import uuid
from datetime import datetime
from sqlalchemy import Column, String, DateTime, Boolean, Integer, Text
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()


class UserModel(Base):
    __tablename__ = "users"
    user_id = Column("user_id", String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    telegram_id = Column("telegram_id", String(100), nullable=False, unique=True)
    created_at = Column("created_at", DateTime, default=datetime.utcnow, nullable=False)
    role = Column("role", String(20), default="user", nullable=False)

    is_premium = Column(Boolean, default=False, nullable=False)
    premium_until = Column(DateTime, nullable=True)
    questions_used = Column(Integer, default=0, nullable=False)

    username = Column(String(100), nullable=True)
    first_name = Column(String(100), nullable=True)
    last_name = Column(String(100), nullable=True)


class PaymentModel(Base):
    __tablename__ = "payments"

    id = Column(Integer, primary_key=True, autoincrement=True)
    payment_id = Column(String(36), default=lambda: str(uuid.uuid4()), nullable=False, unique=True)
    user_id = Column(Integer, nullable=False)
    amount = Column(String(20), nullable=False)
    currency = Column(String(3), default="RUB", nullable=False)
    status = Column(String(20), default="pending", nullable=False)
    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
    yookassa_payment_id = Column(String(100), unique=True, nullable=True)
    description = Column(Text, nullable=True)

    def __repr__(self):
        return f"<Payment(user_id={self.user_id}, amount={self.amount}, status={self.status})>"