import type { ReactNode } from 'react';

export type PlatformAsyncStatePanelProps = {
  errorState?: ReactNode;
  isLoading?: boolean;
  loadingState?: ReactNode;
  isEmpty?: boolean;
  emptyState?: ReactNode;
  children: ReactNode;
};

/**
 * 平台异步状态面板骨架。
 * 只负责在错误、读取、空态和内容之间切换，具体文案与外观继续交给调用方传入 slot。
 */
export function PlatformAsyncStatePanel({
  errorState,
  isLoading = false,
  loadingState = null,
  isEmpty = false,
  emptyState = null,
  children,
}: PlatformAsyncStatePanelProps) {
  if (errorState !== undefined && errorState !== null) {
    return <>{errorState}</>;
  }

  if (isLoading) {
    return <>{loadingState}</>;
  }

  if (isEmpty) {
    return <>{emptyState}</>;
  }

  return <>{children}</>;
}