// Guess the OS
import path from 'path'

export function guessFromFilename(inputFile) {
  let fn = path.basename(inputFile);
  if (fn.match(/linux/)) {
    return "linux";
  } else if (fn.match(/mac/)) {
    return "darwin";
  } else if (fn.match(/darwin/)) {
    return "darwin";
  } else if (fn.match(/win/)) {
    return "win32";
  } else {
    let ext = path.extname(inputFile).toLowerCase();
    if (ext == ".dmg") {
      return "darwin";
    }
    if (ext == ".exe") {
      return "win32";
    }
    if ([".deb", ".appimage", ".pacman"].indexOf(ext) !== -1) {
      return "linux";
    }
  }
  return null;
}
export function guessArch(filename, entries) {
  return "x64";
}
export function guessFromContents(entries) {
  for (let i in entries) {
    let entry = entries[i];
    if (path.extname(entry.file) == ".so") {
      return "linux";
    } else if (path.extname(entry.file) == ".dll") {
      return "win32";
    } else if (path.extname(entry.file) == ".dylib") {
      return "darwin";
    } else if (path.extname(entry.file) == ".plist") {
      return "darwin";
    }
  }
}