"""自动采集的周期、重试和进程心跳；不承载业务核算状态。"""

from datetime import datetime

from sqlalchemy import DateTime, Integer, String
from sqlalchemy.orm import Mapped, mapped_column

from app.models.base import BIGINT_UNSIGNED, Base, TimestampMixin, mysql_table_args


class TPlusAutomationState(Base, TimestampMixin):
    __tablename__ = "tplus_automation_states"
    __table_args__ = mysql_table_args("T+自动采集周期与进程状态（不自动导入正式业务）")
    id: Mapped[int] = mapped_column(BIGINT_UNSIGNED, primary_key=True, autoincrement=True, comment="主键ID")
    source_key: Mapped[str] = mapped_column(String(64), unique=True, comment="源连接身份摘要（不含凭据）")
    source_database: Mapped[str] = mapped_column(String(128), comment="源账套")
    scheduled_period: Mapped[str | None] = mapped_column(String(16), comment="最近已排队ISO周")
    root_batch_no: Mapped[str | None] = mapped_column(String(32), comment="本周期原始采集批次")
    current_batch_no: Mapped[str | None] = mapped_column(String(32), comment="当前原始或重试批次")
    retry_attempts: Mapped[int] = mapped_column(Integer, server_default="0", comment="本周期自动重试次数")
    next_retry_at: Mapped[datetime | None] = mapped_column(DateTime, comment="下一次自动重试时间")
    last_success_at: Mapped[datetime | None] = mapped_column(DateTime, comment="最近成功采集时间")
    maintenance_at: Mapped[datetime | None] = mapped_column(DateTime, comment="最近周期检查时间")
    heartbeat_at: Mapped[datetime | None] = mapped_column(DateTime, comment="独立进程心跳时间")
    worker_owner: Mapped[str | None] = mapped_column(String(36), comment="当前持锁进程身份")
    worker_phase: Mapped[str] = mapped_column(String(16), server_default="STOPPED", comment="进程状态：IDLE/RUNNING/STOPPED")