import { describe, expect, it } from 'vitest';

import type {
  CanvasLayer,
  CharacterAnimationPanelState,
  GenerateDialogState,
} from './ImageCanvasEditorTypes';
import {
  appendCharacterReference,
  appendGenerationReference,
  assignCharacterSpecReference,
  assignIconSpecReference,
  assignUiDesignSpecReference,
  closeGenerateComposerDialog,
  createAudioRedrawGenerationDialogDraft,
  createBackgroundMusicGenerationDialogDraft,
  createCharacterAnimationGenerationDialogDraft,
  createCharacterAnimationPanelDraft,
  createCharacterGenerationDialogDraft,
  createEditDialogDraft,
  createGenerateDialogDraft,
  createIconGenerationDialogDraft,
  createPublicationGenerationDialogDraft,
  createQuickEditPanelDraft,
  createRedrawPanelDraft,
  createSoundEffectGenerationDialogDraft,
  createSpecDialogDraft,
  createUiDesignGenerationDialogDraft,
  createVideoGenerationDialogDraft,
  formatIconDescriptionsText,
  hideGeneratedLayerComposerAfterBlur,
  parseIconDescriptionsText,
  updateCharacterAnimationDurationPanel,
  updateIconDescriptionsTextInDialog,
  updateSpecFormDialogValue,
} from './ImageCanvasGenerationDialogModel';
import {
  IMAGE_MODEL_NANOBANANA2,
} from './ImageCanvasGenerationModel';

function createLayer(overrides: Partial<CanvasLayer> = {}): CanvasLayer {
  return {
    id: 'layer-source',
    resourceId: 'resource-source',
    title: '源图',
    src: 'data:image/png;base64,source',
    x: 120,
    y: 140,
    width: 320,
    height: 240,
    originalWidth: 1024,
    originalHeight: 768,
    zIndex: 2,
    sourceType: 'uploaded',
    ...overrides,
  };
}

describe('ImageCanvasGenerationDialogModel', () => {
  it('creates centered drafts for image and spec generation dialogs', () => {
    const canvasSize = { width: 1000, height: 800 };
    const viewport = { x: 100, y: 40, scale: 2 };

    expect(createGenerateDialogDraft({ canvasSize, viewport })).toMatchObject({
      mode: 'generate',
      status: 'idle',
      composerOpen: true,
      placeholder: {
        x: -312,
        y: -332,
        width: 1024,
        height: 1024,
        originalWidth: 1024,
        originalHeight: 1024,
      },
    });
    expect(
      createSpecDialogDraft({ canvasSize, viewport, specType: 'icon' }),
    ).toMatchObject({
      mode: 'spec',
      specType: 'icon',
      specValues: {
        playSetting: '休闲小游戏',
        artStyle: '清爽卡通',
      },
      placeholder: {
        x: -824,
        y: -396,
        width: 2048,
        height: 1152,
        originalWidth: 2048,
        originalHeight: 1152,
      },
    });
  });

  it('creates publication material drafts with the workflow output size', () => {
    const canvasSize = { width: 960, height: 720 };
    const viewport = { x: 0, y: 0, scale: 1 };

    expect(
      createPublicationGenerationDialogDraft({
        canvasSize,
        viewport,
        workflowId: 'publication-promo-poster',
      }),
    ).toMatchObject({
      mode: 'publication',
      publicationWorkflowId: 'publication-promo-poster',
      placeholder: {
        x: -160,
        y: 0,
        width: 1280,
        height: 720,
        originalWidth: 1280,
        originalHeight: 720,
      },
    });
  });

  it('creates character and icon generation drafts with model dimensions', () => {
    const canvasSize = { width: 960, height: 720 };
    const viewport = { x: 0, y: 0, scale: 1 };

