#!/bin/bash
# Watchdog: keep deep crawl alive; restart on death.
set -u
ROOT="/Users/jack/Project/digital-psychology"
LOG="/tmp/cece-capture-deep-full.log"
PIDFILE="/tmp/cece-capture-deep.pid"
MAX_RESTARTS=30
cd "$ROOT"

restart=0
while [ "$restart" -lt "$MAX_RESTARTS" ]; do
  if [ -f "$PIDFILE" ] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
    sleep 20
    continue
  fi
  restart=$((restart + 1))
  echo "[$(date '+%F %T')] watchdog start #$restart" >> "$LOG"
  adb shell am start -n com.xxwolo.cc5/com.cece.app.MainActivity >/dev/null 2>&1 || true
  sleep 2
  nohup python3 -u tools/cece_capture_deep.py >> "$LOG" 2>&1 &
  echo $! > "$PIDFILE"
  echo "[$(date '+%F %T')] pid=$(cat "$PIDFILE")" >> "$LOG"
  # wait until death
  while kill -0 "$(cat "$PIDFILE")" 2>/dev/null; do
    sleep 15
    # stall detection: no log growth 3 min
    if [ -f "$LOG" ]; then
      sz1=$(wc -c < "$LOG")
      sleep 90
      sz2=$(wc -c < "$LOG")
      if [ "$sz1" -eq "$sz2" ] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
        echo "[$(date '+%F %T')] stall → kill $(cat "$PIDFILE")" >> "$LOG"
        kill "$(cat "$PIDFILE")" 2>/dev/null || true
        sleep 2
        kill -9 "$(cat "$PIDFILE")" 2>/dev/null || true
        break
      fi
    fi
  done
  echo "[$(date '+%F %T')] crawl exited, restart soon" >> "$LOG"
  sleep 5
done
echo "[$(date '+%F %T')] watchdog gave up after $MAX_RESTARTS" >> "$LOG"