/* eslint no-control-regex: "off" */
import Yadda from 'yadda';
import YAML from 'js-yaml';
import { env } from '../env';
export default function(annotations, nspace, dict = new Yadda.Dictionary()) {
  dict
    .define('model', /(\w+)/, function(model, cb) {
      switch (model) {
        case 'datacenter':
        case 'datacenters':
        case 'dcs':
          model = 'dc';
          break;
        case 'services':
          model = 'service';
          break;
        case 'nodes':
          model = 'node';
          break;
        case 'kvs':
          model = 'kv';
          break;
        case 'acls':
          model = 'acl';
          break;
        case 'sessions':
          model = 'session';
          break;
        case 'intentions':
          model = 'intention';
          break;
      }
      cb(null, model);
    })
    .define('number', /(\d+)/, Yadda.converters.integer)
    .define('json', /([^\u0000]*)/, function(val, cb) {
      // replace any instance of @namespace in the string
      val = val.replace(
        /@namespace/g,
        typeof nspace === 'undefined' || nspace === '' ? 'default' : nspace
      );
      cb(null, JSON.parse(val));
    })
    .define('yaml', /([^\u0000]*)/, function(val, cb) {
      // sometimes we need to always force a namespace queryParam
      // mainly for DELETEs
      if (env('CONSUL_NSPACES_ENABLED')) {
        val = val.replace(/ns=@!namespace/g, `ns=${nspace || 'default'}`);
      } else {
        val = val.replace(/&ns=@!namespace/g, '');
        val = val.replace(/&ns=\*/g, '');
        val = val.replace(/- \/v1\/namespaces/g, '');
      }
      if (typeof nspace === 'undefined' || nspace === '') {
        val = val.replace(/Namespace: @namespace/g, '').replace(/&ns=@namespace/g, '');
      }
      // replace any other instance of @namespace in the string
      val = val.replace(
        /@namespace/g,
        typeof nspace === 'undefined' || nspace === '' ? 'default' : nspace
      );
      cb(null, YAML.safeLoad(val));
    })
    .define('endpoint', /([^\u0000]*)/, function(val, cb) {
      // if is @namespace is !important, always replace with namespace
      // or if its undefined or empty then use default
      if (env('CONSUL_NSPACES_ENABLED')) {
        val = val.replace(/ns=@!namespace/g, `ns=${nspace || 'default'}`);
      } else {
        val = val.replace(/&ns=@!namespace/g, '');
        val = val.replace(/&ns=\*/g, '');
      }
      // for endpoints if namespace isn't specified it should
      // never add the ns= unless its !important...
      if (typeof nspace !== 'undefined' && nspace !== '') {
        val = val.replace(/ns=@namespace/g, `ns=${nspace}`);
      } else {
        val = val
          .replace(/&ns=@namespace/g, '')
          .replace(/ns=@namespace&/g, '')
          .replace(/ns=@namespace/g, '');
      }
      cb(null, val);
    });
  if (typeof nspace !== 'undefined' && nspace !== '') {
    dict.define('url', /([^\u0000]*)/, function(val, cb) {
      val = `/~${nspace}${val}`;
      cb(null, val);
    });
  }
  return dict;
}
