#!/usr/bin/env python3
"""CLI helper to inspect and reset Hermes voice agent sessions."""

import json
import sys
from pathlib import Path

# Add VoiceAgent1 project root to sys.path
project_root = Path(__file__).resolve().parent.parent
if str(project_root) not in sys.path:
    sys.path.insert(0, str(project_root))

SESSION_FILE_NAME = ".hermes-voice-session.json"


def get_session_file(app_dir: Path | None = None) -> Path:
    base_dir = app_dir or project_root
    return base_dir / SESSION_FILE_NAME


def get_active_session_id(app_dir: Path | None = None) -> str | None:
    session_file = get_session_file(app_dir)
    if session_file.exists():
        try:
            data = json.loads(session_file.read_text())
            sid = data.get("session_id")
            if sid and isinstance(sid, str):
                return sid.strip()
        except Exception:
            pass
    return None


def reset_session(app_dir: Path | None = None) -> tuple[bool, str]:
    session_file = get_session_file(app_dir)
    deleted = False
    if session_file.exists():
        try:
            session_file.unlink()
            deleted = True
        except Exception as e:
            return False, f"Could not remove session file: {e}"

    msg = "Session reset successfully. A fresh Hermes session will start on the next turn."
    if not deleted:
        msg = "No active session file found. Next turn will start with a fresh session."

    try:
        import web_server
        web_server.broadcast_event("session_reset", {"message": msg})
    except Exception:
        pass

    return True, msg


def main():
    app_dir = project_root

    if len(sys.argv) < 2 or sys.argv[1] in ("get", "info", "current", "show"):
        sid = get_active_session_id(app_dir)
        if sid:
            print(f"Active Session ID: {sid}")
        else:
            print("No active Hermes session (a new session will start on the next turn).")
        return

    action = sys.argv[1].lower()
    if action in ("reset", "new", "clear"):
        ok, msg = reset_session(app_dir)
        print(msg)
    else:
        print(f"Unknown action: {sys.argv[1]}. Usage: python bin/session_tool.py [get|reset]")
        sys.exit(1)


if __name__ == "__main__":
    main()