import { createResource } from "../../domain/models/resource.js";

/** @param {unknown} value */
export function mapResourceDto(value) {
  if (!value || typeof value !== "object") {
    throw new TypeError("Validated resource DTO is required");
  }
  const dto = /** @type {Record<string, unknown>} */ (value);
  if (typeof dto.id !== "string" || typeof dto.name !== "string") {
    throw new TypeError("Validated resource DTO invariants were breached");
  }

  return createResource({
    id: dto.id,
    displayName: dto.name,
    createdAt: typeof dto.createdAt === "string" ? dto.createdAt : null,
  });
}

/** @param {string} operationId @param {unknown} payload */
export function mapOperationPayload(operationId, payload) {
  if (operationId === "LIST_SAMPLE_RESOURCES") {
    if (!Array.isArray(payload)) throw new TypeError("Expected a resource list");
    return payload.map(mapResourceDto);
  }
  if (operationId === "CREATE_SAMPLE_RESOURCE") {
    return mapResourceDto(payload);
  }
  throw new TypeError(`No boundary mapper registered for ${operationId}`);
}