    expect(
      createCharacterGenerationDialogDraft({
        canvasSize,
        viewport,
        imageModel: 'gpt-image-2',
      }),
    ).toMatchObject({
      mode: 'character',
      imageModel: 'gpt-image-2',
      aspectRatio: '1:1',
      imageSize: '1K',
      characterSpecReference: null,
      characterReferences: [],
      placeholder: {
        x: -32,
        y: -152,
        width: 1024,
        height: 1024,
      },
    });
    expect(
      createIconGenerationDialogDraft({
        canvasSize,
        viewport,
        imageModel: 'unknown-model',
      }),
    ).toMatchObject({
      mode: 'icon',
      imageModel: 'unknown-model',
      aspectRatio: '1:1',
      imageSize: '1K',
      prompt: '返回按钮\n设置按钮\n下一关按钮\n提示按钮\n原图按钮\n冻结按钮',
      iconSpecReference: null,
      iconDescriptions: [
        '返回按钮',
        '设置按钮',
        '下一关按钮',
        '提示按钮',
        '原图按钮',
        '冻结按钮',
      ],
      placeholder: {
        x: -32,
        y: -152,
        width: 1024,
        height: 1024,
      },
    });
  });

  it('creates video and UI design drafts restored from the original generation entry work', () => {
    const canvasSize = { width: 960, height: 720 };
    const viewport = { x: 0, y: 0, scale: 1 };

    expect(createVideoGenerationDialogDraft({ canvasSize, viewport }))
      .toMatchObject({
        mode: 'video',
        status: 'idle',
        composerOpen: true,
        generationReferences: [],
        videoModel: 'seedance2.0-fast',
        videoAspectRatio: '16:9',
        videoResolution: '480p',
        videoDurationSeconds: 4,
        videoMode: 'std',
        videoSound: 'on',
        videoWebSearchEnabled: true,
        placeholder: {
          x: 53,
          y: 120,
          width: 854,
          height: 480,
          originalWidth: 854,
          originalHeight: 480,
        },
      });
    expect(
      createUiDesignGenerationDialogDraft({
        canvasSize,
        viewport,
        imageModel: 'gpt-image-2',
      }),
    ).toMatchObject({
      mode: 'ui-design',
      imageModel: 'gpt-image-2',
      aspectRatio: '16:9',
      imageSize: '1K',
      uiDesignSpecReference: null,
      placeholder: {
        x: -32,
        y: 72,
        width: 1024,
        height: 576,
      },
    });
  });

  it('creates audio generation drafts for sound effects and background music', () => {
    const canvasSize = { width: 960, height: 720 };
    const viewport = { x: 0, y: 0, scale: 1 };

    expect(createSoundEffectGenerationDialogDraft({ canvasSize, viewport }))
      .toMatchObject({
        mode: 'audio-sound-effect',
        prompt:
          '短促清脆的游戏交互音效，带轻微闪光质感，干净收尾，适合按钮确认或收集奖励。',
        status: 'idle',
        composerOpen: true,
        soundModel: 'audio1.0',
        soundDurationSeconds: 5,
        placeholder: {
          x: 270,
          y: 300,
          width: 420,
          height: 120,
          originalWidth: 420,
          originalHeight: 120,
        },
      });
    expect(createBackgroundMusicGenerationDialogDraft({ canvasSize, viewport }))
      .toMatchObject({
        mode: 'audio-background-music',
        prompt:
          '适合轻松冒险游戏的循环背景音乐，温暖明亮，旋律简洁，不包含人声。',
        status: 'idle',
        composerOpen: true,
        makeInstrumental: true,
        placeholder: {
          x: 270,
          y: 300,
          width: 420,
          height: 120,
        },
      });
  });

  it('creates audio remodel drafts from generated audio layers without references', () => {
    const soundLayer = createLayer({
      id: 'layer-sfx',
      title: '游戏音效',
      mediaType: 'audio',
      assetKind: 'sound-effect',
      prompt: '【系统内置】完整音效提示词：金币收集音，自动混音，内部参数。',
      generationInputs: {
        fields: [
          { title: 'prompt', value: '金币收集音' },
          { title: 'model', value: 'audio1.0' },
          { title: 'duration', value: '7秒' },
        ],
        references: [],
      },
    });
    const musicLayer = createLayer({
      id: 'layer-music',
      title: '游戏背景音乐',
      mediaType: 'audio',
      assetKind: 'background-music',
      prompt: '',
      generationInputs: {
        fields: [{ title: 'gpt_description_prompt', value: '地牢循环音乐' }],
        references: [],
      },
    });

