from datetime import datetime, timezone

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

from app.db import Base


def _utcnow() -> datetime:
    return datetime.now(timezone.utc).replace(tzinfo=None)


class AdminAuditLog(Base):
    __tablename__ = "admin_audit_log"
    __table_args__ = (
        Index("ix_admin_audit_log_username", "username"),
        Index("ix_admin_audit_log_created_at", "created_at"),
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    user_id: Mapped[int | None] = mapped_column(Integer, nullable=True)
    username: Mapped[str | None] = mapped_column(String(64), nullable=True)
    method: Mapped[str] = mapped_column(String(16), nullable=False)
    path: Mapped[str] = mapped_column(String(255), nullable=False)
    status_code: Mapped[int] = mapped_column(Integer, nullable=False)
    ip: Mapped[str] = mapped_column(String(64), nullable=False, default="", server_default="")
    created_at: Mapped[datetime] = mapped_column(
        DateTime,
        nullable=False,
        default=_utcnow,
        server_default=func.now(),
    )


class AdminIpBlacklist(Base):
    __tablename__ = "admin_ip_blacklist"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    ip: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
    remark: Mapped[str] = mapped_column(String(255), nullable=False, default="", server_default="")
    created_at: Mapped[datetime] = mapped_column(
        DateTime,
        nullable=False,
        default=_utcnow,
        server_default=func.now(),
    )