import fs from 'node:fs';
import path from 'node:path';

import { CustomWorldProfile, WorldType } from '../types';
import {
  getDefaultCustomWorldSceneImage,
  resolveCustomWorldCampSceneImage,
  resolveCustomWorldLandmarkImageMap,
} from './customWorldVisuals';
import { getScenePresetsByWorld } from './scenePresets';

function resolvePublicAssetPath(assetPath: string) {
  return path.resolve(process.cwd(), 'public', assetPath.replace(/^\/+/, ''));
}

describe('scene background assets', () => {
  it('ships background files for every wuxia and xianxia scene preset', () => {
    const scenes = [
      ...getScenePresetsByWorld(WorldType.WUXIA),
      ...getScenePresetsByWorld(WorldType.XIANXIA),
    ];

    expect(scenes.length).toBeGreaterThan(0);

    for (const scene of scenes) {
      expect(fs.existsSync(resolvePublicAssetPath(scene.imageSrc))).toBe(true);
    }
  });

  it('returns existing default custom world backgrounds for both anchor worlds', () => {
    const wuxiaImage = getDefaultCustomWorldSceneImage('seed', 0, WorldType.WUXIA);
    const xianxiaImage = getDefaultCustomWorldSceneImage('seed', 0, WorldType.XIANXIA);

    expect(fs.existsSync(resolvePublicAssetPath(wuxiaImage))).toBe(true);
    expect(fs.existsSync(resolvePublicAssetPath(xianxiaImage))).toBe(true);
  });

  it('keeps ungenerated custom world scenes on independent matched backgrounds', () => {
    const generatedImage =
      '/generated-custom-world-scenes/test-world/generated-ruins.png';
    const profile: CustomWorldProfile = {
      id: 'custom-world-test',
      settingText: '荒城断碑与边关旧营并存的武侠世界',
      name: '断碑边城',
      subtitle: '烽烟未熄',
      summary: '边关旧营与残城废墟彼此相望，玩家要追查旧案余烬。',
      tone: '压抑、克制、潜伏危机',
      playerGoal: '追查残城旧案背后的真相',
      templateWorldType: WorldType.WUXIA,
      majorFactions: [],
      coreConflicts: ['边关旧案复起'],
      attributeSchema: {
        id: 'schema:test',
        worldId: 'custom:test',
        schemaVersion: 1,
        generatedFrom: {
          worldType: WorldType.CUSTOM,
          worldName: '断碑边城',
          settingSummary: '边关旧案',
          tone: '压抑',
          conflictCore: '旧案复起',
        },
        slots: [],
      },
      playableNpcs: [],
      storyNpcs: [],
      items: [],
      landmarks: [
        {
          id: 'landmark-1',
          name: '残城旧营',
          description: '断墙、军帐与营火灰烬混在一起，像一处被遗弃的边关驻地。',
          dangerLevel: 'high',
          imageSrc: generatedImage,
          sceneNpcIds: [],
          connections: [],
        },
        {
          id: 'landmark-2',
          name: '雾锁渡桥',
          description: '古桥横跨冷河，雾气压在水面上，只有残灯还在摇晃。',
          dangerLevel: 'medium',
          sceneNpcIds: [],
          connections: [],
        },
        {
          id: 'landmark-3',
          name: '地宫裂隙',
          description: '墓道向下坍塌，石阶与机关残痕一路通往地底深处。',
          dangerLevel: 'extreme',
          sceneNpcIds: [],
          connections: [],
        },
      ],
      themePack: null,
      storyGraph: null,
      creatorIntent: null,
      anchorPack: null,
      lockState: null,
      generationMode: 'full',
      generationStatus: 'complete',
    };

    const landmarkImageMap = resolveCustomWorldLandmarkImageMap(profile);
    const secondImage = landmarkImageMap.get('landmark-2');
    const thirdImage = landmarkImageMap.get('landmark-3');
    const campImage = resolveCustomWorldCampSceneImage(profile);

    expect(landmarkImageMap.get('landmark-1')).toBe(generatedImage);
    expect(secondImage).toBeTruthy();
    expect(thirdImage).toBeTruthy();
    expect(secondImage).not.toBe(generatedImage);
    expect(thirdImage).not.toBe(generatedImage);
    expect(secondImage).not.toBe(thirdImage);
    expect(campImage).toBeTruthy();
    expect(campImage).not.toBe(generatedImage);
    expect(fs.existsSync(resolvePublicAssetPath(secondImage!))).toBe(true);
    expect(fs.existsSync(resolvePublicAssetPath(thirdImage!))).toBe(true);
    expect(fs.existsSync(resolvePublicAssetPath(campImage))).toBe(true);
  });
});