'use strict';

importScripts('./pixel-codec.js');

const PixelCodec = self.PixelIslandModules.PixelCodec;

self.onmessage = (event) => {
  const { id, type, payload } = event.data || {};
  try {
    if (type === 'buildPixelBlobs') {
      const palette = Array.isArray(payload?.palette) ? payload.palette : [];
      const defaultColorCode = payload?.defaultColorCode || 'a';
      const blobs = (payload?.assets || []).map((asset) => PixelCodec.buildPixelBlob(asset?.faces?.right || asset?.pixels || '', PixelCodec.assetWidth(asset), PixelCodec.assetHeight(asset), palette, defaultColorCode));
      self.postMessage({ id, ok: true, result: blobs });
      return;
    }
    self.postMessage({ id, ok: false, error: 'unsupported_worker_request' });
  } catch (error) {
    self.postMessage({ id, ok: false, error: error?.message || 'worker_error' });
  }
};