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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
PROJECT_ROOT="$(cd "${ROOT_DIR}/.." && pwd)"

echo "================================================================"
echo "      VERIFYING ON-CALL ENGINEER ALERT POLLING PIPELINE         "
echo "================================================================"

# 1. Verify required files exist
for file in "payload-schema.json" "prompt.md" "runbook.md" "autonomy-policy.json" "poll-alerts.py"; do
  if [ ! -f "${ROOT_DIR}/${file}" ]; then
    echo "ERROR: ${file} missing!"
    exit 1
  fi
  echo "[x] ${file} verified"
done

# 2. Verify scripts are executable
chmod +x "${ROOT_DIR}"/poll-alerts* 2>/dev/null || true
chmod +x "${SCRIPT_DIR}"/* 2>/dev/null || true

# 3. Test receive-alert normalization with synthetic alert
echo "==> Testing alert normalization..."
OUTPUT=$("${SCRIPT_DIR}/trigger-test-incident")
if echo "${OUTPUT}" | grep -q "NORMALIZED"; then
  echo "[x] Alert receiver normalization verified"
else
  echo "ERROR: Failed to normalize alert payload"
  exit 1
fi

# 4. Test live poll against Prometheus (single-shot --once)
echo "==> Testing poller against live Prometheus alert API (--once)..."
python3 "${ROOT_DIR}/poll-alerts.py" --url "http://localhost:9091/api/v1/alerts" --once
echo "[x] Live alert API polling verified"

# 5. Test poller triggering headless coding agent upon firing alert
echo "==> Testing firing alert handling & headless agent invocation..."
MOCK_ALERT_FILE="/tmp/test-firing-alert.json"
cat << 'EOF' > "${MOCK_ALERT_FILE}"
{
  "status": "success",
  "data": {
    "alerts": [
      {
        "labels": {
          "alertname": "HighHttpErrorRate",
          "severity": "critical",
          "service": "api-backend",
          "environment": "development",
          "version": "dev-latest"
        },
        "annotations": {
          "summary": "Elevated HTTP 5xx error rate on api-backend",
          "description": "5xx error rate exceeded 5% threshold (current: 12.50%)",
          "observed_value": "12.50",
          "threshold": "5.0",
          "duration": "1m",
          "dashboard_url": "http://localhost:3004/d/lifecycle-tracker-overview",
          "runbook_url": "on-call-engineer/runbook.md#highhttperrorrate"
        },
        "state": "firing",
        "activeAt": "2026-10-10T17:00:00Z",
        "value": "12.50"
      }
    ]
  }
}
EOF

EXECUTE_AGENT=false python3 "${ROOT_DIR}/poll-alerts.py" --mock-file "${MOCK_ALERT_FILE}" --once --retrigger
rm -f "${MOCK_ALERT_FILE}"
echo "[x] Firing alert detection and headless coding agent trigger verified"

# 6. Verify evidence collection
echo "==> Testing bounded evidence collection..."
"${SCRIPT_DIR}/collect-evidence" -s "api-backend"
if [ -f "${ROOT_DIR}/evidence.json" ]; then
  echo "[x] Telemetry evidence packet collection verified"
fi

# 7. Verify code-enforced autonomy policy
echo "==> Testing code-enforced autonomy authorization..."
"${SCRIPT_DIR}/authorize-action" '{"action":"restart_service","confidence":"high","rationale":"Safe recovery action"}'
echo "[x] Autonomy policy authorization verified"

# 8. Check audit log
if [ -f "${ROOT_DIR}/audit-trail.log" ]; then
  echo "[x] Audit trail logging verified"
fi

echo "================================================================"
echo "  ON-CALL ENGINEER ALERT PIPELINE IS FUNCTIONAL & VERIFIED!     "
echo "================================================================"
exit 0