// @vitest-environment jsdom
import { afterEach, describe, expect, test, vi } from 'vitest';

import type { GameCreationAppManifest } from '../../../packages/shared/src/contracts/gameCreationApp';
import {
  cleanup,
  createGameCreationAppManifest,
  fireEvent,
  ProjectDevelopmentView,
  React,
  render,
  screen,
  waitFor,
  within,
} from './appSurface/harness';

const PROJECT_PATH = '/tmp/workbench-asset-rename';

/** 资源卡懒加载预览要靠 IntersectionObserver 才认成可见，这里只做最小替身。 */
function installResourceCardIntersectionObserver() {
  class ResourceCardIntersectionObserver {
    readonly root = null;
    readonly rootMargin = '160px';
    readonly thresholds = [0];
    readonly observed = new Set<Element>();

    constructor(readonly callback: IntersectionObserverCallback) {}

    observe(element: Element) {
      this.observed.add(element);
    }

    unobserve(element: Element) {
      this.observed.delete(element);
    }

    disconnect() {
      this.observed.clear();
    }

    takeRecords() {
      return [];
    }
  }

  Object.defineProperty(window, 'IntersectionObserver', {
    configurable: true,
    value: ResourceCardIntersectionObserver,
  });
}

function installInvoke(
  implementation: (command: string, args?: unknown) => Promise<unknown>,
) {
  const invoke = vi.fn(implementation);
  (
    window as unknown as {
      __TAURI__?: { core?: { invoke?: typeof invoke } };
    }
  ).__TAURI__ = { core: { invoke } };
  return invoke;
}

function createManifestWithHero(localPath: string): GameCreationAppManifest {
  const manifest = createGameCreationAppManifest(
    'workbench-asset-rename',
    '素材重命名测试',
  );
  manifest.assets = [
    {
      id: 'asset-hero',
      kind: 'character',
      mediaType: 'image/png',
      localPath,
      source: { kind: 'generated' },
    },
  ];
  return manifest;
}

async function openHeroCard(name = 'hero.png') {
  fireEvent.click(screen.getByRole('button', { name: '按类型' }));
  // 左侧栏目大纲导航已按用户要求删除：切栏目走「资源总览」的栏目缩略卡片。
  if (document.querySelector('[data-resource-book-view="child"]')) {
    fireEvent.click(await screen.findByRole('button', { name: '收起资源' }));
    await waitFor(() =>
      expect(
        document.querySelector('[data-resource-book-view="main"]'),
      ).not.toBeNull(),
    );
  }
  fireEvent.click(
    await screen.findByRole('button', { name: '打开角色与对象' }),
  );
  // 资源画本先切到子画布再渲染卡片，等它落到 character 栏目再找卡。
  await waitFor(() => {
    const manager = document.querySelector('[data-resource-book-view="child"]');
    expect(manager).not.toBeNull();
    expect(
      manager?.querySelector(
        '.game-resource-book-scene-titlebar.is-active[data-resource-book-category="character"]',
      ),
    ).not.toBeNull();
  });
  // C3 后点卡是「选中 + 浮出工具条」，重命名入口在工具条上。
  fireEvent.click(
    await screen.findByRole('button', {
      name: new RegExp(`^选中资源：角色与对象 ${name}$`),
    }),
  );
  return screen.findByRole('toolbar', { name: '图片工具栏' });
}

function renderWorkbench(
  manifest: GameCreationAppManifest,
  onManifestChange?: (
    projectPath: string,
    next: GameCreationAppManifest,
    metadata: unknown,
  ) => void,
) {
  const { rerender } = render(
    React.createElement(ProjectDevelopmentView, {
      projectName: manifest.name,
      projectPath: PROJECT_PATH,
      manifest,
      attachments: [],
      recentRunStatus: null,
      recentRunStopReason: null,
      chat: React.createElement('div', null, '项目对话'),
      onHomeOpen: vi.fn(),
      onProjectsOpen: vi.fn(),
      onManifestChange,
    }),
  );
  return {
    rerenderWith(next: GameCreationAppManifest) {
      rerender(
        React.createElement(ProjectDevelopmentView, {
          projectName: next.name,
          projectPath: PROJECT_PATH,
          manifest: next,
          attachments: [],
          recentRunStatus: null,
          recentRunStopReason: null,
          chat: React.createElement('div', null, '项目对话'),
          onHomeOpen: vi.fn(),
          onProjectsOpen: vi.fn(),
          onManifestChange,
        }),
      );
    },
  };
}

