import { applyExclusion, PACKAGE_NAME } from '../plugin/applyExclusion'

const base = () => ({ name: 'my-app', version: '1.0.0' })

describe('applyExclusion', () => {
  it('adds the package to all exclude lists when enabled is false', () => {
    const out = applyExclusion(base(), { enabled: false })
    expect(out.expo.autolinking.exclude).toContain(PACKAGE_NAME)
    expect(out.expo.autolinking.ios.exclude).toContain(PACKAGE_NAME)
    expect(out.expo.autolinking.android.exclude).toContain(PACKAGE_NAME)
  })

  it('does not mutate the input', () => {
    const input = base()
    applyExclusion(input, { enabled: false })
    expect(input).toEqual({ name: 'my-app', version: '1.0.0' })
  })

  it('is idempotent when excluding (no duplicates)', () => {
    const once = applyExclusion(base(), { enabled: false })
    const twice = applyExclusion(once, { enabled: false })
    expect(twice).toEqual(once)
    expect(twice.expo.autolinking.exclude).toEqual([PACKAGE_NAME])
  })

  it('removes the package and prunes empty containers when enabled', () => {
    const excluded = applyExclusion(base(), { enabled: false })
    const restored = applyExclusion(excluded, { enabled: true })
    expect(restored).toEqual(base())
  })

  it('treats default (no props) and enabled:true as "include" (removal)', () => {
    const excluded = applyExclusion(base(), { enabled: false })
    expect(applyExclusion(excluded)).toEqual(base())
    expect(applyExclusion(excluded, {})).toEqual(base())
  })

  it('preserves unrelated excludes and other autolinking keys', () => {
    const pkg = {
      name: 'my-app',
      expo: {
        autolinking: {
          exclude: ['some-other-pkg'],
          nativeModulesDir: './modules',
        },
      },
    }
    const out = applyExclusion(pkg, { enabled: false })
    expect(out.expo.autolinking.exclude).toEqual([
      'some-other-pkg',
      PACKAGE_NAME,
    ])
    expect(out.expo.autolinking.nativeModulesDir).toBe('./modules')
    const back = applyExclusion(out, { enabled: true })
    expect(back.expo.autolinking.exclude).toEqual(['some-other-pkg'])
    expect(back.expo.autolinking.nativeModulesDir).toBe('./modules')
  })
})