"""
Knowledge categorization utilities.
"""

from typing import Any


class KnowledgeCategory:
    """Represents a knowledge category."""

    def __init__(self, name: str, description: str = ""):
        """Initialize a knowledge category."""
        self.name = name
        self.description = description


class CategoryRelationship:
    """Represents a relationship between categories."""

    def __init__(self, source: str, target: str, relationship_type: str = "related"):
        """Initialize a category relationship."""
        self.source = source
        self.target = target
        self.relationship_type = relationship_type


class KnowledgeCategorizer:
    """Categorize knowledge into different types."""

    def __init__(self, config: dict[str, Any] | None = None):
        """Initialize the knowledge categorizer."""
        self.config = config or {}

    def categorize(self, content: str) -> list[KnowledgeCategory]:
        """Categorize content."""
        # Placeholder implementation
        return [KnowledgeCategory("general", "General knowledge")]

    def find_relationships(self, categories: list[KnowledgeCategory]) -> list[CategoryRelationship]:
        """Find relationships between categories."""
        # Placeholder implementation
        return []
