"""定时任务模型。"""
from sqlalchemy import Column, Integer, String, Text, Boolean, DateTime, ForeignKey, func

from app.core.database import Base


class ScheduledTask(Base):
    """定时任务。"""
    __tablename__ = "scheduled_tasks"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(100), nullable=False)
    task_type = Column(String(30), nullable=False)
    instance_id = Column(Integer, ForeignKey("instances.id"), nullable=True)
    cron_expression = Column(String(50), nullable=False)
    config = Column(Text, nullable=True)  # JSON
    is_enabled = Column(Boolean, default=True)
    last_run_at = Column(DateTime, nullable=True)
    last_run_status = Column(String(20), nullable=True)
    last_run_message = Column(Text, nullable=True)
    created_by = Column(Integer, ForeignKey("users.id"), nullable=True)
    created_at = Column(DateTime, server_default=func.now())