'use strict'

const url = require('url')

const path = require('path')

const debug = require('../debug').authentication

const OidcManager = require('oidc-auth-manager')

/**

* Returns an instance of the OIDC Authentication Manager, initialized from

* argv / config.json server parameters.

*

* @param argv {Object} Config hashmap

*

* @param argv.host {SolidHost} Initialized SolidHost instance, including

* `serverUri`.

*

* @param [argv.dbPath='./db/oidc'] {string} Path to the auth-related storage

* directory (users, tokens, client registrations, etc, will be stored there).

*

* @param argv.saltRounds {number} Number of bcrypt password salt rounds

*

* @return {OidcManager} Initialized instance, includes a UserStore,

* OIDC Clients store, a Resource Authenticator, and an OIDC Provider.

*/

function fromServerConfig (argv) {

let providerUri = argv.host.serverUri

let authCallbackUri = url.resolve(providerUri, '/api/oidc/rp')

let postLogoutUri = url.resolve(providerUri, '/goodbye')

let dbPath = path.join(argv.dbPath, 'oidc')

let options = {

debug,

providerUri,

dbPath,

authCallbackUri,

postLogoutUri,

saltRounds: argv.saltRounds,

host: { debug }

}

return OidcManager.from(options)

}

module.exports = {

fromServerConfig

}