"""SporeNode — extends koi-net FullNode with Spore primitives."""

from dataclasses import dataclass
from pathlib import Path

from koi_net.core import FullNode
from koi_net.components.interfaces import KnowledgeHandler, HandlerType
from koi_net.protocol.event import EventType
from koi_net.protocol.knowledge_object import KnowledgeObject
from rid_lib.ext import Bundle

from .config import SporeConfig, build_node_config
from .rid_types import SporeHolon, SPORE_RID_TYPES


@dataclass
class SporeDerefHandler:
    """Dereference Spore RID types from PostgreSQL."""

    handler_type = HandlerType.Bundle
    rid_types = SPORE_RID_TYPES
    event_types = ()

    def handle(self, kobj: KnowledgeObject) -> KnowledgeObject | None:
        # Phase 1: pass-through. Phase 2 will add DB lookups.
        return kobj


class SporeNode(FullNode):
    """Spore Agent Commons koi-net node."""
    spore_deref: SporeDerefHandler = SporeDerefHandler


def create_node(cfg: SporeConfig) -> object:
    """Create and configure the SporeNode.

    Returns a NodeContainer (koi-net assembler pattern).
    """
    node_config = build_node_config(cfg)

    # Write config to root_dir for koi-net to pick up
    config_dir = cfg.root_dir
    config_dir.mkdir(parents=True, exist_ok=True)
    config_path = config_dir / "config.yaml"

    import yaml
    with open(config_path, "w") as f:
        yaml.dump(node_config.model_dump(mode="json"), f)

    node = SporeNode(root_dir=config_dir)
    return node