#!/usr/bin/env node
import { readFileSync, existsSync } from 'node:fs';
import { join } from 'node:path';
import { pathToFileURL } from 'node:url';
import { loadSource } from './ui-migration/gameabc-source.mjs';
import { verifySheet } from './ui-migration/frame-io.mjs';
import { ROOT } from './lib/paths.mjs';

const DEFAULT_SOURCE = join(ROOT, '..', 'projects', 'Game_Surface_3');

/** 对全部多帧图跑重组校验。返回 { checked, failures: [{bmp, reason}] }。 */
export function verifyAllFrames(projectDir = DEFAULT_SOURCE) {
  const { images } = loadSource(join(projectDir, 'output'));
  const failures = [];
  let checked = 0;
  for (const image of images.values()) {
    if (image.frame_all <= 1) continue;
    const p = join(projectDir, 'assets', 'bmp', image.bmp);
    if (!existsSync(p)) {
      failures.push({ bmp: image.bmp, reason: `图片文件不存在: ${p}` });
      continue;
    }
    checked++;
    const r = verifySheet(readFileSync(p), image);
    if (!r.ok) failures.push({ bmp: image.bmp, reason: r.reason });
  }
  return { checked, failures };
}

if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
  const { checked, failures } = verifyAllFrames(process.argv[2] ?? DEFAULT_SOURCE);
  console.log(`重组校验：${checked} 张多帧图`);
  if (failures.length === 0) {
    console.log('OK: 全部通过（切分对全部帧完全可逆）。');
    process.exit(0);
  }
  console.error(`\n${failures.length} 张失败：`);
  for (const f of failures) console.error(`  ${f.bmp}\n      ${f.reason}`);
  process.exit(1);
}