const express       = require('express');
const jwtdecode     = require('../lib/express/jwt-decode');
const apiValidator  = require('../lib/validator/api');
const internalToken = require('../internal/token');
const schema        = require('../schema');

let router = express.Router({
	caseSensitive: true,
	strict:        true,
	mergeParams:   true
});

router
	.route('/')
	.options((_, res) => {
		res.sendStatus(204);
	})

	/**
	 * GET /tokens
	 *
	 * Get a new Token, given they already have a token they want to refresh
	 * We also piggy back on to this method, allowing admins to get tokens
	 * for services like Job board and Worker.
	 */
	.get(jwtdecode(), (req, res, next) => {
		internalToken.getFreshToken(res.locals.access, {
			expiry: (typeof req.query.expiry !== 'undefined' ? req.query.expiry : null),
			scope:  (typeof req.query.scope !== 'undefined' ? req.query.scope : null)
		})
			.then((data) => {
				res.status(200)
					.send(data);
			})
			.catch(next);
	})

	/**
	 * POST /tokens
	 *
	 * Create a new Token
	 */
	.post(async (req, res, next) => {
		apiValidator(schema.getValidationSchema('/tokens', 'post'), req.body)
			.then(internalToken.getTokenFromEmail)
			.then((data) => {
				res.status(200)
					.send(data);
			})
			.catch(next);
	});

module.exports = router;