(function () {
  'use strict';

  angular
    .module('app.offline')
    .factory('offlineInterceptor', offlineInterceptor);

  offlineInterceptor.$inject = ['API_ENDPOINT', 'offlineStorageService', 'store'];

  function offlineInterceptor(API_ENDPOINT, offlineStorageService, store) {
    var api = API_ENDPOINT.replace(/\//g, "\\/");

    return {
      response: response,
      responseError: responseError
    };

    function response(response) {
      var url;

      if (_validIntercept(response)) {
        url = response.config.url;
        if (_matchApi(url)) {
          offlineStorageService.set(_getUrlKey(url), response.data);
          offlineStorageService.findImage(response.data);
        }
      }

      return response;
    }

    function responseError(response) {
      var url;

      if (_validIntercept(response)) {
        url = response.config.url;
        if (_matchApi(url)) {
          response.data = offlineStorageService.get(_getUrlKey(url));
        }
      }
      return response;
    }

    function _validIntercept(response) {
      return _verifyStore() && response.config.method === 'GET';
    }

    function _verifyStore() {
      return store.get('token') && store.get('profileComplete');
    }

    function _getUrlKey(url) {
      return url.replace(API_ENDPOINT, '').replace(/\//g, '.');
    }

    function _matchApi(url) {
      return url.match(api);
    }
  }


})();