import express from 'express';
import bodyParser from 'body-parser';
import cors from 'cors';
import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const app = express();
const PORT = 3000;

// 获取当前文件的目录路径
const __dirname = path.dirname(fileURLToPath(import.meta.url));

const FILE_PATH = path.join(__dirname, '../src/modules/previewScheme.json');

app.use(cors());
app.use(bodyParser.json());

app.post('/save', (req, res) => {
    const data = req.body;
    try {
        fs.writeFileSync(FILE_PATH, JSON.stringify(data, null, 2));
        res.status(200).send('Data saved successfully');
    } catch (error) {
        res.status(500).send('Error saving data');
    }
});

app.get('/load', (req, res) => {
    try {
        const data = fs.readFileSync(FILE_PATH, 'utf-8');
        res.status(200).json(JSON.parse(data));
    } catch (error) {
        res.status(500).send('Error loading data');
    }
});

app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});