import { discoverMissingMtgSets, discoverMissingPokemonSets } from './discover.js';
import { importMtgSet } from './mtg.js';
import { importPokemonSet } from './pokemon.js';

const delay = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

const DEFAULT_MAX_SETS_PER_RUN = 3;
const DEFAULT_DELAY_MS = 1500;

/**
 * Discover missing MTG + Pokémon sets and import up to maxSetsPerRun, paced for upstream APIs.
 */
export async function runCatalogSync(options = {}) {
  const maxSetsPerRun = options.maxSetsPerRun ?? DEFAULT_MAX_SETS_PER_RUN;
  const delayBetweenSetsMs = options.delayBetweenSetsMs ?? DEFAULT_DELAY_MS;

  const [missingMtg, missingPokemon] = await Promise.all([
    discoverMissingMtgSets(),
    discoverMissingPokemonSets(),
  ]);

  const queue = [
    ...missingMtg.map((set) => ({ game: 'mtg', setCode: set.code, name: set.name })),
    ...missingPokemon.map((set) => ({ game: 'pokemon', setCode: set.id, name: set.name })),
  ].slice(0, maxSetsPerRun);

  const summary = {
    imported: 0,
    skipped: 0,
    errors: [],
    setsProcessed: [],
    pendingMtgSets: missingMtg.length,
    pendingPokemonSets: missingPokemon.length,
    lorcana: 'skipped — manual Lorcana set map update required',
  };

  for (let index = 0; index < queue.length; index += 1) {
    const item = queue[index];
    try {
      const result =
        item.game === 'mtg'
          ? await importMtgSet(item.setCode)
          : await importPokemonSet(item.setCode);

      summary.setsProcessed.push({
        game: item.game,
        setCode: item.setCode,
        name: item.name,
        ...result,
      });
      summary.imported += result.imported;
      summary.skipped += result.skipped;
    } catch (error) {
      console.error(`[runCatalogSync] Failed ${item.game}/${item.setCode}:`, error);
      summary.errors.push({
        game: item.game,
        setCode: item.setCode,
        message: error.message,
      });
    }

    if (index < queue.length - 1) {
      await delay(delayBetweenSetsMs);
    }
  }

  console.log('[runCatalogSync]', JSON.stringify(summary));
  return summary;
}