afterEach(() => {
  cleanup();
  delete (window as unknown as { __TAURI__?: unknown }).__TAURI__;
});

describe('素材重命名前端链路', () => {
  test('renames through the strict native command and refreshes the resource card name', async () => {
    installResourceCardIntersectionObserver();
    const renamedManifest = createManifestWithHero('assets/hero-v2.png');
    const invoke = installInvoke(async (command) => {
      if (command === 'get_local_game_project_revision') {
        return { revision: 11, hasCommittedEdit: true };
      }
      if (command === 'rename_local_project_asset') {
        return {
          asset: renamedManifest.assets[0],
          previousLocalPath: 'assets/hero.png',
          committedProjectRevision: 12,
        };
      }
      if (command === 'get_local_game_manifest') {
        return renamedManifest;
      }
      throw new Error(`unexpected command: ${command}`);
    });
    const onManifestChange = vi.fn();

    const rendered = renderWorkbench(
      createManifestWithHero('assets/hero.png'),
      onManifestChange,
    );
    const toolbar = await openHeroCard();
    fireEvent.click(within(toolbar).getByRole('button', { name: '重命名' }));
    const field = (await screen.findByLabelText(
      '新文件名',
    )) as HTMLInputElement;
    expect(field.value).toBe('hero.png');
    fireEvent.change(field, { target: { value: 'hero-v2.png' } });
    fireEvent.click(screen.getByRole('button', { name: '确认重命名素材' }));

    await waitFor(() => {
      expect(onManifestChange).toHaveBeenCalledTimes(1);
    });
    // 与删除 / 分类保存同一套 CAS 口径：带上项目身份 + **这一次读到的** revision。
    expect(invoke).toHaveBeenCalledWith('rename_local_project_asset', {
      input: {
        projectPath: PROJECT_PATH,
        expectedProjectId: 'workbench-asset-rename',
        expectedProjectRevision: 11,
        assetId: 'asset-hero',
        newFileName: 'hero-v2.png',
      },
    });
    expect(invoke).toHaveBeenCalledWith('get_local_game_project_revision', {
      projectPath: PROJECT_PATH,
    });
    // revision 必须来自那一次读取：先读再改名，顺序反了就等于把过期值贴上去。
    expect(
      invoke.mock.calls.findIndex(
        ([command]) => command === 'get_local_game_project_revision',
      ),
    ).toBeLessThan(
      invoke.mock.calls.findIndex(
        ([command]) => command === 'rename_local_project_asset',
      ),
    );
    expect(invoke).toHaveBeenCalledWith('get_local_game_manifest', {
      projectPath: PROJECT_PATH,
      commandId: 'asset.list',
    });
    expect(onManifestChange.mock.calls[0]?.[2]).toMatchObject({
      revision: 12,
      source: 'asset-command',
      commitId: 'asset-rename:asset-hero',
    });

    rendered.rerenderWith(renamedManifest);
    await waitFor(() => {
      const renamedSelect = screen.getByRole('button', {
        name: '选中资源：角色与对象 hero-v2.png',
      });
      const renamedCard = renamedSelect.closest('.game-resource-card');
      // 卡面名称与重命名后的 manifest `localPath` 同步：名称就是正式文件名的投影，
      // 不存在第二份需要一起改的显示名；完整名挂在命中指针的选中按钮 `title` 上。
      const nameNode = renamedCard?.querySelector('.game-resource-card-name');
      expect(nameNode?.textContent).toBe('hero-v2.png');
      expect(renamedSelect.getAttribute('title')).toBe('hero-v2.png');
    });
  });

