/* @vitest-environment jsdom */

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

import { setPlainTextEditorValue } from '../common/AutoGrowTextArea.test-utils';
import { ImageCanvasCharacterAnimationPanelView } from './ImageCanvasCharacterAnimationPanelView';
import type {
  CanvasLayer,
  CharacterAnimationPanelState,
} from './ImageCanvasEditorTypes';

function createSourceLayer(): CanvasLayer {
  return {
    id: 'layer-a',
    resourceId: 'resource-a',
    title: '角色源图',
    src: 'data:image/png;base64,Y2hhcmFjdGVy',
    x: 0,
    y: 0,
    width: 128,
    height: 128,
    originalWidth: 128,
    originalHeight: 128,
    zIndex: 1,
    sourceType: 'uploaded',
  };
}

function createPanel(
  patch: Partial<CharacterAnimationPanelState> = {},
): CharacterAnimationPanelState {
  return {
    sourceLayerId: 'layer-a',
    promptText: '待机动作',
    resolution: '480p',
    ratio: 'same',
    frameCount: 32,
    durationSeconds: 4,
    status: 'idle',
    ...patch,
  };
}

function CharacterAnimationPanelHarness({
  initialPanel,
  onSubmit = vi.fn(),
  onUpdateDuration,
}: {
  initialPanel: CharacterAnimationPanelState;
  onSubmit?: () => void;
  onUpdateDuration?: (frameCountValue: string) => void;
}) {
  const [panel, setPanel] = useState<CharacterAnimationPanelState | null>(
    initialPanel,
  );

  const updateDuration =
    onUpdateDuration ??
    ((frameCountValue: string) => {
      const frameCount = Number(frameCountValue);
      setPanel((currentPanel) =>
        currentPanel
          ? {
              ...currentPanel,
              frameCount: frameCount === 48 ? 48 : frameCount === 40 ? 40 : 32,
              durationSeconds:
                frameCount === 48 ? 6 : frameCount === 40 ? 5 : 4,
              status:
                currentPanel.status === 'failed' ? 'idle' : currentPanel.status,
              errorMessage:
                currentPanel.status === 'failed'
                  ? undefined
                  : currentPanel.errorMessage,
            }
          : currentPanel,
      );
    });

  return panel ? (
    <div>
      <ImageCanvasCharacterAnimationPanelView
        panel={panel}
        sourceLayer={createSourceLayer()}
        style={{ left: 12, top: 24 }}
        price={18}
        setCharacterAnimationPanel={setPanel}
        onUpdateDuration={updateDuration}
        onSubmit={onSubmit}
      />
      <output aria-label="当前动画描述">{panel.promptText}</output>
      <output aria-label="当前分辨率">{panel.resolution}</output>
      <output aria-label="当前比例">{panel.ratio}</output>
      <output aria-label="当前帧数">{panel.frameCount}</output>
      <output aria-label="当前时长">{panel.durationSeconds}</output>
      <output aria-label="当前状态">{panel.status}</output>
      <output aria-label="当前错误">{panel.errorMessage ?? '-'}</output>
    </div>
  ) : (
    <output aria-label="面板状态">closed</output>
  );
}

describe('ImageCanvasCharacterAnimationPanelView', () => {
  it('keeps source reference first and updates prompt, resolution and ratio from a menu while clearing failed state', () => {
    render(
      <CharacterAnimationPanelHarness
        initialPanel={createPanel({
          status: 'failed',
          errorMessage: '旧错误',
        })}
      />,
    );

    const description = screen.getByLabelText('动画描述');
    expect(description.closest('.auto-grow-text-area')?.className).toContain(
      'auto-grow-text-area',
    );
    expect(description.className).not.toContain('platform-text-field');

    setPlainTextEditorValue(description, 'a'.repeat(4001));
    fireEvent.click(
      screen.getByRole('button', { name: '动画参数 同图尺寸 · 4秒 · 480p' }),
    );
    const menu = screen.getByRole('menu', { name: '动画参数选项' });
    fireEvent.click(screen.getByRole('button', { name: '清晰度 720p' }));
    fireEvent.click(screen.getByRole('button', { name: '比例 16:9' }));

