#!/bin/bash

# daemon.sh - Ensures the evolver loop is running

# Use absolute paths

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

WRAPPER_SCRIPT="$SCRIPT_DIR/index.js"

LOG_DIR="$SCRIPT_DIR/../../logs"

PID_FILE="$SCRIPT_DIR/../../memory/evolver_loop.pid"

mkdir -p "$LOG_DIR"

# Check if process is running via PID file

if [ -f "$PID_FILE" ]; then

PID=$(cat "$PID_FILE")

if ps -p "$PID" > /dev/null 2>&1; then

# Check if it's actually the evolver wrapper

CMDLINE=$(ps -p "$PID" -o args=)

if [[ "$CMDLINE" == *"feishu-evolver-wrapper/index.js"* ]]; then

# Still running, exit silently

exit 0

fi

fi

fi

# Not running or stale PID file. Look for process by name just in case.

# Exclude grep, exclude self

PIDS=$(pgrep -f "node .*feishu-evolver-wrapper/index.js --loop")

if [ -n "$PIDS" ]; then

# Found running process, update PID file

echo "$PIDS" | head -n1 > "$PID_FILE"

exit 0

fi

# Start it

echo "[$(date)] Starting evolver loop..." >> "$LOG_DIR/evolver_daemon.log"

# Use setsid to detach completely

setsid nohup node "$WRAPPER_SCRIPT" --loop >> "$LOG_DIR/evolver_loop.log" 2>&1 &

NEW_PID=$!

# Wait briefly to let it start and stabilize

sleep 1

# Check if it stayed running

if ps -p "$NEW_PID" > /dev/null 2>&1; then

echo "$NEW_PID" > "$PID_FILE"

echo "[$(date)] Started with PID $NEW_PID" >> "$LOG_DIR/evolver_daemon.log"

else

echo "[$(date)] Start failed immediately." >> "$LOG_DIR/evolver_daemon.log"

fi