import {
  buildWhiteBackgroundFixedFileName,
  countWhiteBackgroundAssets,
  countWhiteBackgroundFixedViews,
  countWhiteBackgroundOtherImages,
  getWhiteBackgroundAssetWhereForSku,
  getMissingWhiteBackgroundViewsFromAssetGroup,
  getWhiteBackgroundOtherAssetType,
  getWhiteBackgroundOtherPreviewRelativeFilePath,
  getNextWhiteBackgroundOtherIndex,
  getWhiteBackgroundPreviewRelativeDirectory,
  getWhiteBackgroundPreviewRelativeFilePath,
  getWhiteBackgroundPreviewRelativePathFromAssetPath,
  getWhiteBackgroundRelativeDirectory,
  getWhiteBackgroundRelativeFilePath,
  getWhiteBackgroundViewAssetType,
  getWhiteBackgroundZipFileName,
  groupWhiteBackgroundAssetsBySku,
  hasAnyWhiteBackgroundAssetGroup,
  hasCompleteWhiteBackgroundAssetGroup,
  parseStandardModelWhiteBgAssetType,
  STANDARD_MODEL_WHITE_BG_ASSET_TYPE_PREFIX,
  STANDARD_MODEL_WHITE_BG_OTHER_ASSET_TYPE_PREFIX,
  STANDARD_MODEL_WHITE_BG_VIEWS,
  STANDARD_MODEL_WHITE_BG_OTHER_FIELD_NAME,
  STANDARD_MODEL_WHITE_BG_VIEW_ASSET_TYPE_PREFIX,
  getAllWhiteBackgroundAssetTypesForSku,
  getCurrentWhiteBackgroundAssetType,
  getMissingWhiteBackgroundViews,
  hasCompleteWhiteBackgroundSet,
  getWhiteBackgroundFieldName,
  normalizeWhiteBackgroundSkuName,
  replaceWhiteBackgroundFileExtension,
} from '@/lib/standard-model-white-background'

describe('standard-model-white-background helpers', () => {
  const createMockFile = (name: string): File => ({ name } as unknown as File)

  test('returns missing views when not all eight images are provided', () => {
    const files = {
      leftFront45: createMockFile('left-front-45.jpg'),
      rightFront45: createMockFile('right-front-45.jpg'),
      leftBack45: createMockFile('left-back-45.jpg'),
      rightBack45: null,
      front: createMockFile('front.jpg'),
      back: null,
      left: createMockFile('left.jpg'),
      right: null,
    }

    const missing = getMissingWhiteBackgroundViews(files)

    expect(missing).toEqual(['rightBack45', 'back', 'right'])
  })

  test('recognizes complete white background image set', () => {
    const files = {
      leftFront45: createMockFile('left-front-45.jpg'),
      rightFront45: createMockFile('right-front-45.jpg'),
      leftBack45: createMockFile('left-back-45.jpg'),
      rightBack45: createMockFile('right-back-45.jpg'),
      front: createMockFile('front.jpg'),
      back: createMockFile('back.jpg'),
      left: createMockFile('left.jpg'),
      right: createMockFile('right.jpg'),
    }

    expect(hasCompleteWhiteBackgroundSet(files)).toBe(true)
    expect(getMissingWhiteBackgroundViews(files)).toEqual([])
  })

  test('exports eight canonical white background views', () => {
    expect(STANDARD_MODEL_WHITE_BG_VIEWS.map((item) => item.key)).toEqual([
      'leftFront45',
      'rightFront45',
      'leftBack45',
      'rightBack45',
      'front',
      'back',
      'left',
      'right',
    ])
  })

  test('builds backend field names from view key', () => {
    expect(getWhiteBackgroundFieldName('leftFront45')).toBe('whiteBgLeftFront45')
    expect(getWhiteBackgroundFieldName('front')).toBe('whiteBgFront')
  })

  test('exports other images field name', () => {
    expect(STANDARD_MODEL_WHITE_BG_OTHER_FIELD_NAME).toBe('whiteBgOtherImages')
  })

  test('exports current white background asset type helpers', () => {
    expect(STANDARD_MODEL_WHITE_BG_ASSET_TYPE_PREFIX).toBe('standard-model-white-bg-zip-v2:')
    expect(getCurrentWhiteBackgroundAssetType('sku-1')).toBe('standard-model-white-bg-zip-v2:sku-1')
    expect(getAllWhiteBackgroundAssetTypesForSku('sku-1')).toContain('standard-model-white-bg-zip-v2:sku-1')
    expect(getAllWhiteBackgroundAssetTypesForSku('sku-1')).toContain('standard-model-white-bg-zip')
    expect(getAllWhiteBackgroundAssetTypesForSku('sku-1')).toContain('standard-model-white-bg-zip:sku-1')
  })

  test('exports per-image asset type helpers', () => {
    expect(STANDARD_MODEL_WHITE_BG_VIEW_ASSET_TYPE_PREFIX).toBe('standard-model-white-bg-view:')
    expect(STANDARD_MODEL_WHITE_BG_OTHER_ASSET_TYPE_PREFIX).toBe('standard-model-white-bg-other:')
    expect(getWhiteBackgroundViewAssetType('sku-1', 'front')).toBe('standard-model-white-bg-view:sku-1:front')
    expect(getWhiteBackgroundOtherAssetType('sku-1', 2)).toBe('standard-model-white-bg-other:sku-1:2')
  })

  test('parses per-image asset types', () => {
    expect(parseStandardModelWhiteBgAssetType('standard-model-white-bg-view:sku-1:front')).toEqual({
      kind: 'view',
      skuId: 'sku-1',
      viewKey: 'front',
    })

