#!/usr/bin/env node
'use strict';
// Official chapter release dates from MangaUpdates (BL-0048) for a whole library or one manga.
// Dry run by default. Apply only with the scraper stopped (--apply --writers-stopped), then let a
// full reconciliation (or admin Rescan) pick up the edited chapter.json files.
const fs = require('node:fs').promises;
const path = require('node:path');
const { ReleaseDateSources, refreshMangaReleaseDates } = require('../scraper/metadata/release-dates');

const args = process.argv.slice(2);
const apply = args.includes('--apply');
const only = args.find(arg => arg.startsWith('--manga='))?.slice('--manga='.length);
const cacheDir = args.find(arg => arg.startsWith('--cache='))?.slice('--cache='.length) || path.join(require('node:os').tmpdir(), 'mangacircus-release-dates');
const root = args.find(arg => !arg.startsWith('--'));
if (!root || args.some(arg => arg.startsWith('--') && !['--apply', '--writers-stopped'].includes(arg) && !/^--(manga|cache)=/.test(arg))
  || (apply && !args.includes('--writers-stopped'))) {
  console.error('Usage: node tools/release-dates.js <library> [--manga=<folder>] [--cache=<dir>] [--apply --writers-stopped]');
  process.exit(2);
}

async function main() {
  const sources = new ReleaseDateSources({ cacheDir });
  const totals = { manga: 0, matched: 0, chapters: 0, accepted: 0, written: 0, cleared: 0, outsideRun: 0, earlier: 0, outOfOrder: 0, noRun: 0 };
  const names = (await fs.readdir(root, { withFileTypes: true })).filter(e => e.isDirectory() && !e.name.startsWith('.')).map(e => e.name).sort();
  for (const name of names) {
    if (only && name !== only) continue;
    try {
      const s = await refreshMangaReleaseDates(path.join(root, name), sources, { apply });
      totals.manga++; totals.chapters += s.chapters;
      if (s.ambiguous) { console.log(`${name.slice(0, 44).padEnd(44)} skipped: chapter numbers repeat across books`); continue; }
      if (!s.series) { console.log(`${name.slice(0, 44).padEnd(44)} no MangaUpdates match`); continue; }
      totals.matched++; totals.accepted += s.accepted; totals.written += s.written; totals.cleared += s.cleared;
      for (const k of ['outsideRun', 'earlier', 'outOfOrder', 'noRun']) totals[k] += s.rejected[k];
      console.log(`${name.slice(0, 44).padEnd(44)} ${String(s.chapters).padStart(5)} ch  official ${String(s.official).padStart(4)}  accepted ${String(s.accepted).padStart(4)}`
        + `  rejected: outside run ${s.rejected.outsideRun}, earlier evidence ${s.rejected.earlier}, out of order ${s.rejected.outOfOrder}`
        + `${s.rejected.noRun ? `, no AniList run ${s.rejected.noRun}` : ''}  (${s.series.title})`);
    } catch (error) { console.warn(`${name}: ${error.message}`); }
  }
  console.log(JSON.stringify({ apply, ...totals }));
}

main().catch(error => { console.error(error); process.exit(1); });