    expect(createAudioRedrawGenerationDialogDraft(soundLayer)).toMatchObject({
      mode: 'audio-sound-effect',
      sourceLayerId: 'layer-sfx',
      prompt: '金币收集音',
      soundModel: 'audio1.0',
      soundDurationSeconds: 7,
      composerOpen: true,
      placeholder: {
        x: 472,
        y: 140,
        width: 420,
        height: 120,
      },
    });
    expect(createAudioRedrawGenerationDialogDraft(musicLayer)).toMatchObject({
      mode: 'audio-background-music',
      sourceLayerId: 'layer-music',
      prompt: '地牢循环音乐',
      makeInstrumental: true,
      composerOpen: true,
      placeholder: {
        x: 472,
        y: 140,
        width: 420,
        height: 120,
      },
    });
    expect(createAudioRedrawGenerationDialogDraft(createLayer())).toBeNull();
  });

  it('keeps audio remodel prompts blank when no user input snapshot exists', () => {
    expect(
      createAudioRedrawGenerationDialogDraft(
        createLayer({
          mediaType: 'audio',
          assetKind: 'sound-effect',
          prompt: '【系统内置】完整音效提示词',
          generationInputs: { fields: [], references: [] },
        }),
      ),
    ).toMatchObject({
      mode: 'audio-sound-effect',
      prompt: '',
    });
    expect(
      createAudioRedrawGenerationDialogDraft(
        createLayer({
          mediaType: 'audio',
          assetKind: 'background-music',
          title: '游戏背景音乐',
          prompt: '【系统内置】完整背景音乐提示词',
          generationInputs: {
            fields: [{ title: 'duration', value: '10秒' }],
            references: [],
          },
        }),
      ),
    ).toMatchObject({
      mode: 'audio-background-music',
      prompt: '',
    });
  });

  it('creates edit, quick-edit, and character animation panel drafts', () => {
    const sourceLayer = createLayer({
      prompt: '【系统内置】完整拼接提示词：原图提示，自动画质优化。',
      model: 'gpt-image-2',
      assetKind: 'character',
      generationInputs: {
        fields: [{ title: '生成提示词', value: '原图提示' }],
        references: [],
      },
    });

    expect(createEditDialogDraft(sourceLayer)).toEqual({
      mode: 'edit',
      prompt: '原图提示',
      status: 'idle',
      composerOpen: true,
      sourceLayerId: 'layer-source',
    });
    expect(createQuickEditPanelDraft(sourceLayer)).toEqual({
      mode: 'quick-edit',
      sourceLayerId: 'layer-source',
      prompt: '',
      size: '1024x768',
      aspectRatio: '4:3',
      imageSize: '1K',
      model: 'gpt-image-2',
      quickEditReferences: [],
      status: 'idle',
    });
    expect(createRedrawPanelDraft(sourceLayer).prompt).toBe('原图提示');
    expect(createCharacterAnimationPanelDraft(sourceLayer)).toEqual({
      sourceLayerId: 'layer-source',
      promptText: '',
      resolution: '480p',
      ratio: 'same',
      frameCount: 32,
      durationSeconds: 4,
      status: 'idle',
    });
    expect(createCharacterAnimationPanelDraft(createLayer())).toBeNull();
  });

