from sqlalchemy import Column, Integer, String, DateTime, func
from sqlalchemy.orm import relationship
from app.database import Base


class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, autoincrement=True)
    email = Column(String(255), unique=True, nullable=False, index=True)
    username = Column(String(100), unique=True, nullable=False, index=True)
    password_hash = Column(String(255), nullable=False)
    role = Column(String(20), default="user")  # user, admin
    pollinations_api_key = Column(String(500), nullable=True)  # BYOP: user's own Pollinations key
    created_at = Column(DateTime, server_default=func.now())
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())

    projects = relationship("Project", back_populates="user", cascade="all, delete-orphan")
    generation_jobs = relationship("GenerationJob", back_populates="user", cascade="all, delete-orphan")