#!/usr/bin/env bash
# watchdog.sh — tmux-agent-orchestrate-monitor 의 부속 스크립트
#
# Metadata for SKILL.md:
# description: "Watchdog helper that keeps subscriber alive and exits when JOB is done"
# usage: "watchdog.sh <job_id> <workdir> [--help]"

if [ "${1:-}" = "--help" ] || [ "${1:-}" = "-h" ] || [ $# -lt 2 ]; then
  echo "Usage: $0 <job_id> <workdir>"
  exit 0
fi

JOB_ID="$1"
WORKDIR="$2"
LOG_DIR="$WORKDIR/.hermes/jobs"

mkdir -p "$LOG_DIR"

log() {
  echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] $*"
}

log "watchdog started for JOB=$JOB_ID workdir=$WORKDIR"

while true; do
  # 1) Get current job status with robust Python parsing
  STATUS=$(cd "$WORKDIR" && .venv/bin/python skills/tmux-agent-orchestrate-delegate-job/scripts/registry.py get --job "$JOB_ID" 2>/dev/null | python3 -c '
import sys, json
try:
    data = json.load(sys.stdin)
    print(data.get("status", "unknown"))
except Exception:
    print("unknown")
' 2>/dev/null || echo "unknown")

  log "JOB status: $STATUS"

  # 2) Terminal check
  case "$STATUS" in
    completed|error|permission_required)
      log "JOB reached terminal state ($STATUS), watchdog exiting"
      exit 0
      ;;
  esac

  # 3) Start subscriber (2min hard limit)
  LOG_FILE="$LOG_DIR/subscriber-${JOB_ID}-$(date +%s).log"
  log "starting subscriber (2min hard limit, log: $LOG_FILE)"

  (
    cd "$WORKDIR" && timeout 120 .venv/bin/python skills/tmux-agent-orchestrate-delegate-job/scripts/job_subscriber.py \
      --job "$JOB_ID" --timeout 120 --idle-timeout 999999 --registry-dir .hermes/jobs > "$LOG_FILE" 2>&1
    echo "[$(date -u +'%Y-%m-%dT%H:%M:%SZ')] subscriber exited" >> "$LOG_FILE"
  ) &

  SUB_PID=$!
  log "subscriber PID=$SUB_PID"

  # 4) Wait for subscriber to exit or timeout
  wait $SUB_PID 2>/dev/null
  EXIT_CODE=$?
  log "subscriber exited code=$EXIT_CODE"

  sleep 1
done