import { useCallback } from 'react';

import type { CustomWorldLibraryEntry } from '../../../packages/shared/src/contracts/runtime';
import type { CustomWorldProfile } from '../../types';
import type { SelectionStage } from './rpgEntryTypes';

type UseRpgEntryNavigationParams = {
  setSelectionStage: (stage: SelectionStage) => void;
  setSelectedDetailEntry: (
    entry: CustomWorldLibraryEntry<CustomWorldProfile> | null,
  ) => void;
};

/**
 * 收口 RPG 入口壳层的阶段跳转，避免页面内散落大量匿名 setState 回调。
 */
export function useRpgEntryNavigation(
  params: UseRpgEntryNavigationParams,
) {
  const { setSelectionStage, setSelectedDetailEntry } = params;

  const backToPlatformHome = useCallback(() => {
    setSelectionStage('platform');
  }, [setSelectionStage]);

  const backToPlatformWithClearedDetail = useCallback(() => {
    setSelectedDetailEntry(null);
    setSelectionStage('platform');
  }, [setSelectedDetailEntry, setSelectionStage]);

  const openDetailStage = useCallback(() => {
    setSelectionStage('detail');
  }, [setSelectionStage]);

  const openAgentWorkspaceStage = useCallback(() => {
    setSelectionStage('agent-workspace');
  }, [setSelectionStage]);

  const openCustomWorldGenerationStage = useCallback(() => {
    setSelectionStage('custom-world-generating');
  }, [setSelectionStage]);

  const openCustomWorldResultStage = useCallback(() => {
    setSelectionStage('custom-world-result');
  }, [setSelectionStage]);

  return {
    backToPlatformHome,
    backToPlatformWithClearedDetail,
    openDetailStage,
    openAgentWorkspaceStage,
    openCustomWorldGenerationStage,
    openCustomWorldResultStage,
  };
}