'use strict';
/**
 * Functions to interact with 3rd party, online due-diligence services for
 * Anti-money laundering etc.
 */
var Q = require('q');
var featureFlags = require(global.pathPrefix + '../utils/feature-flags/feature-flags.js');
var errors = require(global.pathPrefix + '../utils/diligence/diligence_errors.js');
var tracesmartIduAml = require(global.pathPrefix + '../utils/diligence/tracesmart-idu-aml.js');

const defaultProvider = 'tracesmart-idu-aml';

module.exports = {
    ERRORS: errors.ERRORS,
    WARNINGS: errors.WARNINGS,
    verifyIdentity: verifyIdentity
};

/**
 * Verifies the identity of the person using the provided information
 *
 * @param {Object} client       - The client object for this person
 * @param {Object} address      - The address object for this _person_ (not credit card!)
 * @param {Object} provider     - The provider to use (or undefined for default provider)
 *
 * @return {Promise}            - A promise for the completion of the verification
 */
function verifyIdentity(client, address, provider) {
    //
    // If this feature isn't enabled for this client, then return a success
    //
    if (!featureFlags.isEnabled('diligence', client)) {
        return Q.resolve({
            Smartscore: 999 // Use an excesively high number to indicate didn't run
        });
    }

    //
    // If the feature is enabled then get the right provider and progress
    //
    provider = provider || defaultProvider;
    switch (provider) {
        case 'tracesmart-idu-aml':
            return tracesmartIduAml.verifyIdentity(client, address);

        default:
            return Q.reject({name: errors.ERRORS.UNKNOWN_PROVIDER});
    }
}