'use strict';

const R = require('ramda');
const constants = require('./lib/constants');
const memoizee = require('memoizee');

const appMethod = require('./lib/app');
const getParseList = require('./lib/utils/parseList');
const parseList = R.partial(getParseList, [appMethod]);

const methods = {
  app: appMethod,
  list: R.partial(require('./lib/list'), [parseList]),
  search: R.partial(require('./lib/search'), [parseList]),
  suggest: require('./lib/suggest'),
  developer: R.partial(require('./lib/developer'), [parseList]),
  reviews: require('./lib/reviews'),
  similar: require('./lib/similar'),
  permissions: require('./lib/permissions'),
  categories: require('./lib/categories')
};

function memoized (opts) {
  const cacheOpts = Object.assign({
    primitive: true,
    normalizer: JSON.stringify,
    maxAge: 1000 * 60 * 5, // cache for 5 minutes
    max: 1000 // save up to 1k results to avoid memory issues
  }, opts);

  // need to rebuild the methods so they all share the same memoized appMethod
  const doMemoize = (fn) => memoizee(fn, cacheOpts);
  const mAppMethod = memoizee(appMethod, cacheOpts);
  const mParseList = R.partial(getParseList, [mAppMethod]);

  const otherMethods = {
    list: R.partial(require('./lib/list'), [mParseList]),
    search: R.partial(require('./lib/search'), [mParseList]),
    suggest: require('./lib/suggest'),
    developer: R.partial(require('./lib/developer'), [mParseList]),
    reviews: require('./lib/reviews'),
    similar: require('./lib/similar'),
    permissions: require('./lib/permissions'),
    categories: require('./lib/categories')
  };

  return Object.assign({app: mAppMethod},
                       constants,
                       R.map(doMemoize, otherMethods));
}

module.exports = Object.assign({memoized}, constants, methods);