import { ProviderContext } from "../types";

export async function getStream({
  link,
  signal,
  providerContext,
}: {
  link: string;
  type: string;
  signal: AbortSignal;
  providerContext: ProviderContext;
}) {
  const {
    axios,
    cheerio,
    extractors,
    commonHeaders: headers,
  } = providerContext;
  const { hubcloudExtracter } = extractors;
  let hubdriveLink = "";
  if (link.includes("hubdrive")) {
    const hubdriveRes = await axios.get(link, { headers, signal });
    const hubdriveText = hubdriveRes.data;
    const $ = cheerio.load(hubdriveText);
    hubdriveLink =
      $(".btn.btn-primary.btn-user.btn-success1.m-1").attr("href") || link;
  } else {
    const res = await axios.get(link, { headers, signal });
    const text = res.data;
    const encryptedString = text.split("s('o','")?.[1]?.split("',180")?.[0];
    const decodedString: any = decodeString(encryptedString);
    link = atob(decodedString?.o);
    const redirectLink = await getRedirectLinks(link, signal, headers);
    const redirectLinkRes = await axios.get(redirectLink, { headers, signal });
    const redirectLinkText = redirectLinkRes.data;
    const $ = cheerio.load(redirectLinkText);
    hubdriveLink =
      $('h3:contains("1080p")').find("a").attr("href") ||
      redirectLinkText.match(
        /href="(https:\/\/hubcloud\.[^\/]+\/drive\/[^"]+)"/
      )[1];
    if (hubdriveLink.includes("hubdrive")) {
      const hubdriveRes = await axios.get(hubdriveLink, { headers, signal });
      const hubdriveText = hubdriveRes.data;
      const $$ = cheerio.load(hubdriveText);
      hubdriveLink =
        $$(".btn.btn-primary.btn-user.btn-success1.m-1").attr("href") ||
        hubdriveLink;
    }
  }
  const hubdriveLinkRes = await axios.get(hubdriveLink, { headers, signal });
  const hubcloudText = hubdriveLinkRes.data;
  const hubcloudLink =
    hubcloudText.match(
      /<META HTTP-EQUIV="refresh" content="0; url=([^"]+)">/i
    )?.[1] || hubdriveLink;
  try {
    return await hubcloudExtracter(hubcloudLink, signal);
  } catch (error: any) {
    console.log("hd hub 4 getStream error: ", error);
    return [];
  }
}

const encode = function (value: string) {
  return btoa(value.toString());
};
const decode = function (value: string) {
  if (value === undefined) {
    return "";
  }
  return atob(value.toString());
};
const pen = function (value: string) {
  return value.replace(/[a-zA-Z]/g, function (_0x1a470e: any) {
    return String.fromCharCode(
      (_0x1a470e <= "Z" ? 90 : 122) >=
        (_0x1a470e = _0x1a470e.charCodeAt(0) + 13)
        ? _0x1a470e
        : _0x1a470e - 26
    );
  });
};

const abortableTimeout = (
  ms: number,
  { signal }: { signal?: AbortSignal } = {}
) => {
  return new Promise((resolve, reject) => {
    if (signal && signal.aborted) {
      return reject(new Error("Aborted"));
    }

    const timer = setTimeout(resolve, ms);

    if (signal) {
      signal.addEventListener("abort", () => {
        clearTimeout(timer);
        reject(new Error("Aborted"));
      });
    }
  });
};

export async function getRedirectLinks(
  link: string,
  signal: AbortSignal,
  headers: any
) {
  try {
    const res = await fetch(link, { headers, signal });
    const resText = await res.text();

    var regex = /ck\('_wp_http_\d+','([^']+)'/g;
    var combinedString = "";

    var match;
    while ((match = regex.exec(resText)) !== null) {
      // console.log(match[1]);
      combinedString += match[1];
    }
    // console.log(decode(combinedString));
    const decodedString = decode(pen(decode(decode(combinedString))));
    // console.log(decodedString);
    const data = JSON.parse(decodedString);
    console.log(data);
    const token = encode(data?.data);
    const blogLink = data?.wp_http1 + "?re=" + token;
    // abort timeout on signal
    let wait = abortableTimeout((Number(data?.total_time) + 3) * 1000, {
      signal,
    });

    await wait;
    console.log("blogLink", blogLink);

    let vcloudLink = "Invalid Request";
    while (vcloudLink.includes("Invalid Request")) {
      const blogRes = await fetch(blogLink, { headers, signal });
      const blogResText = (await blogRes.text()) as any;
      if (blogResText.includes("Invalid Request")) {
        console.log(blogResText);
      } else {
        vcloudLink = blogResText.match(/var reurl = "([^"]+)"/) || "";
        break;
      }
    }

    // console.log('vcloudLink', vcloudLink?.[1]);
    return blogLink || link;
  } catch (err) {
    console.log("Error in getRedirectLinks", err);
    return link;
  }
}

function rot13(str: string) {
  return str.replace(/[a-zA-Z]/g, function (char) {
    const charCode = char.charCodeAt(0);
    const isUpperCase = char <= "Z";
    const baseCharCode = isUpperCase ? 65 : 97;
    return String.fromCharCode(
      ((charCode - baseCharCode + 13) % 26) + baseCharCode
    );
  });
}

export function decodeString(encryptedString: string) {
  try {
    // First base64 decode
    let decoded = atob(encryptedString);

    // Second base64 decode
    decoded = atob(decoded);

    // ROT13 decode
    decoded = rot13(decoded);

    // Third base64 decode
    decoded = atob(decoded);

    // Parse JSON
    return JSON.parse(decoded);
  } catch (error) {
    console.error("Error decoding string:", error);
    return null;
  }
}