from datetime import datetime

from sqlalchemy import DateTime, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column

from app.database import Base


class NotificationChannel(Base):
    __tablename__ = "notification_channels"

    channel: Mapped[str] = mapped_column(String(32), primary_key=True)
    enabled: Mapped[bool] = mapped_column(default=False)
    min_severity: Mapped[str] = mapped_column(String(16), default="warning")
    bot_token: Mapped[str | None] = mapped_column(Text, nullable=True)
    chat_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
    webhook_url: Mapped[str | None] = mapped_column(Text, nullable=True)
    webhook_secret_header: Mapped[str | None] = mapped_column(String(64), nullable=True)
    webhook_secret: Mapped[str | None] = mapped_column(Text, nullable=True)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
    )