'use strict';

const express = require('express');
const request = require('request');
const bodyParser = require('body-parser');
const { expressSetHeaders } = require('./headers.js');

// Constants
const B2_BASE_URL = 'https://api.backblazeb2.com/b2api/v1/';

// App
const app = express();
app.use(bodyParser.text());

app.use(
	express.static('./dist/', {
		dotfiles: 'ignore',
		etag: false,
		index: ['index.html'],
		setHeaders: expressSetHeaders
	})
);

app.get('/api/v1/authorize_account', (req, res) => {
	request(
		{
			url: B2_BASE_URL + 'b2_authorize_account',
			headers: { Authorization: req.get('Authorization') }
		},
		function(error, response, body) {
			res.set(response.headers);
			res.send(body);
		}
	);
});

const POSTRedirect = url => (req, res) => {
	request.post(
		{
			url: req.get('apiUrl') + url,
			headers: { Authorization: req.get('Authorization') },
			body: req.body
		},
		function(error, response, body) {
			res.send(body);
		}
	);
};

app.post('/api/v1/get_upload_url', POSTRedirect('/b2api/v1/b2_get_upload_url'));
app.post('/api/v1/get_file_info', POSTRedirect('/b2api/v1/b2_get_file_info'));
app.post('/api/v1/remove_file', POSTRedirect('/b2api/v1/b2_delete_file_version'));

module.exports = {
	app: app
};

if (require.main === module) {
	// While this can work in Chrome, it is not ready for prime-time without a security certificate.
	app.listen(8090, '127.0.0.1');
}