#!/bin/bash

# 检查操作系统
OS=$(uname -s)
if [[ "$OS" != "Darwin" && "$OS" != "Linux" ]]; then
    echo "错误：此脚本仅支持 macOS 和 Linux！"
    exit 1
fi

# 检查依赖文件
SERVICE_FILE="rag.service"
NGINX_FILE="rag.nginx"
if [[ ! -f "$SERVICE_FILE" || ! -f "$NGINX_FILE" ]]; then
    echo "错误：缺少 $SERVICE_FILE 或 $NGINX_FILE 文件"
    exit 1
fi

# 1. 配置服务
if [[ "$OS" == "Darwin" ]]; then
    # macOS: 使用 launchd
    mkdir -p ~/Library/LaunchAgents
    cp rag.service ~/Library/LaunchAgents/
    launchctl load ~/Library/LaunchAgents/rag.service
    launchctl start rag.service
elif [[ "$OS" == "Linux" ]]; then
    # Linux: 使用 Systemd
    sudo cp rag.service /etc/systemd/system/
    sudo systemctl daemon-reload
    sudo systemctl enable rag.service
    sudo systemctl start rag.service
fi

# 2. 配置 Nginx
if ! command -v nginx &> /dev/null; then
    echo "安装 Nginx..."
    if [[ "$OS" == "Darwin" ]]; then
        brew install nginx
    elif [[ "$OS" == "Linux" ]]; then
        sudo apt-get update && sudo apt-get install -y nginx
    fi
fi

# 动态检测 Nginx 配置路径
NGINX_CONF_DIR="/etc/nginx/sites-enabled"
if [[ "$OS" == "Darwin" ]]; then
    NGINX_CONF_DIR="/usr/local/etc/nginx/sites-enabled"
fi
mkdir -p "$NGINX_CONF_DIR"
cp rag.nginx "$NGINX_CONF_DIR/"
nginx -t && nginx -s reload || echo "错误：Nginx 配置重载失败"

echo "安装完成！"