import {PortExposuresChunk} from "../chunks/types/PortExposuresChunk";
import {ChunkType} from "../chunks/types/ChunkType";
import {PortDirection} from "./types/PortDirection";
import {PortExposures} from "./types/PortExposures";
import {StructureNodeDef} from "./types/StructureNodeDef";
import {getOwnPortNameFromPortExposuresItemChunk} from "./utils/getOwnPortNameFromPortExposuresItemChunk";
import {getPortDirectionFromPortExposuresItemChunk} from "./utils/getPortDirectionFromPortExposuresItemChunk";
import {portExposuresItemChunkToChildPortRef} from "./portExposuresItemChunkToChildPortRef";

export function portExposuresChunkToExposedPorts(
  portExposuresChunk: PortExposuresChunk
): Pick<StructureNodeDef<any, any, any>, "exposedInputs" | "exposedOutputs"> {
  const exposedInputs: PortExposures<any, any, any> = {};
  const exposedOutputs: PortExposures<any, any, any> = {};
  const {children = []} = portExposuresChunk;
  for (const chunk of children) {
    if (chunk.type === ChunkType.PortExposuresItem) {
      const portName = getOwnPortNameFromPortExposuresItemChunk(chunk);
      const portDirection = getPortDirectionFromPortExposuresItemChunk(chunk);
      switch (portDirection) {
      case PortDirection.input:
        exposedInputs[portName] = portExposuresItemChunkToChildPortRef(chunk);
        break;
      case PortDirection.output:
        exposedOutputs[portName] = portExposuresItemChunkToChildPortRef(chunk);
        break;
      }
    }
  }
  return {
    exposedInputs,
    exposedOutputs
  };
}