const path = require('path');
const _ = require('lodash');
const request = require('request');
const config = global.yoho.config;

module.exports = {
    sw(req, res) {
        res.set({
            'Cache-Control': 'no-cache',
            Pragma: 'no-cache',
            Expires: (new Date(1900, 0, 1, 0, 0, 0, 0)).toUTCString()
        });
        if (_.get(res, 'app.locals.devEnv')) {
            return request({
                url: `http:${config.assetUrl}${req.originalUrl.substring(1)}`
            }).pipe(res);
        } else {
            return res.sendFile(path.join(__dirname, '../../../public/static/sw.js'));
        }
    },
    manifest(req, res) {
        res.sendFile(path.join(__dirname, '../../../public/static/manifest.json'));
    }
};