import { describe, expect, it } from 'vitest'
import { guessLanguageFromPath, isEditableRemoteTextFile } from '../../src/utils/fileLanguage'

describe('guessLanguageFromPath', () => {
  it('detects common file extensions for the SFTP editor', () => {
    expect(guessLanguageFromPath('/a/b/c.ts')).toBe('typescript')
    expect(guessLanguageFromPath('Dockerfile')).toBe('dockerfile')
    expect(guessLanguageFromPath('app.py')).toBe('python')
    expect(guessLanguageFromPath('readme.md')).toBe('markdown')
    expect(guessLanguageFromPath('index.html.bak')).toBe('html')
  })
})

describe('isEditableRemoteTextFile (denylist)', () => {
  it('allows text, code, config, backups, and unknown extensions', () => {
    expect(isEditableRemoteTextFile('notes.txt')).toBe(true)
    expect(isEditableRemoteTextFile('app.yaml')).toBe(true)
    expect(isEditableRemoteTextFile('index.html')).toBe(true)
    expect(isEditableRemoteTextFile('app.css')).toBe(true)
    expect(isEditableRemoteTextFile('main.go')).toBe(true)
    expect(isEditableRemoteTextFile('weird.xyz')).toBe(true)
    expect(isEditableRemoteTextFile('Makefile')).toBe(true)
    expect(isEditableRemoteTextFile('.env')).toBe(true)
    expect(isEditableRemoteTextFile('nginx.conf.bak')).toBe(true)
    expect(isEditableRemoteTextFile('app.py.old')).toBe(true)
    expect(isEditableRemoteTextFile('mystery.bak')).toBe(true)
    expect(isEditableRemoteTextFile('noext')).toBe(true)
  })

  it('rejects archives, binaries, media, and office files', () => {
    expect(isEditableRemoteTextFile('pkg.tar')).toBe(false)
    expect(isEditableRemoteTextFile('pkg.tar.gz')).toBe(false)
    expect(isEditableRemoteTextFile('data.gz')).toBe(false)
    expect(isEditableRemoteTextFile('archive.zip')).toBe(false)
    expect(isEditableRemoteTextFile('setup.exe')).toBe(false)
    expect(isEditableRemoteTextFile('lib.so')).toBe(false)
    expect(isEditableRemoteTextFile('image.png')).toBe(false)
    expect(isEditableRemoteTextFile('photo.jpg')).toBe(false)
    expect(isEditableRemoteTextFile('video.mp4')).toBe(false)
    expect(isEditableRemoteTextFile('font.woff2')).toBe(false)
    expect(isEditableRemoteTextFile('blob.bin')).toBe(false)
    expect(isEditableRemoteTextFile('doc.pdf')).toBe(false)
    expect(isEditableRemoteTextFile('sheet.xlsx')).toBe(false)
    expect(isEditableRemoteTextFile('archive.zip.bak')).toBe(false)
  })

  it('rejects directories', () => {
    expect(isEditableRemoteTextFile('/home/u/src', 'directory')).toBe(false)
  })
})