from datetime import datetime

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

from app.database import Base


class User(Base):
    __tablename__ = "users"

    email: Mapped[str] = mapped_column(String(255), unique=True, index=True, nullable=False)
    username: Mapped[str] = mapped_column(String(100), unique=True, index=True, nullable=False)
    hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
    full_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
    role: Mapped[str] = mapped_column(String(20), nullable=False, default="user")
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    max_chats: Mapped[int] = mapped_column(Integer, nullable=False, default=10)
    oauth_provider: Mapped[str | None] = mapped_column(String(50), nullable=True)
    oauth_provider_id: Mapped[str | None] = mapped_column(String(255), nullable=True)
    telegram_chat_id: Mapped[int | None] = mapped_column(nullable=True)
    avatar_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False
    )

    sessions: Mapped[list["Session"]] = relationship(back_populates="user", cascade="all, delete-orphan")  # noqa: F821