    expect(screen.getByRole('menu', { name: '动画参数选项' })).toBeTruthy();
    expect(screen.getByLabelText('当前动画描述').textContent).toHaveLength(
      4000,
    );
    expect(screen.getByLabelText('当前分辨率').textContent).toBe('720p');
    expect(screen.getByLabelText('当前比例').textContent).toBe('16:9');
    expect(menu).toBeTruthy();
    expect(
      menu
        .closest('.image-canvas-editor__portal-theme')
        ?.classList.contains('platform-theme--light'),
    ).toBe(true);
    expect(screen.getByLabelText('当前状态').textContent).toBe('idle');
    expect(screen.getByLabelText('当前错误').textContent).toBe('-');
  });

  it('clicks the parent animation panel to collapse the parameter menu', () => {
    render(<CharacterAnimationPanelHarness initialPanel={createPanel()} />);

    fireEvent.click(
      screen.getByRole('button', { name: '动画参数 同图尺寸 · 4秒 · 480p' }),
    );
    expect(screen.getByRole('menu', { name: '动画参数选项' })).toBeTruthy();

    fireEvent.click(screen.getByRole('textbox', { name: '动画描述' }));

    expect(screen.queryByRole('menu', { name: '动画参数选项' })).toBeNull();
  });

  it('applies preset prompt and duration updates', () => {
    const updateDuration = vi.fn();
    render(
      <CharacterAnimationPanelHarness
        initialPanel={createPanel({
          status: 'failed',
          errorMessage: '旧错误',
        })}
        onUpdateDuration={updateDuration}
      />,
    );

    fireEvent.click(screen.getByRole('button', { name: '行走' }));
    fireEvent.click(
      screen.getByRole('button', { name: '动画参数 同图尺寸 · 4秒 · 480p' }),
    );
    fireEvent.click(screen.getByRole('button', { name: '时长 48帧·6秒' }));

    expect(screen.getByLabelText('当前动画描述').textContent).toBe(
      '循环行走动作，步伐稳定。',
    );
    expect(screen.getByLabelText('当前状态').textContent).toBe('idle');
    expect(screen.getByLabelText('当前错误').textContent).toBe('-');
    expect(updateDuration).toHaveBeenCalledWith('48');
  });

  it('submits only when idle and closes through its interface', () => {
    const submitCharacterAnimation = vi.fn();
    render(
      <CharacterAnimationPanelHarness
        initialPanel={createPanel()}
        onSubmit={submitCharacterAnimation}
      />,
    );

    fireEvent.click(screen.getByRole('button', { name: '生成18泥点' }));
    fireEvent.click(
      screen.getByRole('button', { name: '关闭角色动画生成面板' }),
    );

    expect(submitCharacterAnimation).toHaveBeenCalledTimes(1);
    expect(screen.getByLabelText('面板状态').textContent).toBe('closed');
  });

  it('keeps generating panels disabled and does not submit', () => {
    const submitCharacterAnimation = vi.fn();
    render(
      <CharacterAnimationPanelHarness
        initialPanel={createPanel({ status: 'generating' })}
        onSubmit={submitCharacterAnimation}
      />,
    );

    fireEvent.click(screen.getByRole('button', { name: '生成中' }));

    const description = screen.getByLabelText('动画描述');
    expect(description.getAttribute('aria-disabled')).toBe('true');
    expect(
      description
        .closest('.auto-grow-text-area')
        ?.getAttribute('data-disabled'),
    ).toBe('true');
    expect(
      (screen.getByRole('button', { name: '待机' }) as HTMLButtonElement)
        .disabled,
    ).toBe(true);
    expect(submitCharacterAnimation).not.toHaveBeenCalled();
  });

  it('renders completed frame count and failed error state', () => {
    const result = {
      taskId: 'task-a',
      model: 'seedance2.0-fast' as const,
      prompt: '行走动作',
      previewVideoPath: '/preview.mp4',
      frames: [],
      frameCount: 40,
      durationSeconds: 5,
      fps: 8,
      priceMudPoints: 18,
    };

    const { rerender } = render(
      <CharacterAnimationPanelHarness
        initialPanel={createPanel({
          status: 'completed',
          result,
        })}
      />,
    );

    expect(screen.getByText('已生成 40 帧')).toBeTruthy();

    rerender(
      <CharacterAnimationPanelHarness
        key="failed"
        initialPanel={createPanel({
          status: 'failed',
          errorMessage: '生成失败',
        })}
      />,
    );

    expect(screen.getByRole('alert').textContent).toContain('生成失败');
  });
});