  test('reads the project revision before renaming so a stale local value cannot be replayed', async () => {
    installResourceCardIntersectionObserver();
    // 本地 manifest 的 revision 落后（5）而磁盘上已经是 42：提交的必须是读到的 42，
    // 否则后端按「陈旧改写」拒收，用户会看到一次凭空失败的重命名。
    const staleManifest = createManifestWithHero('assets/hero.png');
    const invoke = installInvoke(async (command) => {
      if (command === 'get_local_game_project_revision') {
        return { revision: 42, hasCommittedEdit: true };
      }
      if (command === 'rename_local_project_asset') {
        return {
          asset: createManifestWithHero('assets/hero-v2.png').assets[0],
          previousLocalPath: 'assets/hero.png',
          committedProjectRevision: 43,
        };
      }
      if (command === 'get_local_game_manifest') {
        return createManifestWithHero('assets/hero-v2.png');
      }
      throw new Error(`unexpected command: ${command}`);
    });

    renderWorkbench(staleManifest);
    const toolbar = await openHeroCard();
    fireEvent.click(within(toolbar).getByRole('button', { name: '重命名' }));
    const field = (await screen.findByLabelText(
      '新文件名',
    )) as HTMLInputElement;
    fireEvent.change(field, { target: { value: 'hero-v2.png' } });
    fireEvent.click(screen.getByRole('button', { name: '确认重命名素材' }));

    await waitFor(() => {
      expect(invoke).toHaveBeenCalledWith(
        'rename_local_project_asset',
        expect.anything(),
      );
    });
    expect(
      invoke.mock.calls.find(
        ([command]) => command === 'rename_local_project_asset',
      )?.[1],
    ).toMatchObject({ input: { expectedProjectRevision: 42 } });
  });

  test('surfaces the project CAS rejection as readable copy instead of the raw code', async () => {
    installResourceCardIntersectionObserver();
    installInvoke(async (command) => {
      if (command === 'get_local_game_project_revision') {
        return { revision: 7, hasCommittedEdit: true };
      }
      if (command === 'rename_local_project_asset') {
        throw 'project-revision-conflict';
      }
      throw new Error(`unexpected command: ${command}`);
    });

    renderWorkbench(createManifestWithHero('assets/hero.png'));
    const toolbar = await openHeroCard();
    fireEvent.click(within(toolbar).getByRole('button', { name: '重命名' }));
    const field = (await screen.findByLabelText(
      '新文件名',
    )) as HTMLInputElement;
    fireEvent.change(field, { target: { value: 'hero-v2.png' } });
    fireEvent.click(screen.getByRole('button', { name: '确认重命名素材' }));

    const alert = await screen.findByRole('alert');
    expect(alert.textContent).toBe('项目已被其它操作改动，请刷新后重试');
    expect(alert.textContent).not.toContain('project-revision-conflict');
  });

  test('keeps the panel open and surfaces the native rejection', async () => {
    installResourceCardIntersectionObserver();
    installInvoke(async (command) => {
      if (command === 'get_local_game_project_revision') {
        return { revision: 7, hasCommittedEdit: true };
      }
      if (command === 'rename_local_project_asset') {
        throw '新文件名非法：扩展名必须与原文件一致';
      }
      throw new Error(`unexpected command: ${command}`);
    });

    renderWorkbench(createManifestWithHero('assets/hero.png'));
    const toolbar = await openHeroCard();
    fireEvent.click(within(toolbar).getByRole('button', { name: '重命名' }));
    const field = (await screen.findByLabelText(
      '新文件名',
    )) as HTMLInputElement;
    fireEvent.change(field, { target: { value: 'hero.jpg' } });
    fireEvent.click(screen.getByRole('button', { name: '确认重命名素材' }));

    const alert = await screen.findByRole('alert');
    expect(alert.textContent).toContain('扩展名必须与原文件一致');
    expect(screen.getByLabelText('新文件名')).not.toBeNull();
  });
});