import express from 'express';
import { exportMergedJson } from './bqexport.js';

const app = express();

// Middleware to parse JSON bodies
app.use(express.json());

// Health check endpoint
app.get('/', (req, res) => {
    res.json({
        status: 'OK',
        message: 'BigQuery Export Service is running',
        endpoints: {
            export: 'POST /export - Export BigQuery data to GCS'
        }
    });
});

app.post('/export', async (req, res) => {
    try {
        const { companyId, applicationId } = req.body;

        console.log(`Received export request:`);
        console.log(`Company ID: ${companyId}`);
        console.log(`Application ID: ${applicationId}`);

        // Call the BigQuery export function
        const result = await exportMergedJson(req, res);

        // Send success response
        res.status(200).json({
            success: true,
            signedUrl: result.signedUrl,
            message: result.message,
            companyId: result.companyId,
            applicationId: result.applicationId,
            destination: result.destination
        });
    } catch (error) {
        console.error('Export endpoint error:', error);
        res.status(500).json({
            success: false,
            error: error.message
        });
    }
});

const PORT = process.env.PORT || 8080;
app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});