from datetime import datetime

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

from app.db import Base


class PublicIPState(Base):
    __tablename__ = "public_ip_state"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    current_ipv4: Mapped[str] = mapped_column(String(45), nullable=False)
    previous_ipv4: Mapped[str | None] = mapped_column(String(45), nullable=True)
    first_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    last_checked_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    last_changed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
    last_check_status: Mapped[str] = mapped_column(String(32), nullable=False)
    last_check_error: Mapped[str | None] = mapped_column(String(255), nullable=True)
    last_provider: Mapped[str | None] = mapped_column(String(64), nullable=True)


class PublicIPHistory(Base):
    __tablename__ = "public_ip_history"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    ipv4: Mapped[str] = mapped_column(String(45), nullable=False)
    observed_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    change_type: Mapped[str] = mapped_column(String(32), nullable=False)
    provider: Mapped[str | None] = mapped_column(String(64), nullable=True)