from datetime import date, datetime
from uuid import uuid4

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

from app.core.database import Base


class DailyUsage(Base):
    __tablename__ = "daily_usages"
    __table_args__ = (UniqueConstraint("user_id", "usage_date", name="uq_daily_usage_user_date"),)

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid4()))
    user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id"), index=True)
    usage_date: Mapped[date] = mapped_column(Date, index=True)
    count: Mapped[int] = mapped_column(Integer, default=0)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)