export type LayoutReplaceBatchStateItem = {
  status: string;
  taskId: string;
};

export function deriveLayoutReplaceBatchAdvance(
  items: LayoutReplaceBatchStateItem[]
) {
  const succeededCount = items.filter((item) => item.status === "succeeded").length;
  const failedCount = items.filter((item) => item.status === "failed").length;
  const terminalCount = succeededCount + failedCount;
  const isComplete = items.length > 0 && terminalCount >= items.length;
  const nextTaskId = isComplete
    ? null
    : items.find((item) => item.status === "queued")?.taskId || null;
  const status = isComplete
    ? failedCount === 0
      ? "succeeded"
      : succeededCount === 0
        ? "failed"
        : "partial_failed"
    : "running";

  return {
    failedCount,
    isComplete,
    nextTaskId,
    status,
    succeededCount,
    terminalCount,
  };
}