// @vitest-environment jsdom
import { readFileSync } from 'node:fs';

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

import { ResourceCanvasAssetGenerationPanelView } from '../src/features/resource-canvas/ResourceCanvasAssetGenerationPanelView';
import type { ResourceCanvasAssetToolAction } from '../src/features/resource-canvas/resourceCanvasBottomToolbarModel';
import { ResourceCanvasGenerationPanelView } from '../src/features/resource-canvas/ResourceCanvasGenerationPanelView';
import {
  RESOURCE_CANVAS_GENERATION_PANEL_MAX_WIDTH,
  RESOURCE_CANVAS_GENERATION_PANEL_VIEWPORT_INSET,
} from '../src/features/resource-canvas/resourceCanvasGenerationVisibilityModel';
import { repoPath } from './repoPath';

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,
};

describe('生成浮层的面板外观与高度合同', () => {
  test('浮层复用模态同一套面板 chrome 类，不另造一套外观', () => {
    render(
      <ResourceCanvasAssetGenerationPanelView
        action={imageAction}
        variant="floating"
        style={{ left: 120, top: 346, maxHeight: '348px' }}
        assets={[]}
        projectPath="/tmp/project"
        onSubmit={() => undefined}
        onClose={() => undefined}
      />,
    );

    const panel = screen.getByRole('dialog', { name: '生成图片' });
    // 少了 `game-approval-dialog`，浮层就会变成没有背景/边框、header 挤在一起的一块裸容器。
    expect(panel.classList.contains('game-approval-dialog')).toBe(true);
    expect(panel.classList.contains('game-resource-generation-dialog')).toBe(
      true,
    );
    expect(
      panel.classList.contains('resource-canvas-generation-floating-panel'),
    ).toBe(true);
    // 位置与高度上界都由宿主按真实矩形给：内联样式必须原样落到面板上。
    expect(panel.style.top).toBe('346px');
    expect(panel.style.left).toBe('120px');
    expect(panel.style.maxHeight).toBe('348px');
  });

  test('音频入口的浮层同样带 chrome 类，并复用宿主给的提交身份重试', async () => {
    const user = userEvent.setup();
    const onSubmit = vi.fn(async () => undefined);
    render(
      <ResourceCanvasGenerationPanelView
        kinds={['background-music']}
        initialKind="background-music"
        variant="floating"
        style={{ left: 40, top: 200, maxHeight: '300px' }}
        request={{
          operationId: 'operation-bound',
          idempotencyKey: 'key-bound',
          prompt: '轻快的八音盒',
        }}
        initialDraft={{
          kind: 'background-music',
          prompt: '轻快的八音盒',
          assetName: '新背景音乐',
        }}
        onSubmit={onSubmit}
        onClose={() => undefined}
      />,
    );

    const panel = screen.getByRole('dialog', { name: '生成背景音乐' });
    expect(panel.classList.contains('game-approval-dialog')).toBe(true);
    expect(
      panel.classList.contains('resource-canvas-generation-floating-panel'),
    ).toBe(true);
    // 收起时保存的草稿要灌回来：不是空表单。
    expect(
      within(panel).getByLabelText('生成提示词').getAttribute('value'),
    ).toBeNull();

    await user.click(
      within(panel).getByRole('button', { name: '生成背景音乐' }),
    );
    // 幂等重试：命中宿主记下的同一对 operationId / 幂等键，不铸造新的付费生成。
    expect(onSubmit).toHaveBeenCalledTimes(1);
    expect(onSubmit.mock.calls[0]?.[0]).toMatchObject({
      kind: 'background-music',
      operationId: 'operation-bound',
      idempotencyKey: 'key-bound',
      prompt: '轻快的八音盒',
    });
  });
});

/**
 * 结构 CSS 钉子：真实浏览器 1280x720 上浮层曾经「面板垂到底栏下面、提交按钮点不到」，
 * 而且第一版浮层只有 `game-resource-generation-dialog` 一个类，连背景边框都没有。
 * 这些是几何模型测不到的部分，所以直接钉住样式文件里的关键声明。
 */
describe('生成浮层样式结构', () => {
  const panelCss = () =>
    readFileSync(
      repoPath(
        'apps/ai-game-creator-shell/src/features/resource-canvas/resourceCanvasGenerationPanel.css',
      ),
      'utf8',
    );

  test('浮层选择器带上面板 chrome 类，并限制自身滚动与兜底上界', () => {
    const css = panelCss();
    expect(css).toContain(
      '.game-approval-dialog.resource-canvas-generation-floating-panel {',
    );
    // 锚点给的是占位卡中心：少了这行浮层会整体右偏半个面板宽（浏览器实测 x287 vs 卡中心 286）。
    expect(css).toContain('transform: translateX(-50%);');
    expect(css).toContain('overflow-y: auto;');
    expect(css).toContain('overscroll-behavior: contain;');
    // 兜底上界必须在：内联 maxHeight 拿不到几何时也不能整块垂出画布。
    expect(css).toMatch(
      /\.game-approval-dialog\.resource-canvas-generation-floating-panel \{[\s\S]*?max-height:/u,
    );
  });

  test('动作行固定在面板底部，滚动内容不会把提交按钮顶出可视区', () => {
    const css = panelCss();
    expect(css).toMatch(
      /\.game-approval-dialog\.resource-canvas-generation-floating-panel[\s\S]*?\.game-resource-generation-actions \{[\s\S]*?position: sticky;/u,
    );
    expect(css).toMatch(
      /\.game-resource-generation-actions \{[\s\S]*?bottom: 0;[\s\S]*?background:/u,
    );
  });

  /**
   * 宿主算「水平收口」用的是模型里那对常量（浮层最大宽 + 左右内缩），CSS 这里是同一对数的另一份
   * 写法：两边必须一致，否则收口算的是 560 宽、画出来的却是另一个宽度，卡片靠边时又会露出去。
   */
  test('宽度口径与宿主算水平收口的常量同源', () => {
    expect(panelCss()).toContain(
      `width: min(${RESOURCE_CANVAS_GENERATION_PANEL_MAX_WIDTH}px, calc(100% - ${
        RESOURCE_CANVAS_GENERATION_PANEL_VIEWPORT_INSET * 2
      }px));`,
    );
  });
});