const cleanString = (input) => {
  const substringsToRemove = [
    "Depositary",
    "Inc.",
    "Incorporated",
    "Holdings",
    "Corporation",
    "Corporations",
    "LLC",
    "Holdings plc American Depositary Shares",
    "Holding Corporation",
    "Oyj",
    "Company",
    "The",
    "plc",
  ];
  const pattern = new RegExp(`\\b(${substringsToRemove.join("|")})\\b|,`, "gi");
  return input?.replace(pattern, "").trim();
};

const fetchData = async (apiURL, apiKey, endpoint, ticker) => {
  const response = await fetch(`${apiURL}${endpoint}`, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "X-API-KEY": apiKey,
    },
    body: JSON.stringify({ ticker }),
  });
  return response.json();
};

const fetchFromFastify = async (fastifyURL, endpoint, userId) => {
  const response = await fetch(`${fastifyURL}${endpoint}`, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ userId }),
  });
  const { items } = await response.json();
  return items;
};

const fetchCommunitySentiment = async (pb, ticker, cookies) => {
  const cookieVote = cookies.get(`community-sentiment-${ticker}`);
  const today = new Date().toISOString().split("T")[0];
  const tomorrow = new Date(new Date().setDate(new Date().getDate() + 1))
    .toISOString()
    .split("T")[0];

  const output = await pb.collection("sentiment").getFullList({
    filter: `ticker="${ticker}" && created >= "${today}" && created < "${tomorrow}"`,
  });

  return {
    alreadyVoted: cookieVote || null,
    sentimentData: output?.at(0) || {},
  };
};

export const load = async ({ params, locals, cookies, setHeaders }) => {
  const { apiURL, fastifyURL, apiKey, pb, user } = locals;
  const { tickerID } = params;

  const endpoints = [
    "/similar-stocks",
    "/stockdeck",
    "/analyst-summary-rating",
    "/stock-quote",
    "/bull-bear-say",
    "/wiim",
    "/top-etf-ticker-holder",
    "/one-day-price",
    "/next-earnings",
    "/earnings-surprise",
  ];

  const promises = [
    ...endpoints.map((endpoint) =>
      fetchData(apiURL, apiKey, endpoint, tickerID)
    ),
    fetchFromFastify(fastifyURL, "/all-watchlists", user?.id),
    //fetchFromFastify(fastifyURL, '/get-portfolio-data', user?.id),
    fetchCommunitySentiment(pb, tickerID, cookies),
  ];

  const [
    getSimilarStock,
    getStockDeck,
    getAnalystRating,
    getStockQuote,
    getBullBearSay,
    getWhyPriceMoved,
    getTopETFHolder,
    getOneDayPrice,
    getNextEarnings,
    getEarningsSurprise,
    getUserWatchlist,
    getCommunitySentiment,
  ] = await Promise.all(promises);

  setHeaders({ "cache-control": "public, max-age=300" });

  return {
    getSimilarStock,
    getStockDeck,
    getAnalystRating,
    getStockQuote,
    getBullBearSay,
    getWhyPriceMoved,
    getTopETFHolder,
    getOneDayPrice,
    getNextEarnings,
    getEarningsSurprise,
    getUserWatchlist,
    getCommunitySentiment,
    companyName: cleanString(getStockDeck?.at(0)?.companyName),
  };
};