  it('restores remodel prompts from user-visible generation input snapshots only', () => {
    const cases: Array<{
      fields: NonNullable<CanvasLayer['generationInputs']>['fields'];
      expectedPrompt: string;
    }> = [
      {
        fields: [{ title: '视频描述', value: '用户的视频描述' }],
        expectedPrompt: '用户的视频描述',
      },
      {
        fields: [{ title: '角色设定', value: '用户的角色设定' }],
        expectedPrompt: '用户的角色设定',
      },
      {
        fields: [{ title: '用户输入', value: '用户的 UI 需求' }],
        expectedPrompt: '用户的 UI 需求',
      },
      {
        fields: [{ title: '素材描述', value: '返回按钮\n设置按钮' }],
        expectedPrompt: '返回按钮\n设置按钮',
      },
      {
        fields: [{ title: '自定义规范提示词', value: '用户自定义规范' }],
        expectedPrompt: '用户自定义规范',
      },
      {
        fields: [
          { title: '玩法设定', value: '平台跳跃' },
          { title: '美术风格', value: '像素风' },
        ],
        expectedPrompt: '玩法设定：平台跳跃\n美术风格：像素风',
      },
      {
        fields: [
          { title: '游戏名', value: '星海远征' },
          { title: '游戏分类', value: '冒险' },
          { title: '一句话描述游戏', value: '驾驶飞船探索星云' },
        ],
        expectedPrompt:
          '游戏名：星海远征\n游戏分类：冒险\n一句话描述游戏：驾驶飞船探索星云',
      },
      {
        fields: [{ title: '动作描述', value: '待机动作' }],
        expectedPrompt: '待机动作',
      },
    ];

    for (const testCase of cases) {
      expect(
        createRedrawPanelDraft(
          createLayer({
            prompt: '【系统内置】完整拼接提示词，包含默认规则和模型约束。',
            generationInputs: {
              fields: testCase.fields,
              references: [],
            },
          }),
        ).prompt,
      ).toBe(testCase.expectedPrompt);
    }

    expect(
      createRedrawPanelDraft(
        createLayer({
          prompt: '【系统内置】固定素材提取提示词',
          generationInputs: {
            fields: [
              {
                title: '提取提示词',
                value: '仅提取被红色框框选的素材并整理成spritesheet',
              },
              { title: 'model', value: 'gpt-image-2' },
            ],
            references: [],
          },
        }),
      ).prompt,
    ).toBe('');
  });

  it('normalizes legacy nanobanana model aliases in quick edit drafts', () => {
    expect(
      createQuickEditPanelDraft(
        createLayer({
          model: 'nano-banana',
        }),
      ).model,
    ).toBe(IMAGE_MODEL_NANOBANANA2);
    expect(
      createQuickEditPanelDraft(
        createLayer({
          model: 'nanobanana2',
        }),
      ).model,
    ).toBe(IMAGE_MODEL_NANOBANANA2);
  });

  it('creates character animation generation dialog drafts for character layers', () => {
    const canvasSize = { width: 960, height: 720 };
    const viewport = { x: 0, y: 0, scale: 1 };
    const characterLayer = createLayer({
      id: 'layer-character',
      assetKind: 'character',
    });

    expect(
      createCharacterAnimationGenerationDialogDraft({
        canvasSize,
        viewport,
        layer: characterLayer,
      }),
    ).toMatchObject({
      mode: 'character-animation',
      sourceLayerId: 'layer-character',
      status: 'idle',
      composerOpen: true,
      characterAnimationResolution: '480p',
      characterAnimationRatio: 'same',
      characterAnimationFrameCount: 32,
      characterAnimationDurationSeconds: 4,
      placeholder: {
        x: 270,
        y: 150,
        width: 420,
        height: 420,
        originalWidth: 1024,
        originalHeight: 1024,
      },
    });
    expect(
      createCharacterAnimationGenerationDialogDraft({
        canvasSize,
        viewport,
        layer: createLayer(),
      }),
    ).toBeNull();
  });

  it('resets failed character and icon dialogs when picking references', () => {
    const characterDialog: GenerateDialogState = {
      mode: 'character',
      prompt: '',
      status: 'failed',
      errorMessage: '请选择角色规范',
      characterReferences: [],
    };
    const sourceLayer = createLayer({ title: '参考图' });

