"""
Resources MVP model - Resource knowledge base.

Job ID: MTAD-IMPL-2025-11-18-CL
"""

from sqlalchemy import Column, String, Text, DateTime, ForeignKey, JSON
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.database import Base


class Resource(Base):
    """Resource - Knowledge base and documentation."""

    __tablename__ = "resources"

    id = Column(String(36), primary_key=True, index=True)
    author_id = Column(String(36), ForeignKey("users.id"), index=True, nullable=True)
    title = Column(String(500), nullable=False, index=True)
    slug = Column(String(500), unique=True, index=True, nullable=False)
    content = Column(Text, nullable=False)
    access_tier = Column(String(20), default="public", index=True)  # public, members
    tags = Column(JSON, default=[], index=False)  # Array of tags
    created_at = Column(DateTime, server_default=func.now(), index=True)
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now(), index=True)

    # Relationships
    author = relationship("User", back_populates="resources")