"""Session Archive Weekly
Archives old session files from openclaw data directory.
"""

import os
import shutil
from datetime import datetime, timedelta
from pathlib import Path

# Paths
DATA_DIR = Path(os.environ.get("OPENCLAW_DATA", os.path.expanduser("~/.openclaw")))
ARCHIVE_DIR = DATA_DIR / "workspace" / "memory" / "archive"

def archive_old_sessions():
    """Archive session files older than 7 days."""
    ARCHIVE_DIR.mkdir(parents=True, exist_ok=True)
    
    cutoff = datetime.now() - timedelta(days=7)
    archived_count = 0
    
    # Archive old session logs if they exist
    session_dir = DATA_DIR / "sessions"
    if session_dir.exists():
        for f in session_dir.glob("**/*.json"):
            if datetime.fromtimestamp(f.stat().st_mtime) < cutoff:
                dest = ARCHIVE_DIR / f.name
                if not dest.exists():
                    shutil.copy2(f, dest)
                    archived_count += 1
    
    print(f"Archived {archived_count} old session files")
    return archived_count

if __name__ == "__main__":
    count = archive_old_sessions()
    print(f"[OK] Weekly archive complete - {count} files archived")