#!/usr/bin/env python3
"""Archive the current turn to the story book and clear turn temp files.

Usage:
    python3 tools/store_turn.py
"""

from pathlib import Path
from datetime import date

SESSION = Path(__file__).resolve().parent.parent / 'session'
BOOK = SESSION / 'book.md'
TURN_DESC = SESSION / 'turn_description.md'

CLEAR_FILES = [TURN_DESC]


def main():
    description = TURN_DESC.read_text().strip() if TURN_DESC.exists() else ''
    if not description:
        print("Nothing to store — turn_description.md is empty.")
        return

    timestamp = date.today().isoformat()
    heading = f'\n\n## Turn — {timestamp}\n\n'
    BOOK.parent.mkdir(parents=True, exist_ok=True)
    with open(BOOK, 'a') as f:
        f.write(heading + description + '\n')

    for fpath in CLEAR_FILES:
        if fpath.exists():
            fpath.write_text('')

    print(f"✓ Turn stored → {BOOK}")


if __name__ == '__main__':
    main()