import datetime as dt

from sqlalchemy import (
    BigInteger,
    DateTime,
    ForeignKey,
    func,
)
from sqlalchemy.orm import Mapped, declarative_base, mapped_column

Base = declarative_base()


class User(Base):
    __tablename__ = "user"
    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    tg_id: Mapped[int] = mapped_column(BigInteger, unique=True, nullable=False)
    fullname: Mapped[str] = mapped_column()
    role: Mapped[str] = mapped_column(default="user")
    phone: Mapped[str] = mapped_column(nullable=True)


class Event(Base):
    __tablename__ = "event"
    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    title: Mapped[str] = mapped_column()
    description: Mapped[str] = mapped_column(default="")
    start_date: Mapped[dt.date] = mapped_column(nullable=True)
    end_date: Mapped[dt.date] = mapped_column(nullable=True)


class UserEvent(Base):
    __tablename__ = "user_event"
    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
    user: Mapped[int] = mapped_column(ForeignKey("user.id"))
    event: Mapped[int] = mapped_column(ForeignKey("event.id"))
    date: Mapped[dt.date] = mapped_column(
        DateTime(timezone=True), server_default=func.now()
    )
    status: Mapped[str] = mapped_column(default="not confirmed")