import { execSync } from "child_process";
import { readFileSync, mkdirSync, writeFileSync, readdirSync } from "fs";

const libName = process.env.PWD.split("/").slice(-1)[0];
const version = readFileSync("version", { encoding: "utf8" });
const tarName = `${libName}_${version}.tgz`;
const repoBaseUrl = `${process.env.INPUT_REPO_URL}/${libName}/${version}`;
const packageJsonUrls = [];

// Get system utils
execSync("apt update", { encoding: "utf8" });
execSync("apt install -y pipx", { encoding: "utf8" });
execSync("pipx install mpy-cross", { encoding: "utf8" });

// create base lib dir
mkdirSync(libName);

// Add base lib file to repo
writeFileSync(`${libName}/__init__.mpy`, "");

// Update urls
packageJsonUrls.push([`${libName}/__init__.mpy`, `__init__.mpy`]);

// Generate module folders/files
for (let modPy of readdirSync(".").filter((f) => f.slice(-3) == ".py")) {
  const modName = modPy.slice(0, -3);
  const modInitPath = `${modName}/__init__.mpy`;
  const modMpyPath = `${modName}/${modName}.mpy`;

  // create mod dir
  mkdirSync(`${libName}/${modName}`);

  // compile mpy file
  execSync(`pipx run mpy-cross ${modPy} -o ${libName}/${modMpyPath}`, {
    encoding: "utf8",
  });

  // Add module files to repo
  writeFileSync(`${libName}/${modInitPath}`, "");

  // Update urls
  packageJsonUrls.push([`${libName}/${modInitPath}`, `${modInitPath}`]);
  packageJsonUrls.push([`${libName}/${modMpyPath}`, `${modMpyPath}`]);
}

// Add package.json to repo
writeFileSync(
  `${libName}/package.json`,
  JSON.stringify({
    urls: packageJsonUrls,
    deps: [],
    version: version,
  }),
);

// create tar file
execSync(`tar czf ${tarName} ${libName}`, {
  encoding: "utf8",
});

console.log(readdirSync(libName));

let r = await fetch(`${repoBaseUrl}/${tarName}`, {
  method: "PUT",
  headers: {
    Authorization: `Basic ${Buffer.from(`${process.env.INPUT_REPO_USER}:${process.env.INPUT_REPO_PASS}`).toString("base64")}`,
  },
  body: readFileSync(tarName).buffer,
});

if (r.status > 399) {
  throw `${r.status}: FAILED TO UPLOAD TO ${repoBaseUrl}`;
}