import {default as createQueue, PRIORITY} from '../http-queue';
import ssrConfig from '../../../ssr-config'
import {substituteVars} from "../../../utils/format";

const CLIENT_ID = 'u0swxz56n4iumc634at1osoqdk31qt';

const TWITCH_AUTH_URL = 'https://id.twitch.tv/oauth2'
const AUTHORIZATION_URL = `${TWITCH_AUTH_URL}/authorize?client_id=${CLIENT_ID}&redirect_uri=${encodeURIComponent(ssrConfig.domain + '/twitch')}&response_type=token` + '&scope=${scopes}&state=${state}';
const VALIDATE_URL = `${TWITCH_AUTH_URL}/validate`

const TWITCH_API_URL = 'https://api.twitch.tv/helix';
const PROFILE_URL = TWITCH_API_URL + '/users?login=${login}';
const VIDEOS_URL = TWITCH_API_URL + '/videos?user_id=${userId}&type=${type}&first=100';
const STREAMS_URL = TWITCH_API_URL + '/streams?user_id=${userId}';

export default (options = {}) => {
  const queue = createQueue(options);

  const {fetchJson, fetchHtml, ...queueToReturn} = queue;

  const fetchApi = (url, accessToken, priority = PRIORITY.FG_LOW, options = {}) => fetchJson(
    url,
    {
      ...options,
      headers: {
        'Client-ID': CLIENT_ID,
        'Authorization': `Bearer ${accessToken}`
      }
    },
    priority,
  )

  const getAuthUrl = (state = '', scopes = '') => substituteVars(AUTHORIZATION_URL, {state: encodeURIComponent(state), scopes: encodeURIComponent(scopes)});

  const validateToken = async (accessToken, priority = PRIORITY.FG_LOW, options = {}) => fetchJson(VALIDATE_URL, {...options, headers: {'Authorization': `OAuth ${accessToken}`}}, priority)

  const profile = async (accessToken, login, priority = PRIORITY.FG_LOW, options = {}) => fetchApi(substituteVars(PROFILE_URL, {login: encodeURIComponent(login)}), accessToken, priority, options)

  const videos = async (accessToken, userId, type = 'archive', priority = PRIORITY.FG_LOW, options = {}) => fetchApi(substituteVars(VIDEOS_URL, {userId: encodeURIComponent(userId), type: encodeURIComponent(type)}), accessToken, priority, options)

  const streams = async (accessToken, userId, priority = PRIORITY.FG_LOW, options = {}) => fetchApi(substituteVars(STREAMS_URL, {userId: encodeURIComponent(userId)}), accessToken, priority, options)

  return {
    getAuthUrl,
    validateToken,
    profile,
    videos,
    streams,
    ...queueToReturn,
  }
}