from __future__ import annotations

import uuid
from datetime import datetime

from sqlalchemy import BigInteger, DateTime, String, func
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import Mapped, mapped_column

from app.db.session import Base


class User(Base):
    __tablename__ = "users"

    id: Mapped[uuid.UUID] = mapped_column(
        UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
    )
    telegram_id: Mapped[int] = mapped_column(BigInteger, unique=True, nullable=False, index=True)
    telegram_username: Mapped[str | None] = mapped_column(String(64))
    language: Mapped[str] = mapped_column(String(8), default="ar")
    settings: Mapped[dict] = mapped_column(JSONB, default=dict, server_default="{}")
    storage_used_bytes: Mapped[int] = mapped_column(BigInteger, default=0, server_default="0")
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now()
    )
    updated_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), onupdate=func.now())

    def __repr__(self) -> str:
        return f"<User telegram_id={self.telegram_id}>"