from sqlalchemy import Column, Integer, String, Boolean, DateTime, ForeignKey, BigInteger
from datetime import datetime
from database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime, default=datetime.utcnow)

class APIKey(Base):
    __tablename__ = "api_keys"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String)
    key = Column(String, unique=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime, default=datetime.utcnow)

class Quota(Base):
    __tablename__ = "quotas"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    daily_tokens = Column(BigInteger, nullable=True)
    monthly_tokens = Column(BigInteger, nullable=True)
    daily_requests = Column(Integer, nullable=True)
    monthly_requests = Column(Integer, nullable=True)
    reset_at = Column(DateTime, default=datetime.utcnow)

class Usage(Base):
    __tablename__ = "usage"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"), unique=True)
    tokens_used = Column(BigInteger, default=0)
    requests_count = Column(Integer, default=0)
    reset_at = Column(DateTime, default=datetime.utcnow)