#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""SessionEnd：釋放人格鎖與所有 guest 租約，人格才能被下一個程序載入。"""
from __future__ import annotations

import json
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "scripts"))
import persona_lib as pl  # noqa: E402


def main() -> int:
    try:
        event = json.load(sys.stdin)
    except json.JSONDecodeError:
        return 0
    session_id = event.get("session_id") or "unknown"
    data = pl.load_session(session_id)
    host = data.get("host")
    if host and pl.persona_exists(host):
        state = pl.decay_emotion(pl.load_emotion(host))
        pl.write_json(pl.emotion_path(host), state)
        pl.append_jsonl(pl.journal_path(host), {
            "ts": pl.iso(), "kind": "session-end", "session": session_id[:8],
            "mood": pl.mood(state),
        })
    released = pl.unbind_session(session_id)
    pl.gc_runtime()
    out: dict = {"suppressOutput": True}
    if released["host"]:
        out["systemMessage"] = (
            f"[jsc-persona] 已釋放 `{released['host']}` 的載入鎖"
            + (f"，guest：{released['guests']}" if released["guests"] else "")
        )
    print(json.dumps(out, ensure_ascii=False))
    return 0


if __name__ == "__main__":
    raise SystemExit(main())