#!/usr/bin/env python3
"""Build `## Authors — EN → RU` table for a section SUMMARY from AUTHORS-EN.md + dossiers.
Usage: python3 tools/make_authors_table.py <section>"""
import re, sys, os

def ru_name_of(dossier):
    if not os.path.exists(dossier):
        return '—'
    c = open(dossier, encoding='utf-8').read()
    # bold field forms
    for m in re.finditer(r'\*\*RU name[^:]*:\*\* (.+)', c):
        return m.group(1).strip()
    # section forms
    m = re.search(r'^(?:## |\*\*)?RU name[^:*\n]*:?\*\*?\n(.+)', c, re.M)
    if m:
        return m.group(1).strip()
    m = re.search(r'^## [^\n]*RU name[^\n]*\n+(.+)', c, re.M | re.I)
    if m:
        return m.group(1).strip()
    return '—'

def main():
    sec = sys.argv[1]
    idx = f'sections/{sec}/AUTHORS-EN.md'
    c = open(idx).read()
    rows = []
    for l in c.split('\n'):
        if l.startswith('|') and not re.match(r'^\|\s*item', l) and not re.match(r'^\|[-\s|]+\|', l):
            cells = [x.strip() for x in l.strip().strip('|').split('|')]
            if len(cells) >= 3:
                items, en, d = cells[0], cells[1], cells[2]
                if d.startswith('..'):
                    d = os.path.normpath(os.path.join('sections', sec, d))
                else:
                    d = d.lstrip('./')
                rows.append((items, en, ru_name_of(d)))
    out = ['| item(s) | EN author | RU name | verified via |',
           '|---------|-----------|---------|--------------|']
    for items, en, ru in rows:
        out.append(f'| {items} | {en} | {ru} | dossier |')
    print('\n'.join(out))

if __name__ == '__main__':
    main()