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

import {
  getMediaTypeFromFilename,
  getMediaTypeFromFilenamePlural,
  truncateFilename
} from '@/utils/formatUtil'

describe('formatUtil', () => {
  describe('truncateFilename', () => {
    it('should not truncate short filenames', () => {
      expect(truncateFilename('test.png')).toBe('test.png')
      expect(truncateFilename('short.jpg', 10)).toBe('short.jpg')
    })

    it('should truncate long filenames while preserving extension', () => {
      const longName = 'this-is-a-very-long-filename-that-needs-truncation.png'
      const truncated = truncateFilename(longName, 20)
      expect(truncated).toContain('...')
      expect(truncated.endsWith('.png')).toBe(true)
      expect(truncated.length).toBeLessThanOrEqual(25) // 20 + '...' + extension
    })

    it('should handle filenames without extensions', () => {
      const longName = 'this-is-a-very-long-filename-without-extension'
      const truncated = truncateFilename(longName, 20)
      expect(truncated).toContain('...')
      expect(truncated.length).toBeLessThanOrEqual(23) // 20 + '...'
    })

    it('should handle empty strings', () => {
      expect(truncateFilename('')).toBe('')
      expect(truncateFilename('', 10)).toBe('')
    })

    it('should preserve the start and end of the filename', () => {
      const longName = 'ComfyUI_00001_timestamp_2024_01_01.png'
      const truncated = truncateFilename(longName, 20)
      expect(truncated).toMatch(/^ComfyUI.*01\.png$/)
      expect(truncated).toContain('...')
    })

    it('should handle files with multiple dots', () => {
      const filename = 'my.file.with.multiple.dots.txt'
      const truncated = truncateFilename(filename, 15)
      expect(truncated.endsWith('.txt')).toBe(true)
      expect(truncated).toContain('...')
    })
  })

  describe('getMediaTypeFromFilename', () => {
    describe('image files', () => {
      it('should identify image extensions correctly', () => {
        expect(getMediaTypeFromFilename('test.png')).toBe('image')
        expect(getMediaTypeFromFilename('photo.jpg')).toBe('image')
        expect(getMediaTypeFromFilename('image.jpeg')).toBe('image')
        expect(getMediaTypeFromFilename('animation.gif')).toBe('image')
        expect(getMediaTypeFromFilename('web.webp')).toBe('image')
        expect(getMediaTypeFromFilename('bitmap.bmp')).toBe('image')
      })

      it('should handle uppercase extensions', () => {
        expect(getMediaTypeFromFilename('test.PNG')).toBe('image')
        expect(getMediaTypeFromFilename('photo.JPG')).toBe('image')
      })
    })

    describe('video files', () => {
      it('should identify video extensions correctly', () => {
        expect(getMediaTypeFromFilename('video.mp4')).toBe('video')
        expect(getMediaTypeFromFilename('clip.webm')).toBe('video')
        expect(getMediaTypeFromFilename('movie.mov')).toBe('video')
        expect(getMediaTypeFromFilename('film.avi')).toBe('video')
      })
    })

    describe('audio files', () => {
      it('should identify audio extensions correctly', () => {
        expect(getMediaTypeFromFilename('song.mp3')).toBe('audio')
        expect(getMediaTypeFromFilename('sound.wav')).toBe('audio')
        expect(getMediaTypeFromFilename('music.ogg')).toBe('audio')
        expect(getMediaTypeFromFilename('audio.flac')).toBe('audio')
      })
    })

    describe('3D files', () => {
      it('should identify 3D file extensions correctly', () => {
        expect(getMediaTypeFromFilename('model.obj')).toBe('3D')
        expect(getMediaTypeFromFilename('scene.fbx')).toBe('3D')
        expect(getMediaTypeFromFilename('asset.gltf')).toBe('3D')
        expect(getMediaTypeFromFilename('binary.glb')).toBe('3D')
      })
    })

    describe('edge cases', () => {
      it('should handle empty strings', () => {
        expect(getMediaTypeFromFilename('')).toBe('image')
      })

      it('should handle files without extensions', () => {
        expect(getMediaTypeFromFilename('README')).toBe('image')
      })

      it('should handle unknown extensions', () => {
        expect(getMediaTypeFromFilename('document.pdf')).toBe('image')
        expect(getMediaTypeFromFilename('data.json')).toBe('image')
      })

      it('should handle files with multiple dots', () => {
        expect(getMediaTypeFromFilename('my.file.name.png')).toBe('image')
        expect(getMediaTypeFromFilename('archive.tar.gz')).toBe('image')
      })

      it('should handle paths with directories', () => {
        expect(getMediaTypeFromFilename('/path/to/image.png')).toBe('image')
        expect(getMediaTypeFromFilename('C:\\Windows\\video.mp4')).toBe('video')
      })
    })
  })

  describe('getMediaTypeFromFilenamePlural', () => {
    it('should return plural form for images', () => {
      expect(getMediaTypeFromFilenamePlural('test.png')).toBe('images')
      expect(getMediaTypeFromFilenamePlural('photo.jpg')).toBe('images')
    })

    it('should return plural form for videos', () => {
      expect(getMediaTypeFromFilenamePlural('video.mp4')).toBe('videos')
      expect(getMediaTypeFromFilenamePlural('clip.webm')).toBe('videos')
    })

    it('should return plural form for audios', () => {
      expect(getMediaTypeFromFilenamePlural('song.mp3')).toBe('audios')
      expect(getMediaTypeFromFilenamePlural('sound.wav')).toBe('audios')
    })

    it('should return 3D as is (no plural)', () => {
      expect(getMediaTypeFromFilenamePlural('model.obj')).toBe('3D')
      expect(getMediaTypeFromFilenamePlural('scene.fbx')).toBe('3D')
    })

    it('should default to images for unknown types', () => {
      expect(getMediaTypeFromFilenamePlural('document.pdf')).toBe('images')
      expect(getMediaTypeFromFilenamePlural('')).toBe('images')
    })
  })
})