import { expect, test } from 'vitest';

import type { CustomWorldAgentSessionSnapshot } from '../../../packages/shared/src/contracts/customWorldAgent';
import {
  buildRpgCreationPreviewFromResultPreview,
  buildRpgCreationPreviewFromSession,
} from './rpgCreationPreviewAdapter';

const sessionWithPreview: CustomWorldAgentSessionSnapshot = {
  sessionId: 'session-preview-1',
  currentTurn: 3,
  anchorContent: {
    worldPromise: null,
    playerFantasy: null,
    themeBoundary: null,
    playerEntryPoint: null,
    coreConflict: null,
    keyRelationships: [],
    hiddenLines: null,
    iconicElements: null,
  },
  progressPercent: 100,
  lastAssistantReply: '第一版世界底稿已经准备好了。',
  stage: 'object_refining',
  focusCardId: null,
  creatorIntent: null,
  creatorIntentReadiness: {
    isReady: true,
    completedKeys: [],
    missingKeys: [],
  },
  anchorPack: null,
  lockState: null,
  draftProfile: {
    name: '只作为 fallback 的本地草稿名',
    subtitle: 'fallback',
    summary: 'fallback',
    tone: 'fallback',
    playerGoal: 'fallback',
    playableNpcs: [],
    storyNpcs: [],
    landmarks: [],
  },
  messages: [],
  draftCards: [
    {
      id: 'world-foundation',
      kind: 'world',
      title: '世界底稿',
      subtitle: '阶段三预览',
      summary: '测试服务端 result preview 优先级。',
      status: 'warning',
      linkedIds: [],
      warningCount: 0,
    },
  ],
  pendingClarifications: [],
  suggestedActions: [],
  recommendedReplies: [],
  qualityFindings: [],
  assetCoverage: {
    roleAssets: [],
    sceneAssets: [],
    allRoleAssetsReady: false,
    allSceneAssetsReady: false,
  },
  resultPreview: {
    source: 'session_preview',
    preview: {
      id: 'preview-profile-1',
      settingText: '被海雾吞没的旧航路群岛',
      name: '服务端结果预览',
      subtitle: '优先于前端 fallback',
      summary: '结果页应该优先消费 session.resultPreview。',
      tone: '压抑、潮湿、悬疑',
      playerGoal: '查清沉船与禁航区异动的真相。',
      templateWorldType: 'WUXIA',
      majorFactions: ['守灯会', '航运公会'],
      coreConflicts: ['守灯会与航运公会争夺旧航路控制权'],
      playableNpcs: [],
      storyNpcs: [],
      items: [],
      landmarks: [],
      generationMode: 'full',
      generationStatus: 'complete',
      sessionId: 'session-preview-1',
    },
    generatedAt: '2026-04-21T10:00:00.000Z',
    qualityFindings: [],
    blockers: [],
  },
  updatedAt: '2026-04-21T10:00:00.000Z',
};

test('buildRpgCreationPreviewFromResultPreview normalizes server preview envelope', () => {
  const profile = buildRpgCreationPreviewFromResultPreview(
    sessionWithPreview.resultPreview,
  );

  expect(profile?.name).toBe('服务端结果预览');
  expect(profile?.subtitle).toBe('优先于前端 fallback');
  expect(profile?.id).toBe('preview-profile-1');
  expect(profile?.settingText).toBe('被海雾吞没的旧航路群岛');
});

test('buildRpgCreationPreviewFromSession prefers server resultPreview over draft fallback', () => {
  const profile = buildRpgCreationPreviewFromSession(sessionWithPreview);

  expect(profile?.name).toBe('服务端结果预览');
  expect(profile?.name).not.toBe('只作为 fallback 的本地草稿名');
  expect(profile?.summary).toBe('结果页应该优先消费 session.resultPreview。');
});

test('buildRpgCreationPreviewFromSession returns null when server resultPreview is missing', () => {
  const profile = buildRpgCreationPreviewFromSession({
    ...sessionWithPreview,
    resultPreview: null,
  });

  expect(profile).toBeNull();
});