import {
  convertParamsRouterToRegExp,
  convertQueryString,
} from '../../../lib/url'

describe('convertQueryString', () => {
  test('should return an empty object if no query string is provided', () => {
    expect(convertQueryString('http://example.com')).toEqual({})
  })

  test('should return an object with query parameters', () => {
    const url = 'http://example.com/?foo=bar&baz=qux'
    const expected = { foo: 'bar', baz: 'qux' }
    expect(convertQueryString(url)).toEqual(expected)
  })

  test('should handle URL-encoded values', () => {
    const url = 'http://example.com/?q=hello%20world'
    const expected = { q: 'hello world' }
    expect(convertQueryString(url)).toEqual(expected)
  })

  test('should handle empty keys', () => {
    const url = 'http://example.com/?=empty&foo=bar'
    const expected = { '': 'empty', foo: 'bar' }
    expect(convertQueryString(url)).toEqual(expected)
  })

  test('should handle empty values', () => {
    const url = 'http://example.com/?foo=&bar='
    const expected = { foo: '', bar: '' }
    expect(convertQueryString(url)).toEqual(expected)
  })
})

describe('convertParamsRouterToRegExp', () => {
  test('should return an null if no path is provided', () => {
    expect(convertParamsRouterToRegExp('')).toBeNull()
  })

  test('should return //path/.*?/index/ string if path is /path/:id/index', () => {
    expect(convertParamsRouterToRegExp('/path/:id/index')).toEqual([
      /\/path\/.*?\/index/,
      ['id'],
    ])
  })

  test('should return /path/.*?/.*? string if path is /path/:id/:uid', () => {
    expect(convertParamsRouterToRegExp('/path/:id/:uid')).toEqual([
      /\/path\/.*?\/.*?/,
      ['id', 'uid'],
    ])
  })

  test('should return /path/.*?/.*?/index/ string if path is /path/:id/:uid/index', () => {
    expect(convertParamsRouterToRegExp('/path/:id/:uid/index')).toEqual([
      /\/path\/.*?\/.*?\/index/,
      ['id', 'uid'],
    ])
  })

  test('should return null string if path is /path/index/layout', () => {
    expect(convertParamsRouterToRegExp('/path/index/layout')).toBeNull()
  })
})