#!/bin/sh

# Restart the backend service

# 获取命令行参数
if [ $# -ne 1 ]; then
    echo "Usage: $0 [start|stop|status|restart]"
    exit 1
fi

if [ $1 == "start" ]; then
    echo "Starting backend..."
    > log/backend.log  # 清空 logs 文件
    nohup ./backend >> logs 2>&1 &
    echo "backend started."
elif [ $1 == "stop" ]; then
    echo "Stopping backend..."
    PID=$(ps -ef | grep “./backend” | grep -v "grep" | awk '{print $2}')
    if [ -z $PID ]; then
        echo "backend is not running."
        exit 1
    fi
    ps -ef | grep “./backend” | grep -v grep | awk '{print $2}' | xargs kill
    echo "backend stopped."
elif [ $1 == "status" ]; then
    echo "backend status:"
    PID=$(ps -ef | grep “./backend” | grep -v "grep" | awk '{print $2}')
    if [ -z $PID ]; then
        echo "backend is not running."
    else
        echo "backend is running."
    fi
elif [ $1 == "restart" ]; then
    echo "Restarting backend..."
    PID=$(ps -ef | grep “./backend” | grep -v "grep" | awk '{print $2}')
    if [ -n "$PID" ]; then
        echo "backend stoping."
        kill  $PID
    fi
    while [ -n "$PID" ]; do
        sleep 1
        PID=$(ps -ef | grep “./backend” | grep -v "grep" | awk '{print $2}')
    done
    echo "backend stoped."
    > log/backend.log  # 清空 logs 文件
    nohup ./backend >> logs 2>&1 &
    echo "backend restarted."
else
    echo "Usage: $0 [start|stop|status|restart]"
    exit 1
fi