import { describe, expect, test } from 'bun:test'
import { extractGlobBaseDirectory } from '../glob'

describe('extractGlobBaseDirectory', () => {
  test('extracts base dir from glob with *', () => {
    const result = extractGlobBaseDirectory('src/utils/*.ts')
    expect(result.baseDir).toBe('src/utils')
    expect(result.relativePattern).toBe('*.ts')
  })

  test('extracts base dir from glob with **', () => {
    const result = extractGlobBaseDirectory('src/**/*.ts')
    expect(result.baseDir).toBe('src')
    expect(result.relativePattern).toBe('**/*.ts')
  })

  test('returns dirname for literal path', () => {
    const result = extractGlobBaseDirectory('src/utils/file.ts')
    expect(result.baseDir).toBe('src/utils')
    expect(result.relativePattern).toBe('file.ts')
  })

  test('handles glob starting with pattern', () => {
    const result = extractGlobBaseDirectory('*.ts')
    expect(result.baseDir).toBe('')
    expect(result.relativePattern).toBe('*.ts')
  })

  test('handles braces pattern', () => {
    const result = extractGlobBaseDirectory('src/{a,b}/*.ts')
    expect(result.baseDir).toBe('src')
    expect(result.relativePattern).toBe('{a,b}/*.ts')
  })

  test('handles question mark pattern', () => {
    const result = extractGlobBaseDirectory('src/?.ts')
    expect(result.baseDir).toBe('src')
    expect(result.relativePattern).toBe('?.ts')
  })
})