"""
Rebrain ADK Agent implementation.

Provides conversational interface to memory system with tool calling.
"""

from typing import Any, Dict

# TODO: Import Google ADK when available
# from google_adk import Agent, Tool


def create_rebrain_agent() -> Any:
    """
    Create Rebrain ADK agent with memory tools.

    Returns:
        Configured ADK agent instance
    """
    # TODO: Implement when google-adk is available
    # Define tools for:
    # - query_memory: Search memory system
    # - add_memory: Add new observation
    # - get_persona: Retrieve persona summary
    # - explain_learning: Explain a learning node
    
    # agent = Agent(
    #     name="Rebrain",
    #     description="Personal memory and cognition assistant",
    #     tools=[query_memory_tool, add_memory_tool, get_persona_tool],
    # )
    
    raise NotImplementedError("Google ADK agent not yet implemented")


def query_memory_tool(query: str, top_k: int = 5) -> Dict[str, Any]:
    """
    Tool for querying memory system.

    Args:
        query: Search query
        top_k: Number of results

    Returns:
        Query results
    """
    # TODO: Integrate with MemoryQuery
    pass


def add_memory_tool(text: str, metadata: Dict[str, Any]) -> Dict[str, Any]:
    """
    Tool for adding new memory.

    Args:
        text: Memory text
        metadata: Additional metadata

    Returns:
        Created memory info
    """
    # TODO: Integrate with ingestion pipeline
    pass


def get_persona_tool() -> Dict[str, Any]:
    """
    Tool for retrieving persona summary.

    Returns:
        Persona summary
    """
    # TODO: Integrate with PersonaBuilder
    pass

