// @vitest-environment jsdom
import {
  cleanup,
  render,
  screen,
  waitFor,
  within,
} from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { afterEach, describe, expect, test, vi } from 'vitest';

import type { GameCreationAppAssetManifestEntry } from '../../../packages/shared/src/contracts/gameCreationApp';
import {
  directCodexContentToPromptText,
  resourceLabelResolver,
} from '../src/features/project-workspace/resourceReferences';
import { ResourceCanvasAssetGenerationPanelView } from '../src/features/resource-canvas/ResourceCanvasAssetGenerationPanelView';
import type { ResourceCanvasAssetToolAction } from '../src/features/resource-canvas/resourceCanvasBottomToolbarModel';
import type { DirectCodexUserContentPart } from '../src/view/project-development/chat/generated/DirectCodexUserContentPart';
import { typeGenerationPrompt } from './resourceGenerationPromptTestUtils';

afterEach(cleanup);

const imageAction: ResourceCanvasAssetToolAction = {
  id: 'generate-image',
  route: 'asset',
  label: '生成图片',
  assetKind: 'image',
  audioKind: null,
  assetName: 'AI 生成图片',
  promptPlaceholder: '今天想生成什么画面？',
  adjustableDimensions: true,
  aspectRatio: '1:1',
  imageSize: '1K',
  requiresIconSpecReference: false,
  writesIconSpecReference: false,
};

function asset(
  id: string,
  label: string,
  mediaType = 'image/png',
): GameCreationAppAssetManifestEntry {
  return {
    id,
    kind: 'image',
    mediaType,
    localPath: `assets/${label}.png`,
    source: { kind: 'canvas' },
  };
}

/** 取面板里的引用输入区（含 `@` 触发器按钮），把操作局限在它自己身上。 */
function referenceInputScope(ariaLabel: string) {
  const root = screen
    .getByLabelText(ariaLabel)
    .closest('.resource-reference-input');
  if (!root) {
    throw new Error(`资源引用输入区不存在：${ariaLabel}`);
  }
  return within(root as HTMLElement);
}

describe('生成浮层里的引用选择（真实组件，不做 props mock）', () => {
  test('浮层不是模态，真实点击候选就能选中并随提交带走引用', async () => {
    const user = userEvent.setup();
    const onSubmit = vi.fn();
    const assets = [asset('asset-a', '素材-a'), asset('asset-b', '素材-b')];
    render(
      <ResourceCanvasAssetGenerationPanelView
        action={imageAction}
        variant="floating"
        assets={assets}
        projectPath="/tmp/project"
        onSubmit={onSubmit}
        onClose={() => undefined}
      />,
    );

    const panel = screen.getByRole('dialog', { name: '生成图片' });
    /*
      浮层形态不是模态：没有全屏遮罩、没有 aria-modal。`ThemedModal` 的焦点陷阱正是 P1 的成因——
      引用选择器 portal 到 body，被陷阱挡在外面时候选项点了不生效（真实浏览器复现过）。
    */
    expect(panel.getAttribute('aria-modal')).toBeNull();
    expect(document.querySelector('[aria-modal="true"]')).toBeNull();
    expect(document.querySelector('.fixed.inset-0')).toBeNull();

    await typeGenerationPrompt(panel, '画一只猫');
    await user.click(
      referenceInputScope('生成提示词').getByRole('button', {
        name: '插入素材引用',
      }),
    );
    const picker = await screen.findByRole('dialog', { name: '选择素材' });
    await user.click(within(picker).getByRole('option', { name: /素材-a/ }));
    expect(within(picker).getByText('已选择 1 个')).not.toBeNull();
    const insert = within(picker).getByRole('button', { name: '插入引用' });
    expect((insert as HTMLButtonElement).disabled).toBe(false);
    await user.click(insert);

    // 选中的引用进了面板：计数可见、提交时随载荷带走。
    await waitFor(() =>
      expect(within(panel).getByText('参考图 1/5')).not.toBeNull(),
    );
    await user.click(within(panel).getByRole('button', { name: '生成图片' }));
    expect(onSubmit).toHaveBeenCalledTimes(1);
    const submitted = onSubmit.mock.calls[0]?.[0] as {
      content: DirectCodexUserContentPart[];
    };
    // 提交载荷只有一份 canonical content：正文逐字，引用仍是稳定 resourceId。
    expect(
      directCodexContentToPromptText(
        submitted.content,
        resourceLabelResolver(assets),
      ),
    ).toContain('画一只猫');
    expect(
      submitted.content.some(
        (part) =>
          part.type === 'agc_resource_reference' &&
          part.resourceId === 'asset-a',
      ),
    ).toBe(true);
  });

  test('搜索能收窄候选，键盘也能完成选择', async () => {
    const user = userEvent.setup();
    const onSubmit = vi.fn();
    const assets = [asset('asset-a', '素材-a'), asset('asset-b', '素材-b')];
    render(
      <ResourceCanvasAssetGenerationPanelView
        action={imageAction}
        variant="floating"
        assets={assets}
        projectPath="/tmp/project"
        onSubmit={onSubmit}
        onClose={() => undefined}
      />,
    );

    const panel = screen.getByRole('dialog', { name: '生成图片' });
    await typeGenerationPrompt(panel, '画一只猫');
    await user.click(
      referenceInputScope('生成提示词').getByRole('button', {
        name: '插入素材引用',
      }),
    );
    const picker = await screen.findByRole('dialog', { name: '选择素材' });
    expect(within(picker).getAllByRole('option')).toHaveLength(2);

    // 搜索收窄：只剩「素材-b」这一条候选。
    await user.clear(screen.getByLabelText('搜索全部画布素材'));
    await user.type(screen.getByLabelText('搜索全部画布素材'), '素材-b');
    await waitFor(() =>
      expect(within(picker).getAllByRole('option')).toHaveLength(1),
    );

    // 键盘路径：Tab 进候选列表，Enter 选中（不依赖鼠标点击）。
    const option = within(picker).getByRole('option', { name: /素材-b/ });
    option.focus();
    await user.keyboard('{Enter}');
    await waitFor(() =>
      expect(within(picker).getByText('已选择 1 个')).not.toBeNull(),
    );
  });
});