    expect(assignCharacterSpecReference(characterDialog, sourceLayer)).toEqual(
      expect.objectContaining({
        status: 'idle',
        errorMessage: undefined,
        composerOpen: true,
        characterSpecReference: expect.objectContaining({
          id: 'canvas-layer-source',
          label: '参考图',
          src: 'data:image/png;base64,source',
          resourceId: 'resource-source',
        }),
      }),
    );
    expect(
      appendCharacterReference(characterDialog, sourceLayer),
    ).toMatchObject({
      status: 'idle',
      errorMessage: undefined,
      characterReferences: [{ label: '参考图' }],
    });

    const iconDialog: GenerateDialogState = {
      mode: 'icon',
      prompt: '',
      status: 'failed',
      errorMessage: '请选择图标规范',
    };
    expect(
      assignIconSpecReference(
        iconDialog,
        createLayer({ assetKind: 'icon-spec' }),
      ),
    ).toMatchObject({
      status: 'idle',
      errorMessage: undefined,
      iconSpecReference: { id: 'canvas-layer-source' },
    });
    expect(assignIconSpecReference(iconDialog, sourceLayer)).toBe(iconDialog);
    expect(
      assignIconSpecReference(
        iconDialog,
        createLayer({
          title: '旧UI素材规范',
          assetKind: 'spec',
          generationInputs: {
            fields: [
              {
                title: '玩法设定',
                value: '生成一张完整游戏UI规范汇总设定展板',
              },
            ],
            references: [],
          },
        }),
      ),
    ).toMatchObject({
      status: 'idle',
      errorMessage: undefined,
      iconSpecReference: { label: '旧UI素材规范' },
    });
  });

  it('routes picked canvas references to spec, image, video, and UI design fields', () => {
    const sourceLayer = createLayer({ title: '参考图' });
    const videoLayer = createLayer({
      id: 'layer-video',
      title: '动作参考',
      src: 'https://signed.example.com/reference.mp4',
      mediaType: 'video',
      objectKey: 'generated-character-drafts/editor/seedance-references/video/reference.mp4',
      assetObjectId: 'asset-object-video',
    });
    expect(
      appendGenerationReference(
        {
          mode: 'spec',
          prompt: '',
          status: 'failed',
          errorMessage: '失败',
        },
        sourceLayer,
      ),
    ).toMatchObject({
      status: 'idle',
      errorMessage: undefined,
      specReference: { label: '参考图' },
    });
    expect(
      appendGenerationReference(
        {
          mode: 'video',
          prompt: '',
          status: 'idle',
          generationReferences: [],
        },
        sourceLayer,
      ),
    ).toMatchObject({
      generationReferences: [{ label: '参考图' }],
    });
    expect(
      appendGenerationReference(
        {
          mode: 'video',
          prompt: '',
          status: 'idle',
          videoModel: 'seedance2.0-fast',
          generationReferences: [],
        },
        videoLayer,
      ),
    ).toMatchObject({
      generationReferences: [
        {
          label: '动作参考',
          mediaType: 'video',
          objectKey:
            'generated-character-drafts/editor/seedance-references/video/reference.mp4',
          assetObjectId: 'asset-object-video',
        },
      ],
    });
    const imageDialog: GenerateDialogState = {
      mode: 'generate',
      prompt: '',
      status: 'idle',
      generationReferences: [],
    };
    expect(appendGenerationReference(imageDialog, videoLayer)).toBe(imageDialog);
    const specDialog: GenerateDialogState = {
      mode: 'spec',
      prompt: '',
      status: 'idle',
    };
    expect(appendGenerationReference(specDialog, videoLayer)).toBe(specDialog);

    const uiDialog: GenerateDialogState = {
      mode: 'ui-design',
      prompt: '',
      status: 'failed',
      errorMessage: '失败',
    };
    expect(assignUiDesignSpecReference(uiDialog, sourceLayer)).toBe(uiDialog);
    expect(
      assignUiDesignSpecReference(
        uiDialog,
        createLayer({ title: '图标规范', assetKind: 'icon-spec' }),
      ),
    ).toMatchObject({
      status: 'idle',
      errorMessage: undefined,
      uiDesignSpecReference: { label: '图标规范' },
    });
  });

