import { describe, expect, it } from 'vitest'
import { mapWinterUrl } from '../../src/app/winterUrl'

const ID = 'acme.demo.widgets'
const LIST = '/acme/demo/widgets'

describe('mapWinterUrl', () => {
  it('maps an empty, null or missing URL to the list', () => {
    expect(mapWinterUrl('', ID)).toBe(LIST)
    expect(mapWinterUrl(null, ID)).toBe(LIST)
    expect(mapWinterUrl(undefined, ID)).toBe(LIST)
    expect(mapWinterUrl('   ', ID)).toBe(LIST)
  })

  it('maps the controller root and create', () => {
    expect(mapWinterUrl('acme/demo/widgets', ID)).toBe(LIST)
    expect(mapWinterUrl('/acme/demo/widgets/', ID)).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/create', ID)).toBe(`${LIST}/create`)
  })

  it('substitutes :id in update/:id and accepts a literal numeric id', () => {
    expect(mapWinterUrl('acme/demo/widgets/update/:id', ID, 42)).toBe(`${LIST}/42`)
    expect(mapWinterUrl('acme/demo/widgets/update/:id', ID, '7')).toBe(`${LIST}/7`)
    expect(mapWinterUrl('acme/demo/widgets/update/9', ID)).toBe(`${LIST}/9`)
  })

  it('falls back to the list when update has no usable id', () => {
    expect(mapWinterUrl('acme/demo/widgets/update/:id', ID)).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/update/:id', ID, null)).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/update/:id', ID, 'abc')).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/update/1e3', ID)).toBe(LIST)
  })

  it('never leaves the current controller for a foreign or absolute URL (T-10-20)', () => {
    expect(mapWinterUrl('acme/demo/gadgets/update/:id', ID, 1)).toBe(LIST)
    expect(mapWinterUrl('https://evil.example/acme/demo/widgets/create', ID)).toBe(LIST)
    expect(mapWinterUrl('//evil.example/x', ID)).toBe(LIST)
    expect(mapWinterUrl('javascript:alert(1)', ID)).toBe(LIST)
  })

  it('ignores the query and hash, matches the owner case-insensitively and rejects unknown actions', () => {
    expect(mapWinterUrl('acme/demo/widgets/create?x=1#top', ID)).toBe(`${LIST}/create`)
    expect(mapWinterUrl('Acme/Demo/Widgets/update/:id', ID, 3)).toBe(`${LIST}/3`)
    expect(mapWinterUrl('acme/demo/widgets/preview/3', ID)).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/update/3/extra', ID)).toBe(LIST)
    expect(mapWinterUrl('acme/demo/widgets/CREATE', ID)).toBe(LIST)
  })

  it('answers the root for a malformed controller id', () => {
    expect(mapWinterUrl('acme/demo/widgets', 'acme.demo')).toBe('/')
    expect(mapWinterUrl('acme/demo/widgets', 'acme.demo.wid gets')).toBe('/')
  })
})