// When a site blocks downloads until you prove you're not a robot.
//
// MakerWorld does this after a few downloads in a row. Only you can clear it —
// by solving the check in your own browser — so Printhive stops asking until
// you say you have. Attempts while blocked are wasted and may prolong it.
//
// Held in memory: a restart clears it, and the next attempt finds out again.
const blocks = new Map(); // site → { since, message }

const DEFAULT = 'MakerWorld is asking you to confirm you’re not a robot before it will allow more downloads.';

function block(site, message = DEFAULT) {
  if (!blocks.has(site)) blocks.set(site, { since: new Date(), message });
  return blocks.get(site);
}

// Called when you say you've solved it, and whenever a download succeeds.
function clear(site) {
  return blocks.delete(site);
}

const isBlocked = (site) => blocks.has(site);

function state(site) {
  const b = blocks.get(site);
  return b ? { blocked: true, since: b.since, message: b.message } : { blocked: false };
}

module.exports = { block, clear, isBlocked, state, DEFAULT };