import type { CatalogPartType, HiveFrame, HivePart } from "./types";

// A new part as the editor adds it (dialog and drag and drop alike): every
// state field set to its default, a new box filled with foundation frames.

/** Level 0, the first option of a choice. */
export function defaultPartState(type: CatalogPartType): HivePart["state"] {
  const state: HivePart["state"] = {};
  for (const field of type.stateSchema) state[field.key] = field.kind === "level" ? 0 : (field.options[0] ?? "");
  return state;
}

/** Frames of a new box: every slot a foundation (spec 9.5). */
export function newBoxFrames(type: CatalogPartType): HiveFrame[] {
  return Array.from({ length: type.frameSlots ?? 0 }, (_, index): HiveFrame => ({ slot: index + 1, type: "FOUNDATION" }));
}

export function freshPart(type: CatalogPartType, id: string, state: HivePart["state"] = defaultPartState(type)): HivePart {
  const part: HivePart = { id, partTypeId: type.id, state };
  if (type.kind === "BOX") part.frames = newBoxFrames(type);
  return part;
}