import { describe, it, expect } from 'vitest'
import { transformText, TRANSFORM_OPTIONS } from '../src/utils/text-transformer.js'

describe('text-transformer', () => {
  it('converts to uppercase', () => {
    const r = transformText('hello world', 'uppercase')
    expect(r.success).toBe(true)
    expect(r.result).toBe('HELLO WORLD')
  })

  it('converts to camelCase', () => {
    const r = transformText('hello world', 'camelcase')
    expect(r.success).toBe(true)
    expect(r.result).toBe('helloWorld')
  })

  it('base64 encodes', () => {
    const r = transformText('hello', 'base64encode')
    expect(r.success).toBe(true)
    expect(r.result).toBe('aGVsbG8=')
  })

  it('base64 decodes', () => {
    const r = transformText('aGVsbG8=', 'base64decode')
    expect(r.success).toBe(true)
    expect(r.result).toBe('hello')
  })

  it('formats JSON', () => {
    const r = transformText('{"a":1}', 'jsonpretty')
    expect(r.success).toBe(true)
    expect(r.result).toContain('"a": 1')
  })

  it('minifies JSON', () => {
    const r = transformText('{\n  "a": 1\n}', 'jsoncompact')
    expect(r.success).toBe(true)
    expect(r.result).toBe('{"a":1}')
  })

  it('sorts lines', () => {
    const r = transformText('c\nb\na', 'sortlines')
    expect(r.success).toBe(true)
    expect(r.result).toBe('a\nb\nc')
  })

  it('has transform options', () => {
    expect(TRANSFORM_OPTIONS.length).toBeGreaterThan(10)
  })

  it('handles invalid JSON', () => {
    const r = transformText('not json', 'jsonpretty')
    expect(r.success).toBe(false)
    expect(r.error).toBeDefined()
  })
})