// Minimal PDF text dumper: inflates FlateDecode streams and prints text from Tj/TJ operators.
const fs = require('fs');
const zlib = require('zlib');
const buf = fs.readFileSync(process.argv[2]);
const s = buf.toString('latin1');
const re = /stream\r?\n/g;
let m;
const out = [];
while ((m = re.exec(s))) {
  const start = m.index + m[0].length;
  const end = s.indexOf('endstream', start);
  if (end < 0) break;
  const chunk = buf.subarray(start, end);
  let txt;
  try { txt = zlib.inflateSync(chunk).toString('latin1'); }
  catch { try { txt = zlib.inflateRawSync(chunk.subarray(2)).toString('latin1'); } catch { continue; } }
  if (!/BT/.test(txt)) continue;
  const lines = [];
  let cur = '';
  const tokRe = /\((?:\\.|[^\\)])*\)|\[[^\]]*\]\s*TJ|T\*|Td|TD|Tm|ET|'/g;
  let t;
  while ((t = tokRe.exec(txt))) {
    const k = t[0];
    if (k.startsWith('(')) cur += k.slice(1, -1).replace(/\\([()\\])/g, '$1');
    else if (k.startsWith('[')) {
      const parts = k.match(/\((?:\\.|[^\\)])*\)|-?\d+\.?\d*/g) || [];
      for (const p of parts) {
        if (p.startsWith('(')) cur += p.slice(1, -1).replace(/\\([()\\])/g, '$1');
        else if (Number(p) < -200) cur += ' ';
      }
    } else { if (cur.trim()) lines.push(cur); cur = ''; }
  }
  if (cur.trim()) lines.push(cur);
  out.push(lines.join('\n'));
}
process.stdout.write(out.join('\n----\n'));