import { describe, expect, it } from 'vitest'
import { isWindowsLocalPath, joinLocalPath, parentPath, splitPathSegments } from '../../src/utils/localPath'
import { fallbackLocalShells, localShellEnterKey } from '../../src/utils/platformShells'

describe('localPath', () => {
  it('detects windows paths', () => {
    expect(isWindowsLocalPath('C:\\Users\\a')).toBe(true)
    expect(isWindowsLocalPath('D:/tmp')).toBe(true)
    expect(isWindowsLocalPath('/home/a')).toBe(false)
  })

  it('computes windows parents without collapsing to /', () => {
    expect(parentPath('C:\\Users\\logan\\docs', true)).toBe('C:\\Users\\logan')
    expect(parentPath('C:\\Users', true)).toBe('C:\\')
    expect(parentPath('C:\\', true)).toBe('C:\\')
  })

  it('splits windows breadcrumbs with drive root', () => {
    const segments = splitPathSegments('C:\\Users\\logan', true)
    expect(segments.root).toBe('C:\\')
    expect(segments.parts).toEqual(['Users', 'logan'])
    expect(segments.join(['Users'])).toBe('C:\\Users')
  })

  it('keeps posix remote parents', () => {
    expect(parentPath('/var/log', false)).toBe('/var')
    expect(parentPath('/', false)).toBe('/')
  })

  it('joins local paths with platform separators', () => {
    expect(joinLocalPath('C:\\Users', 'a.txt')).toBe('C:\\Users\\a.txt')
    expect(joinLocalPath('/home/a', 'b.txt')).toBe('/home/a/b.txt')
  })
})

describe('platformShells', () => {
  it('returns windows shells for windows platform', () => {
    const shells = fallbackLocalShells('windows')
    expect(shells.some((shell) => shell.kind === 'cmd')).toBe(true)
    expect(shells.some((shell) => shell.kind === 'pwsh')).toBe(true)
  })

  it('defaults linux to bash', () => {
    const shells = fallbackLocalShells('linux')
    expect(shells[0]?.kind).toBe('bash')
    expect(shells[0]?.isDefault).toBe(true)
  })

  it('uses CRLF enter for windows shells', () => {
    expect(localShellEnterKey('cmd')).toBe('\r\n')
    expect(localShellEnterKey('pwsh')).toBe('\r\n')
    expect(localShellEnterKey('bash')).toBe('\n')
  })
})