// @vitest-environment jsdom
// 真机取证：用真机 `What do u wanna do kitten` manifest 的逐条真实形状，
// 可执行地数出「每张卡走哪个预览分支」「最终落哪个画布栏目」「实际发出哪些 IPC」。
//
// 真机数据（只读读出，未修改）：
//   assets 61 条 = ui/image/png ×49、ui/application/json ×8、art-spritesheet/image/png ×1、
//                  game-background/image/png ×1、game-entry/text/html ×1、icon-spec/image/png ×1
//   每条都带显式 category：scene ×1、ui-interaction ×2、unclassified ×58
//   versions 5 条
import { describe, expect, test } from 'vitest';

import {
  gameCreationAppAssetCategory,
  type GameCreationAppAssetManifestEntry,
} from '../../../packages/shared/src/contracts/gameCreationApp';
import { projectResourceCardPreviewKind } from '../src/view/project-development/resourceCardPreviewModel';
import {
  projectResourceCanvasCategory,
  projectResourcesFromReadModels,
  projectResourceTypeLabel,
} from '../src/view/project-development/resourceProjectionModel';

type Shape = {
  kind: string;
  mediaType: string;
  ext: string;
  count: number;
  category: 'scene' | 'ui-interaction' | 'unclassified';
};

/** 真机 manifest 的 assets 逐条形状（category 为磁盘上的持久化值）。 */
const REAL_ASSET_SHAPES: readonly Shape[] = [
  {
    kind: 'ui',
    mediaType: 'image/png',
    ext: 'png',
    count: 49,
    category: 'unclassified',
  },
  {
    kind: 'ui',
    mediaType: 'application/json',
    ext: 'json',
    count: 8,
    category: 'unclassified',
  },
  {
    kind: 'art-spritesheet',
    mediaType: 'image/png',
    ext: 'png',
    count: 1,
    category: 'ui-interaction',
  },
  {
    kind: 'game-background',
    mediaType: 'image/png',
    ext: 'png',
    count: 1,
    category: 'scene',
  },
  {
    kind: 'game-entry',
    mediaType: 'text/html',
    ext: 'html',
    count: 1,
    category: 'unclassified',
  },
  {
    kind: 'icon-spec',
    mediaType: 'image/png',
    ext: 'png',
    count: 1,
    category: 'ui-interaction',
  },
];

function buildRealAssets(): GameCreationAppAssetManifestEntry[] {
  const assets: GameCreationAppAssetManifestEntry[] = [];
  let index = 0;
  for (const shape of REAL_ASSET_SHAPES) {
    for (let i = 0; i < shape.count; i += 1) {
      index += 1;
      assets.push({
        id: `asset-${index}`,
        kind: shape.kind,
        mediaType: shape.mediaType,
        localPath: `assets/probe-${index}.${shape.ext}`,
        source: { kind: 'generated' },
        category: shape.category,
      });
    }
  }
  return assets;
}

function realManifest() {
  return {
    schemaVersion: 'game-creation-app.v1',
    projectId: 'agc-real-probe',
    name: '真机取证项目',
    tasks: [],
    assets: buildRealAssets(),
  };
}

function countBy<T>(items: readonly T[], key: (item: T) => string) {
  const counts = new Map<string, number>();
  for (const item of items) {
    const value = key(item);
    counts.set(value, (counts.get(value) ?? 0) + 1);
  }
  return Object.fromEntries(counts);
}

describe('真机 manifest 取证：占位卡片计数与栏目分布', () => {
  test('61 条真机资产全部进入资源投影', () => {
    const resources = projectResourcesFromReadModels(realManifest(), [], []);
    expect(resources).toHaveLength(61);
  });

  test('存量 57 条 ui 的落盘 unclassified 被读时重派生自愈', () => {
    const assets = realManifest().assets;
    const uiAssets = assets.filter((asset) => asset.kind === 'ui');

    // 前置事实：这 57 条落盘值确实是 unclassified（历史误判现场）。
    expect(uiAssets).toHaveLength(57);
    expect(uiAssets.every((asset) => asset.category === 'unclassified')).toBe(
      true,
    );
    // 读取侧已经把它重派生成 ui-interaction：读时自愈，不回写 manifest。
    expect(
      uiAssets.every(
        (asset) => gameCreationAppAssetCategory(asset) === 'ui-interaction',
      ),
    ).toBe(true);

