/**
  * Controller to manage the Content Security Policy reporting functions
  */
'use strict';

var httpStatus = require('http-status-codes');
var debug = require('debug')('webconsole-api:controllers:postcodes');
var postcodeUtils = require(global.pathPrefix + '../utils/postcodes.js');
var responseUtils = require(global.pathPrefix + '../utils/responses.js');
var swaggerUtils = require(global.pathPrefix + '../utils/swaggerUtils.js');

module.exports = {
    postcodeLookup: postcodeLookup
};

/**
 * Runs a postcode lookup and returns a list of addresses that could match that
 * postcode.
 *
 * @param {Object} req  - Express request object
 * @param {Object} res  - Express response object
 */
function postcodeLookup(req, res) {
    debug('Postcode Lookup: ', req.swagger.params.postcode.originalValue);

    const lookupP = postcodeUtils.postcodeLookup(req.swagger.params.postcode.originalValue);
    lookupP.then((addresses) => {
        //
        // Null any nullable fields
        //
        swaggerUtils.getAndApplyNullableFields(req.swagger.operation, addresses);
        res.status(httpStatus.OK).json(addresses);
    }).catch((error) => {
        const responseHandler = new responseUtils.ErrorResponses([]);
        responseHandler.respond(res, error);
    });
}