import fs from "fs/promises";
import _axios from "../index.js";
import { exec } from "./repo.js";
import { colorize } from "./helpers/colorize.js";

const axios = _axios.create({
  headers: {
    "User-Agent":
      "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36",
  },
});

const getWithRetry = (url, retries = 3) => {
  let counter = 0;
  const doRequest = async () => {
    try {
      return await axios.get(url);
    } catch (err) {
      if (counter++ >= retries) {
        throw err;
      }
      await new Promise((resolve) =>
        setTimeout(resolve, counter ** counter * 1000),
      );
      return doRequest();
    }
  };

  return doRequest();
};

const updateReadmeSponsors = async (
  url,
  path,
  marker = "<!--<div>marker</div>-->",
) => {
  let fileContent = (await fs.readFile(path)).toString();

  const index = fileContent.indexOf(marker);

  if (index >= 0) {
    const readmeContent = fileContent.slice(index);

    let { data: sponsorContent } = await getWithRetry(url);
    sponsorContent += "\n";

    const currentSponsorContent = fileContent.slice(0, index);

    if (currentSponsorContent !== sponsorContent) {
      console.log(colorize()`Sponsor block in [${path}] is outdated`);
      await fs.writeFile(path, sponsorContent + readmeContent);
      return sponsorContent;
    } else {
      console.log(colorize()`Sponsor block in [${path}] is up to date`);
    }
  } else {
    console.warn(
      colorize()`Can not find marker (${marker}) in ${path} to inject sponsor block`,
    );
  }

  return false;
};

(async (url) => {
  const newContent = await updateReadmeSponsors(url, "./README.md");

  await exec(
    `echo "changed=${newContent ? "true" : "false"}" >> $GITHUB_OUTPUT`,
  );
  if (newContent !== false) {
    await fs.mkdir("./temp").catch(() => {});
    await fs.writeFile("./temp/sponsors.md", newContent);
  }
})("https://axios-http.com/data/sponsors.md");