/* @vitest-environment jsdom */

import { fireEvent, render, screen, waitFor } from '@testing-library/react';
import { describe, expect, it, vi } from 'vitest';

import { ImageCanvasContextMenusView } from './ImageCanvasContextMenusView';
import type { CanvasLayer } from './ImageCanvasEditorTypes';

function createLayer(overrides: Partial<CanvasLayer> = {}): CanvasLayer {
  return {
    id: 'layer-1',
    resourceId: 'resource-1',
    title: '角色图',
    src: 'data:image/png;base64,layer',
    x: 0,
    y: 0,
    width: 320,
    height: 240,
    originalWidth: 320,
    originalHeight: 240,
    zIndex: 1,
    sourceType: 'uploaded',
    ...overrides,
  };
}

function renderContextMenus(
  overrides: Partial<Parameters<typeof ImageCanvasContextMenusView>[0]> = {},
) {
  const props: Parameters<typeof ImageCanvasContextMenusView>[0] = {
    viewport: { x: 0, y: 0, scale: 1 },
    contextMenu: null,
    canvasClipboard: null,
    imageContextMenu: null,
    imageContextMenuLayer: null,
    contextMenuLayer: null,
    contextShouldShowLayer: false,
    contextShouldUnlockLayer: false,
    onPasteCanvasClipboard: vi.fn(),
    onCopyContextLayers: vi.fn(),
    onDuplicateContextLayers: vi.fn(),
    onMoveContextLayers: vi.fn(),
    onGroupContextLayers: vi.fn(),
    onUngroupContextLayers: vi.fn(),
    onToggleContextLayerVisibility: vi.fn(),
    onToggleContextLayerLock: vi.fn(),
    onFlipContextLayers: vi.fn(),
    onExportContextLayer: vi.fn(),
    onDeleteContextLayers: vi.fn(),
    onDeleteLayerById: vi.fn(),
    onCloseContextMenu: vi.fn(),
    onCloseImageContextMenu: vi.fn(),
    onUpdateScaleFromCenter: vi.fn(),
    onFitLayers: vi.fn(),
    onOpenQuickEditPanel: vi.fn(),
    onOpenLayerMetadata: vi.fn(),
    onOpenCharacterAnimationPanel: vi.fn(),
    ...overrides,
  };

  render(<ImageCanvasContextMenusView {...props} />);

  return props;
}

function createDomRect(
  width: number,
  height: number,
  overrides: Partial<DOMRect> = {},
): DOMRect {
  const left = overrides.left ?? 0;
  const top = overrides.top ?? 0;
  return {
    x: 0,
    y: 0,
    width,
    height,
    top,
    left,
    right: left + width,
    bottom: top + height,
    toJSON: () => ({}),
    ...overrides,
  } as DOMRect;
}

describe('ImageCanvasContextMenusView', () => {
  it('renders blank canvas commands and forwards the canvas point', () => {
    const canvasPoint = { x: 18, y: 24 };
    const layer = createLayer();
    const props = renderContextMenus({
      contextMenu: { kind: 'blank', x: 10, y: 12, canvasPoint },
      canvasClipboard: { layers: [layer], mode: 'copy' },
    });

    fireEvent.click(screen.getByRole('menuitem', { name: '粘贴' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '放大' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '显示画布所有元素' }));

    expect(props.onPasteCanvasClipboard).toHaveBeenCalledWith(canvasPoint);
    expect(props.onUpdateScaleFromCenter).toHaveBeenCalledWith(1.16);
    expect(props.onFitLayers).toHaveBeenCalledTimes(1);
    expect(props.onCloseContextMenu).toHaveBeenCalledTimes(2);
  });

  it('closes canvas context menus when another operation starts outside', () => {
    const props = renderContextMenus({
      contextMenu: {
        kind: 'blank',
        x: 10,
        y: 12,
        canvasPoint: { x: 18, y: 24 },
      },
    });

    fireEvent.pointerDown(document.body);

    expect(props.onCloseContextMenu).toHaveBeenCalledTimes(1);
    expect(props.onCloseImageContextMenu).toHaveBeenCalledTimes(1);
  });

  it('renders layer context commands and forwards layer operations', () => {
    const layer = createLayer({
      assetKind: 'character',
      mediaType: 'image-sequence',
    });
    const props = renderContextMenus({
      contextMenu: {
        kind: 'layer',
        x: 16,
        y: 18,
        layerId: layer.id,
        canvasPoint: { x: 40, y: 42 },
      },
      canvasClipboard: { layers: [layer], mode: 'copy' },
      imageContextMenuLayer: layer,
      contextMenuLayer: layer,
      contextShouldShowLayer: true,
      contextShouldUnlockLayer: true,
    });

    fireEvent.click(screen.getByRole('menuitem', { name: '复制' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '剪切' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '创建副本' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '上移一层' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '显示' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '解锁' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '水平翻转' }));
    expect(
      screen
        .getByRole('menuitem', { name: '导出为' })
        .getAttribute('aria-haspopup'),
    ).toBe('menu');
    fireEvent.click(
      screen.getByRole('menuitem', { name: '序列帧导出（zip）' }),
    );
    fireEvent.click(
      screen.getByRole('menuitem', { name: 'Spine 导出（zip）' }),
    );
    fireEvent.click(screen.getByRole('menuitem', { name: '快速编辑' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '生成动画' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '删除' }));

