const express = require('express');
const { GoogleNewsScraper } = require('google-news-scraper');

require('dotenv').config();

const app = express();
const PORT = process.env.PORT || 3000;

// 使express能解析URL-encoded和JSON请求体
app.use(express.urlencoded({ extended: true }));
app.use(express.json());

// 路由处理，根据请求中的query参数返回新闻数据
app.get('/news', async (req, res) => {
    const searchTerm = req.query.searchTerm || 'artificial intelligence';  // 如果没有提供searchTerm，默认使用'artificial intelligence'
    try {
        const scraper = new GoogleNewsScraper({
            searchTerm: searchTerm,
            prettyURLs: true,
            timeframe: '1d', // 获取过去一天的新闻
            puppeteerArgs: ['--no-sandbox', '--disable-setuid-sandbox']
        });

        const results = await scraper.getNews();
        res.json(results);
    } catch (error) {
        console.error('Error fetching news:', error);
        res.status(500).send('Failed to fetch news');
    }
});

// 启动服务器
app.listen(PORT, () => {
    console.log(`Server is running on http://localhost:${PORT}`);
});