>/dev/null || true
python3 - "$WORK/danger.json" "$RC" "$CASAN_STATE_ROOT/marker" <<'PY' \
  && pass "action-gate BLOCK prevents registered dangerous command execution" || fail "dangerous registered command was not blocked"
import json, os, sys
d = json.load(open(sys.argv[1]))
assert int(sys.argv[2]) == 2
assert d["success"] is False
assert d["decision"] == "DENIED"
assert d["action_gate"]["outcome"] == "BLOCK"
assert not os.path.exists(sys.argv[3])
PY

set +e
CASAN_OPERATOR_ACTIONS_FILE="$WORK/danger-actions.json" python3 "$OP" run --action net --message network --actor bob --chat-id op2 > "$WORK/net.json"
RC=$?
set -e 2>/dev/null || true
python3 - "$WORK/net.json" "$RC" <<'PY' \
  && pass "action-gate REQUIRE_APPROVAL holds network action" || fail "network action did not require approval"
import json, sys
d = json.load(open(sys.argv[1]))
assert int(sys.argv[2]) == 3
assert d["success"] is False
assert d["decision"] == "REQUIRES_APPROVAL"
assert d["action_gate"]["outcome"] == "REQUIRE_APPROVAL"
PY

python3 "$CASAN_HARNESS_ROOT/scripts/bash/chat-readonly.py" verify-audit > "$WORK/audit.out" \
  && grep -q "CHAT_AUDIT ok=true" "$WORK/audit.out" \
  && pass "operator turns preserve chat audit hash chain" || fail "operator audit chain invalid"

test -s "$CASAN_STATE_ROOT/logs/cost/metrics.jsonl" \
  && pass "operator H6 telemetry recorded" || fail "operator metrics missing"

echo ""
echo "===== CHAT OPERATOR SUMMARY: PASS=$PASS FAIL=$FAIL ====="
[[ "$FAIL" -eq 0 ]] || exit 1