    // 直接钉住「读时重派生」这一行为本身：落盘 unclassified + kind 能派生明确分类
    // → 用派生值；这正是修复前那 57 条留在「待归类」的原因。
    expect(
      gameCreationAppAssetCategory({ kind: 'ui', category: 'unclassified' }),
    ).toBe('ui-interaction');
    // 落盘值本身就是明确分类时仍然信任落盘值（用户手动设置的权威性）。
    expect(
      gameCreationAppAssetCategory({ kind: 'ui', category: 'scene' }),
    ).toBe('scene');
    // 落盘值缺失时按 kind 派生（历史 manifest 兼容）。
    expect(
      gameCreationAppAssetCategory({ kind: 'ui', category: undefined }),
    ).toBe('ui-interaction');
  });

  test('落盘 unclassified 且 kind 派生也是 unclassified 时不受影响', () => {
    // image / video / code 的 canonical 分类本来就是 unclassified，
    // 这类资产必须继续信任落盘值，不被重派生规则误伤。
    for (const kind of ['image', 'video', 'code', 'publication-material']) {
      expect(
        gameCreationAppAssetCategory({ kind, category: 'unclassified' }),
      ).toBe('unclassified');
    }
  });

  test('读时重派生后：57 条 ui 归位 UI 交互，待归类只剩 code 类 game-entry', () => {
    const resources = projectResourcesFromReadModels(realManifest(), [], []);
    const byCategory = countBy(resources, (resource) =>
      projectResourceCanvasCategory(resource),
    );

    // 存量自愈后的真实分布：57 条 ui 归位到 UI 交互，只剩 game-entry（code）在待归类。
    expect(byCategory).toEqual({
      unclassified: 1,
      'ui-interaction': 59,
      scene: 1,
    });
    const uiResources = resources.filter(
      (resource) => resource.subtype === 'ui',
    );
    expect(uiResources).toHaveLength(57);
    expect(
      uiResources.every(
        (resource) =>
          projectResourceCanvasCategory(resource) === 'ui-interaction',
      ),
    ).toBe(true);
    // 唯一留在待归类的就是 game-entry：code → unclassified 是分类表的设计口径。
    expect(
      resources
        .filter(
          (resource) =>
            projectResourceCanvasCategory(resource) === 'unclassified',
        )
        .map((resource) => resource.subtype),
    ).toEqual(['game-entry']);
  });

  test('按预览分支计数：52 张 PNG 走图片分支，8 条 UI 规格走文档分支，无一落占位', () => {
    const resources = projectResourcesFromReadModels(realManifest(), [], []);
    const previewKindByResource = resources.map((resource) => ({
      resource,
      previewKind: projectResourceCardPreviewKind(resource),
      typeLabel: projectResourceTypeLabel(resource),
      canvasCategory: projectResourceCanvasCategory(resource),
    }));

    const byPreviewKind = countBy(previewKindByResource, (e) => e.previewKind);
    // 这里曾经是 `placeholder: 8`：8 条 `ui/application/json` 因为 `kind:"UI"` 命中
    // `artKind`（其中含 `ui`）而被判成 art，于是角标显示「图片」，而预览调度按 art 走
    // 图像分支、又因 mediaType 不是图像而兜底成 placeholder —— 卡片永不发起读取，
    // 表现为「标着图片却只有占位图标」。类型判定改为 mediaType/扩展名优先、kind 只做
    // 兜底后，它们进入文本读取通道；卡面再消费原生识别结果显示 UI 设计或 JSON。
    expect(byPreviewKind).toEqual({
      'raster-image': 52,
      document: 8,
      code: 1,
    });
    // 占位分支在真机上必须为空 —— 上面那条 `toEqual` 已经钉住了唯一取值集合，
    // 这里不再另加"不存在"式断言，避免写成恒真守卫。
    const documentAssets = previewKindByResource.filter(
      (e) => e.previewKind === 'document',
    );
    expect(countBy(documentAssets, (e) => e.resource.mediaType)).toEqual({
      'application/json': 8,
    });
    expect(countBy(documentAssets, (e) => e.resource.subtype)).toEqual({
      ui: 8,
    });
    // 角标与预览分支必须是同一套口径：标「图片」的必须真的走图片分支。
    for (const entry of previewKindByResource) {
      if (entry.typeLabel === '图片') {
        expect(entry.previewKind).toBe('raster-image');
      }
      if (entry.typeLabel === '文档') {
        expect(entry.previewKind).toBe('document');
      }
    }
  });

  test('按画布栏目计数：待归类从 58 降到 1，UI 交互升到 59', () => {
    const resources = projectResourcesFromReadModels(realManifest(), [], []);
    const byCategory = countBy(resources, (resource) =>
      projectResourceCanvasCategory(resource),
    );

    expect(byCategory).toEqual({
      unclassified: 1,
      'ui-interaction': 59,
      scene: 1,
    });
  });

  test('预览分支与画布栏目是两个独立轴：落 UI 交互的 PNG 仍走图片分支', () => {
    const resources = projectResourcesFromReadModels(realManifest(), [], []);
    const iconSpec = resources.find(
      (resource) => resource.subtype === 'icon-spec',
    );
    expect(iconSpec).toBeDefined();
    // 真机 icon-spec 落在 UI 交互栏目。
    expect(projectResourceCanvasCategory(iconSpec!)).toBe('ui-interaction');
    // 但它仍必须走 PNG 的图片预览分支，而不是媒体分支。
    expect(projectResourceCardPreviewKind(iconSpec!)).toBe('raster-image');
  });
});