    expect(parseStandardModelWhiteBgAssetType('standard-model-white-bg-other:sku-1:3')).toEqual({
      kind: 'other',
      skuId: 'sku-1',
      index: 3,
    })
  })

  test('builds white background storage paths', () => {
    expect(getWhiteBackgroundRelativeDirectory('material-1', 'sku-1')).toBe(
      'uploads/skus/material-1/white-background/sku-1',
    )
    expect(getWhiteBackgroundRelativeFilePath('material-1', 'sku-1', 'front.jpg')).toBe(
      'uploads/skus/material-1/white-background/sku-1/front.jpg',
    )
    expect(getWhiteBackgroundZipFileName('SKU001')).toBe('SKU001_白底图.zip')
  })

  test('builds white background preview storage paths', () => {
    expect(replaceWhiteBackgroundFileExtension('front.png')).toBe('front.webp')
    expect(replaceWhiteBackgroundFileExtension('other/front.JPG')).toBe('other/front.webp')
    expect(getWhiteBackgroundPreviewRelativeDirectory('material-1', 'sku-1')).toBe(
      'uploads/skus/material-1/white-background/sku-1/preview',
    )
    expect(getWhiteBackgroundPreviewRelativeFilePath('material-1', 'sku-1', 'front.png')).toBe(
      'uploads/skus/material-1/white-background/sku-1/preview/front.webp',
    )
    expect(getWhiteBackgroundOtherPreviewRelativeFilePath('material-1', 'sku-1', '01-other.png')).toBe(
      'uploads/skus/material-1/white-background/sku-1/preview/other/01-other.webp',
    )
  })

  test('derives preview relative path from white background asset path', () => {
    expect(
      getWhiteBackgroundPreviewRelativePathFromAssetPath(
        'uploads/skus/material-1/white-background/sku-1/front.png',
      ),
    ).toBe('uploads/skus/material-1/white-background/sku-1/preview/front.webp')
    expect(
      getWhiteBackgroundPreviewRelativePathFromAssetPath(
        '/uploads/skus/material-1/white-background/sku-1/other/01-other.png',
      ),
    ).toBe('uploads/skus/material-1/white-background/sku-1/preview/other/01-other.webp')
    expect(
      getWhiteBackgroundPreviewRelativePathFromAssetPath(
        'https://s3.example/white-background/front.png',
      ),
    ).toBeNull()
  })

  test('builds fixed white background file name with sku and category', () => {
    expect(normalizeWhiteBackgroundSkuName('sku_01-a')).toBe('SKU_01-A')
    expect(buildWhiteBackgroundFixedFileName('sku_01-a', '休闲椅', '左前45°', '.PNG')).toBe(
      'SKU_01-A-休闲椅-左前45°.png',
    )
    expect(buildWhiteBackgroundFixedFileName('sku001', '', '正视图', 'jpg')).toBe(
      'SKU001-正视图.jpg',
    )
  })

  test('builds prisma where clause for a sku white background', () => {
    expect(getWhiteBackgroundAssetWhereForSku('sku-1')).toEqual({
      OR: [
        { assetType: 'standard-model-white-bg-zip-v2:sku-1' },
        { assetType: 'standard-model-white-bg-zip' },
        { assetType: 'standard-model-white-bg-zip:sku-1' },
        { assetType: { startsWith: 'standard-model-white-bg-view:sku-1:' } },
        { assetType: { startsWith: 'standard-model-white-bg-other:sku-1:' } },
      ],
    })
  })

  test('groups white background assets by sku and recognizes completeness', () => {
    const grouped = groupWhiteBackgroundAssetsBySku([
      {
        assetType: 'standard-model-white-bg-view:sku-1:leftFront45',
        fileUrl: 'uploads/a.jpg',
        fileName: '左前45°.jpg',
        sortOrder: 0,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:rightFront45',
        fileUrl: 'uploads/b.jpg',
        fileName: '右前45°.jpg',
        sortOrder: 1,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:leftBack45',
        fileUrl: 'uploads/c.jpg',
        fileName: '左后45°.jpg',
        sortOrder: 2,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:rightBack45',
        fileUrl: 'uploads/d.jpg',
        fileName: '右后45°.jpg',
        sortOrder: 3,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:front',
        fileUrl: 'uploads/e.jpg',
        fileName: '正视图.jpg',
        sortOrder: 4,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:back',
        fileUrl: 'uploads/f.jpg',
        fileName: '后视图.jpg',
        sortOrder: 5,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:left',
        fileUrl: 'uploads/g.jpg',
        fileName: '左视图.jpg',
        sortOrder: 6,
      },
      {
        assetType: 'standard-model-white-bg-view:sku-1:right',
        fileUrl: 'uploads/h.jpg',
        fileName: '右视图.jpg',
        sortOrder: 7,
      },
      {
        assetType: 'standard-model-white-bg-other:sku-1:1',
        fileUrl: 'uploads/other-1.jpg',
        fileName: '01-other.jpg',
        sortOrder: 1000,
      },
    ])

    const group = grouped.get('sku-1')
    expect(group).toBeDefined()
    expect(group?.other).toHaveLength(1)
    expect(hasAnyWhiteBackgroundAssetGroup(group)).toBe(true)
    expect(hasCompleteWhiteBackgroundAssetGroup(group)).toBe(true)
    expect(countWhiteBackgroundFixedViews(group)).toBe(8)
    expect(countWhiteBackgroundOtherImages(group)).toBe(1)
    expect(countWhiteBackgroundAssets(group)).toBe(9)
    expect(getNextWhiteBackgroundOtherIndex(group)).toBe(2)
    expect(getMissingWhiteBackgroundViewsFromAssetGroup(group)).toEqual([])
  })
})