from sqlalchemy import Column, Integer, String, Text, ForeignKey
from sqlalchemy.orm import relationship

from database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    # The user's unique ID from the platform (e.g., Twitch ID, YouTube Channel ID)
    platform_user_id = Column(String, unique=True, index=True, nullable=False)
    username = Column(String, index=True, nullable=False)
    platform = Column(String, nullable=False) # e.g., "twitch", "youtube"
    
    # A JSON string or other format holding the encrypted access and refresh tokens
    encrypted_tokens = Column(Text, nullable=False)

    settings = relationship("Setting", back_populates="owner", uselist=False)
    custom_themes = relationship("CustomTheme", back_populates="owner")

class Setting(Base):
    __tablename__ = "settings"

    id = Column(Integer, primary_key=True, index=True)
    custom_css = Column(Text, nullable=True)
    overlay_theme = Column(String, default="dark-purple")
    user_id = Column(Integer, ForeignKey("users.id"))

    owner = relationship("User", back_populates="settings")

class CustomTheme(Base):
    __tablename__ = "custom_themes"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    css_content = Column(Text, nullable=False)
    owner_id = Column(Integer, ForeignKey("users.id"), nullable=False)

    owner = relationship("User", back_populates="custom_themes")