    expect(props.onCopyContextLayers).toHaveBeenNthCalledWith(1);
    expect(props.onCopyContextLayers).toHaveBeenNthCalledWith(2, { cut: true });
    expect(props.onDuplicateContextLayers).toHaveBeenCalledTimes(1);
    expect(props.onMoveContextLayers).toHaveBeenCalledWith('up');
    expect(props.onToggleContextLayerVisibility).toHaveBeenCalledTimes(1);
    expect(props.onToggleContextLayerLock).toHaveBeenCalledTimes(1);
    expect(props.onFlipContextLayers).toHaveBeenCalledWith('x');
    expect(props.onExportContextLayer).toHaveBeenNthCalledWith(
      1,
      expect.objectContaining({ mode: 'sequence-with-preview' }),
    );
    expect(props.onExportContextLayer).toHaveBeenNthCalledWith(
      2,
      expect.objectContaining({ mode: 'spine-json' }),
    );
    expect(props.onOpenQuickEditPanel).toHaveBeenCalledWith(layer);
    expect(props.onOpenCharacterAnimationPanel).toHaveBeenCalledWith(layer);
    expect(props.onCloseContextMenu).toHaveBeenCalledTimes(2);
    expect(props.onCloseImageContextMenu).toHaveBeenCalledTimes(2);
    expect(props.onDeleteContextLayers).toHaveBeenCalledTimes(1);
  });

  it('keeps measured layer menus and submenus inside the viewport', async () => {
    const originalInnerWidth = window.innerWidth;
    const originalInnerHeight = window.innerHeight;
    window.innerWidth = 500;
    window.innerHeight = 640;
    const getBoundingClientRectSpy = vi
      .spyOn(HTMLElement.prototype, 'getBoundingClientRect')
      .mockImplementation(function getBoundingClientRect(this: HTMLElement) {
        if (this.classList.contains('image-canvas-editor__context-menu')) {
          return createDomRect(188, 620);
        }
        if (
          this.classList.contains('image-canvas-editor__context-submenu-panel')
        ) {
          return createDomRect(160, 72);
        }
        if (this.classList.contains('image-canvas-editor__context-submenu')) {
          return createDomRect(188, 29, { top: 586 });
        }
        return createDomRect(0, 0);
      });

    try {
      const layer = createLayer({ mediaType: 'image-sequence' });
      renderContextMenus({
        contextMenu: {
          kind: 'layer',
          x: 490,
          y: 500,
          layerId: layer.id,
          canvasPoint: { x: 40, y: 42 },
        },
        contextMenuLayer: layer,
      });

      const menu = screen.getByRole('menu', { name: '图片功能面板' });
      await waitFor(() => {
        expect(menu.style.left).toBe('304px');
        expect(menu.style.top).toBe('12px');
        expect(menu.className).toContain(
          'image-canvas-editor__context-menu--submenu-left',
        );
        expect(menu.className).toContain(
          'image-canvas-editor__context-menu--submenu-up',
        );
      });
    } finally {
      getBoundingClientRectSpy.mockRestore();
      window.innerWidth = originalInnerWidth;
      window.innerHeight = originalInnerHeight;
    }
  });

  it('closes the standalone image menu after opening character animation', () => {
    const layer = createLayer({ assetKind: 'character' });
    const props = renderContextMenus({
      imageContextMenu: { layerId: layer.id, x: 20, y: 22 },
      imageContextMenuLayer: layer,
    });

    fireEvent.click(screen.getByRole('menuitem', { name: '生成动画' }));

    expect(props.onOpenCharacterAnimationPanel).toHaveBeenCalledWith(layer);
    expect(props.onCloseImageContextMenu).toHaveBeenCalledTimes(1);
  });

  it('renders the image context menu when no canvas context menu is open', () => {
    const layer = createLayer({ assetKind: 'character' });
    const props = renderContextMenus({
      imageContextMenu: { layerId: layer.id, x: 20, y: 22 },
      imageContextMenuLayer: layer,
    });

    fireEvent.click(screen.getByRole('menuitem', { name: '快速编辑' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '查看图片信息' }));
    fireEvent.click(screen.getByRole('menuitem', { name: '删除图片' }));

    expect(props.onOpenQuickEditPanel).toHaveBeenCalledWith(layer);
    expect(props.onOpenLayerMetadata).toHaveBeenCalledWith(layer);
    expect(props.onCloseImageContextMenu).toHaveBeenCalledTimes(2);
    expect(props.onDeleteLayerById).toHaveBeenCalledWith(layer.id);
  });

  it.each(['icon', 'icon-spritesheet'] as const)(
    'hides quick edit from the standalone menu for %s assets',
    (assetKind) => {
      const layer = createLayer({ assetKind });
      renderContextMenus({
        imageContextMenu: { layerId: layer.id, x: 20, y: 22 },
        imageContextMenuLayer: layer,
      });

      expect(screen.queryByRole('menuitem', { name: '快速编辑' })).toBeNull();
      expect(
        screen.getByRole('menuitem', { name: '查看图片信息' }),
      ).toBeTruthy();
    },
  );

  it('keeps quick edit in the standalone menu for icon specs', () => {
    const layer = createLayer({ assetKind: 'icon-spec' });
    renderContextMenus({
      imageContextMenu: { layerId: layer.id, x: 20, y: 22 },
      imageContextMenuLayer: layer,
    });

    expect(screen.getByRole('menuitem', { name: '快速编辑' })).toBeTruthy();
  });
});