from sqlalchemy import Column, String, Float, Boolean, DateTime, ForeignKey, Integer, Date
from sqlalchemy.dialects.postgresql import UUID
from datetime import datetime
from app.database import Base
import uuid


class UserCredit(Base):
    __tablename__ = "user_credits"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False, unique=True, index=True)
    balance = Column(Float, default=0)
    total_purchased = Column(Float, default=0)
    total_used = Column(Float, default=0)

    subscription_plan_id = Column(UUID(as_uuid=True), ForeignKey("subscription_plans.id"), nullable=True)
    subscription_expires_at = Column(DateTime, nullable=True)
    subscription_auto_renew = Column(Boolean, default=False)

    free_trial_used = Column(Boolean, default=False)
    daily_translate_chars = Column(Integer, default=0)
    daily_translate_date = Column(Date, nullable=True)

    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)