state.py

"""
内存状态管理：存储最近一次 scheduled interview 的上下文。
每当有新的 Calendly 预约，会覆盖当前状态。
"""
from dataclasses import dataclass, field
from datetime import datetime
from typing import Optional


@dataclass
class InterviewUser:
    name: str
    email: str
    scheduled_at: str        # ISO 8601 格式，已转为北京时间字符串
    calendly_event_uri: str
    bq_data: dict = field(default_factory=dict)   # BigQuery 拉到的用户行为数据
    fetched_at: Optional[datetime] = None


# 全局单例，保存最新一次 scheduled interview
current_interview: Optional[InterviewUser] = None


def set_interview(user: InterviewUser) -> None:
    global current_interview
    user.fetched_at = datetime.utcnow()
    current_interview = user


def get_interview() -> Optional[InterviewUser]:
    return current_interview