from datetime import datetime

from sqlalchemy import DateTime, ForeignKey, String, UniqueConstraint, func
from sqlalchemy.orm import Mapped, mapped_column

from app.database.base import Base


class NotificationLog(Base):
    __tablename__ = "notification_logs"

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(index=True)
    event_type: Mapped[str] = mapped_column(String(64), index=True)
    payload: Mapped[str] = mapped_column(String(1024))
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False)


class PushDeviceToken(Base):
    __tablename__ = "push_device_tokens"
    __table_args__ = (UniqueConstraint("user_id", "platform", "token", name="uq_push_device_tokens_user_platform_token"),)

    id: Mapped[int] = mapped_column(primary_key=True, index=True)
    user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True)
    platform: Mapped[str] = mapped_column(String(16), nullable=False, index=True)
    token: Mapped[str] = mapped_column(String(512), nullable=False)
    device_id: Mapped[str | None] = mapped_column(String(128), nullable=True)
    app_version: Mapped[str | None] = mapped_column(String(64), nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
        nullable=False,
    )