import {
  DEFAULT_MAP_SIZE,
  getObjectKey,
  mapForMode,
  normalizeMapObject,
  objectsForMode,
} from "./locationMapUtils";

export function getDefaultMapDraft() {
  return {
    name: "Store Map",
    width: DEFAULT_MAP_SIZE.width,
    height: DEFAULT_MAP_SIZE.height,
  };
}

export function getMapDraftSnapshot(nextState, nextMode, nextPreviewDraft, options = {}) {
  const nextMap = mapForMode(nextState, nextMode, nextPreviewDraft);
  const nextObjects = objectsForMode(nextState, nextMode, nextPreviewDraft);
  if (!nextMap) return null;

  const normalizedObjects = nextObjects.map(normalizeMapObject);
  const preserveSelectedIndex = Number.isInteger(options.preserveSelectedIndex)
    ? options.preserveSelectedIndex
    : -1;
  const preservedSelectedObject = preserveSelectedIndex >= 0
    ? normalizedObjects[preserveSelectedIndex]
    : null;

  return {
    mapDraft: {
      name: nextMap.name || "Store Map",
      width: nextMap.width || DEFAULT_MAP_SIZE.width,
      height: nextMap.height || DEFAULT_MAP_SIZE.height,
    },
    objects: normalizedObjects,
    selectedObjectKey: preservedSelectedObject ? getObjectKey(preservedSelectedObject) : null,
  };
}