  it('limits Seedance canvas-picked references by media type', () => {
    const videoDialog: GenerateDialogState = {
      mode: 'video',
      prompt: '',
      status: 'idle',
      videoModel: 'seedance2.0',
      generationReferences: Array.from({ length: 3 }, (_, index) => ({
        id: `video-${index}`,
        label: `视频${index + 1}`,
        src: `generated-character-drafts/video-${index}.mp4`,
        mediaType: 'video',
      })),
    };

    expect(
      appendGenerationReference(
        videoDialog,
        createLayer({
          id: 'video-extra',
          title: '额外视频',
          mediaType: 'video',
          src: 'generated-character-drafts/video-extra.mp4',
        }),
      ),
    ).toMatchObject({
      generationReferences: [
        { label: '视频1' },
        { label: '视频2' },
        { label: '视频3' },
      ],
    });
    expect(
      appendGenerationReference(
        videoDialog,
        createLayer({
          id: 'audio-first',
          title: '旁白',
          mediaType: 'audio',
          src: 'generated-character-drafts/audio.mp3',
        }),
      ),
    ).toMatchObject({
      generationReferences: [
        { label: '视频1' },
        { label: '视频2' },
        { label: '视频3' },
        { label: '旁白', mediaType: 'audio' },
      ],
    });
  });

  it('updates failed spec and icon dialog fields back to idle state', () => {
    const specDialog: GenerateDialogState = {
      mode: 'spec',
      prompt: '',
      status: 'failed',
      errorMessage: '生成失败',
      specType: 'custom',
      specValues: {
        playSetting: '',
        artStyle: '',
        bodyRatio: '3',
        characterView: '',
        customPrompt: '',
      },
    };

    expect(
      updateSpecFormDialogValue(specDialog, 'customPrompt', '新规范'),
    ).toEqual(
      expect.objectContaining({
        status: 'idle',
        errorMessage: undefined,
        specValues: expect.objectContaining({
          customPrompt: '新规范',
          bodyRatio: '3',
        }),
      }),
    );

    const iconDialog: GenerateDialogState = {
      mode: 'icon',
      prompt: '',
      status: 'failed',
      errorMessage: '描述错误',
      iconDescriptions: ['旧描述'],
    };
    expect(updateIconDescriptionsTextInDialog(iconDialog, '剑\n盾、药水')).toEqual(
      expect.objectContaining({
        status: 'idle',
        errorMessage: undefined,
        prompt: '剑\n盾、药水',
        iconDescriptions: ['剑', '盾', '药水'],
      }),
    );
    expect(parseIconDescriptionsText('剑，盾\n药水/宝箱|钥匙')).toEqual([
      '剑',
      '盾',
      '药水',
      '宝箱',
      '钥匙',
    ]);
    expect(formatIconDescriptionsText(['剑', '盾'])).toBe('剑\n盾');
  });

  it('updates character animation duration and composer visibility', () => {
    const failedPanel: CharacterAnimationPanelState = {
      sourceLayerId: 'layer-character',
      promptText: '',
      resolution: '480p',
      ratio: 'same',
      frameCount: 32,
      durationSeconds: 4,
      status: 'failed',
      errorMessage: '失败',
    };
    expect(updateCharacterAnimationDurationPanel(failedPanel, '48')).toEqual({
      ...failedPanel,
      frameCount: 48,
      durationSeconds: 6,
      status: 'idle',
      errorMessage: undefined,
    });
    expect(updateCharacterAnimationDurationPanel(failedPanel, '999')).toBe(
      failedPanel,
    );

    const generateDialog: GenerateDialogState = {
      mode: 'generate',
      prompt: '',
      status: 'idle',
      composerOpen: true,
    };
    expect(hideGeneratedLayerComposerAfterBlur(generateDialog)).toEqual({
      ...generateDialog,
      composerOpen: false,
    });
    expect(closeGenerateComposerDialog(generateDialog)).toEqual({
      ...generateDialog,
      composerOpen: false,
    });
  });
});