#!/bin/bash

APP_DIR="/volume1/web/ChemiFactoy_MQTT_DB_Logger"
PYTHON="/volume1/web/venv/bin/python3"
PID_FILE="$APP_DIR/server.pid"

if [ -f "$PID_FILE" ]; then
    OLD_PID=$(cat "$PID_FILE")
    if kill -0 "$OLD_PID" 2>/dev/null; then
        kill "$OLD_PID"
        sleep 5
    fi
fi

# 로그를 server.log 파일에 기록하여 장애 발생 시 확인 가능하도록 함
nohup "$PYTHON" "$APP_DIR/main.py" \
    > "$APP_DIR/server.log" 2>&1 &

NEW_PID=$!
echo "$NEW_PID" > "$PID_FILE"

sleep 2

if kill -0 "$NEW_PID" 2>/dev/null; then
    echo "Server started. PID=$NEW_PID"
else
    echo "Server startup failed."
    exit 1
fi