import {ChildNodesItemChunk} from "../chunks/types/ChildNodesItemChunk";
import {ChunkType} from "../chunks/types/ChunkType";
import {nodeDeclChunkToNodeName} from "./nodeDeclChunkToNodeName";
import {nodeParamsChunkToParams} from "./nodeParamsChunkToParams";
import {ChildNodeProps} from "./types/ChildNodeProps";
import {getParamNameFromNodeParamChunk} from "./utils/getParamNameFromNodeParamChunk";
import {getParamValueFromNodeParamChunk} from "./utils/getParamValueFromNodeParamChunk";

export function childNodesItemChunkToChildNodeProps(
  childNodesItemChunk: ChildNodesItemChunk
): ChildNodeProps<any> | null {
  const {
    captures: {
      1: nodeDeclChunk
    },
    children = []
  } = childNodesItemChunk;
  const nodeName = nodeDeclChunkToNodeName(nodeDeclChunk);
  if (nodeName) {
    const params = {} as Record<string, any>;
    for (const chunk of children) {
      switch (chunk.type) {
      case ChunkType.NodeParam:
        const paramName = getParamNameFromNodeParamChunk(chunk);
        params[paramName] = getParamValueFromNodeParamChunk(chunk);
        break;
      case ChunkType.NodeParams:
        Object.assign(params, nodeParamsChunkToParams(chunk));
        break;
      }
    }
    return {
      nodeName,
      params
    };
  } else {
    return null;
  }
}