#!/usr/bin/env python3
"""
Generate `blog/manifest.json` from the text files present in the blog/ folder.
Run this in the project root to refresh the manifest after adding/removing blog entries.
"""
import os
import json

BASEDIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
BLOGDIR = os.path.join(BASEDIR, 'blog')


def main():
    exts = ('.txt', '.text')
    files = [f for f in sorted(os.listdir(BLOGDIR)) if f.lower().endswith(exts)]
    out = os.path.join(BLOGDIR, 'manifest.json')
    with open(out, 'w', encoding='utf-8') as fh:
        json.dump(files, fh, indent=2)
    print(f'Wrote {len(files)} entries to {out}')


if __name__ == '__main__':
    main()