import {
  constructUrl,
  formatPostData,
  parseQueryParams,
  request,
  unwrapJson,
  validateResponse,
} from './helpers.js';

import { API_URL } from '../constants/constants.js';

const DefaultRequestOptions = {};

const endpoints = {
  // Events and Items
  GET_EVENTS: '/events',
//   GET_ITEMS: '/items?eventId=:event_id',
  GET_ITEMS: '/items',

  // Auction Interactions
//   GET_STATUS: '/auction/:event_id',
  GET_STATUS: '/auction',
  PLACE_BID: '/bids/:item_id',
  PURCHASE_ITEM: '/sales',

  // User/Profile
  USER_SIGNUP: '/signup',
  USER_PROFILE: '/users/:user_id',

  // Services
  APPLE_SIGNUP: '/auth/apple/login',
  APPLE_LINK: '/auth/apple/link',
  FACEBOOK_SIGNUP: '/auth/facebook/login',
  FACEBOOK_LINK: '/auth/facebook/link',
  GOOGLE_SIGNUP: '/auth/google/login',
  GOOGLE_LINK: '/auth/google/link',
};

const cacheBuster = () => {
  const timestamp = String(Date.now());
  return `?buster=${timestamp}`;
};

export const getEndpointUrl = (endpoint) => {
  if (!endpoints[endpoint]) {
    throw new Error('Invalid API endpoint specified');
  }

  return `${API_URL}${endpoints[endpoint]}`; //`${cacheBuster()}`;
};

export const requestGet = (path, queryParams = [], requestOptions = {}) => {
  const params = parseQueryParams(queryParams);

  if (params === null) {
    throw new Error('Invalid queryParams');
  }

  return request(constructUrl(path, params), {
      ...DefaultRequestOptions,
      ...requestOptions
    })
    .then(validateResponse)
    .then(unwrapJson);
};

export const requestPost = (options) => {
  const {
    path,
    body = {},
    queryParams = [],
    requestOptions = {},
    isFormattedPostData = false
  } = options;

  const params = parseQueryParams(queryParams || []);

  if (params === null) {
    throw new Error('invalid queryParams');
  }

  // Additional formatting happens in `formatPostData()`
  // like handling what jQuery calls `traditional` form data
  return request(constructUrl(path, params), {
      ...DefaultRequestOptions,
      ...requestOptions,
      method: 'POST',
      body: isFormattedPostData ? body : formatPostData(body)
    })
    .then(validateResponse)
    .then(unwrapJson);
};