import { describe, expect } from 'vitest'
import { toggleImageDarkTheme } from './toggleImageDarkTheme'

describe('toogleImageDarkTheme()', () => {
  test('adds isDarkTheme query parameter when isDarkTheme is true', () => {
    const imageUrl = 'https://example.com/image.jpg'
    const isDarkTheme = true
    const expectedUrl = 'https://example.com/image.jpg?isDarkTheme=true'

    const result = toggleImageDarkTheme(imageUrl, isDarkTheme)

    expect(result).toEqual(expectedUrl)
  })

  test('removes isDarkTheme query parameter when isDarkTheme is false', () => {
    const imageUrl = 'https://example.com/image.jpg?isDarkTheme=true'
    const isDarkTheme = false
    const expectedUrl = 'https://example.com/image.jpg'

    const result = toggleImageDarkTheme(imageUrl, isDarkTheme)

    expect(result).toEqual(expectedUrl)
  })

  test('returns original URL when an invalid URL is passed', () => {
    const imageUrl = 'invalid-url'
    const isDarkTheme = true

    const result = toggleImageDarkTheme(imageUrl, isDarkTheme)

    expect(result).toEqual(imageUrl)
  })
})