#!/bin/bash

# 订单班AI生成方案展示系统 - 启动脚本
# 端口: 4155
# 支持局域网访问

# 颜色定义
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

# 获取脚本所在目录
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# 获取局域网IP
get_lan_ip() {
    if [[ "$OSTYPE" == "darwin"* ]]; then
        ifconfig | grep "inet " | grep -v 127.0.0.1 | head -1 | awk '{print $2}'
    else
        hostname -I | awk '{print $1}'
    fi
}

echo -e "${BLUE}==========================================${NC}"
echo -e "${BLUE}    订单班AI生成方案展示系统${NC}"
echo -e "${BLUE}    端口: 4155${NC}"
echo -e "${BLUE}    支持局域网访问${NC}"
echo -e "${BLUE}==========================================${NC}"
echo

# 切换到脚本所在目录
cd "$SCRIPT_DIR"

# 检查 Node.js
if ! command -v node &> /dev/null; then
    echo -e "${RED}[错误] Node.js 未安装${NC}"
    echo -e "${YELLOW}请先安装 Node.js: https://nodejs.org${NC}"
    exit 1
fi

echo -e "${GREEN}[信息] Node.js 版本: $(node --version)${NC}"

# 检查是否安装了依赖
if [ ! -d "node_modules" ]; then
    echo -e "${YELLOW}[信息] 首次运行，正在安装依赖...${NC}"
    npm install
    if [ $? -eq 0 ]; then
        echo -e "${GREEN}[成功] 依赖安装完成${NC}"
    else
        echo -e "${RED}[错误] 依赖安装失败${NC}"
        exit 1
    fi
    echo
fi

# 获取局域网IP
LAN_IP=$(get_lan_ip)
if [ -z "$LAN_IP" ]; then
    echo -e "${YELLOW}[警告] 无法获取局域网IP，将只监听本地${NC}"
    LAN_IP="localhost"
fi

# 检查端口是否被占用
if lsof -Pi :4155 -sTCP:LISTEN -t >/dev/null 2>&1; then
    echo -e "${YELLOW}[警告] 端口 4155 已被占用${NC}"
    echo -e "${BLUE}[信息] 正在查看占用进程...${NC}"
    lsof -i :4155

    read -p "是否终止占用进程？(y/N): " kill_process
    if [[ $kill_process =~ ^[Yy]$ ]]; then
        echo -e "${BLUE}[信息] 正在终止占用进程...${NC}"
        lsof -ti:4155 | xargs kill -9
        echo -e "${GREEN}[成功] 进程已终止${NC}"
        sleep 1
    else
        echo -e "${RED}[错误] 无法启动服务器，端口被占用${NC}"
        exit 1
    fi
fi

# 启动服务器
echo -e "${GREEN}[信息] 正在启动服务器...${NC}"
echo
echo -e "${GREEN}╔═══════════════════════════════════════════════╗${NC}"
echo -e "${GREEN}║        订单班AI生成方案展示系统              ║${NC}"
echo -e "${GREEN}╠═══════════════════════════════════════════════╣${NC}"
echo -e "${GREEN}║${NC} 🏠 本地访问:"
echo -e "${GREEN}║${NC}    ${BLUE}http://localhost:4155${NC}"
echo -e "${GREEN}║${NC}"
if [ "$LAN_IP" != "localhost" ]; then
    echo -e "${GREEN}║${NC} 🌐 局域网访问:"
    echo -e "${GREEN}║${NC}    ${BLUE}http://${LAN_IP}:4155${NC}"
    echo -e "${GREEN}║${NC}"
    echo -e "${GREEN}║${NC} 📱 移动设备访问:"
    echo -e "${GREEN}║${NC}    ${BLUE}http://${LAN_IP}:4155${NC}"
    echo -e "${GREEN}║${NC}"
fi
echo -e "${GREEN}║${NC} 📋 访问示例:"
echo -e "${GREEN}║${NC}    • 首页: ${BLUE}http://localhost:4155/${NC}"
echo -e "${GREEN}║${NC}    • 文旅: ${BLUE}http://localhost:4155/order-class/wenlu${NC}"
echo -e "${GREEN}║${NC}    • 食品: ${BLUE}http://localhost:4155/order-class/food${NC}"
echo -e "${GREEN}║${NC}    • 财经: ${BLUE}http://localhost:4155/order-class/finance${NC}"
echo -e "${GREEN}║${NC}    • 土木: ${BLUE}http://localhost:4155/order-class/civil${NC}"
echo -e "${GREEN}║${NC}"
echo -e "${GREEN}║${NC} 🔗 或使用URL参数:"
echo -e "${GREEN}║${NC}    ${BLUE}http://localhost:4155/?class=wenlu${NC}"
echo -e "${GREEN}║${NC}    ${BLUE}http://localhost:4155/?class=food${NC}"
echo -e "${GREEN}╚═══════════════════════════════════════════════╝${NC}"
echo
echo -e "${YELLOW}[提示] 按 Ctrl+C 停止服务器${NC}"
echo

# 启动Node.js服务器
node app.js