import { test } from 'node:test'
import assert from 'node:assert/strict'
import { plan, servedAtRoot } from '../src/plan.mjs'

const site = (name, url, extra = {}) => ({
  name,
  repo: `owner/${name}`,
  pages: { url },
  detect: { truncated: false },
  verdict: { effort: 'automatic', deploy: { branch: 'main', dir: '/' }, blockers: [] },
  ...extra,
})

test('a project site under github.io already lives on a sub-path', () => {
  assert.equal(servedAtRoot(site('x', 'https://owner.github.io/x/')), false)
})

test('a user site and a custom domain are root-served', () => {
  assert.equal(servedAtRoot(site('owner.github.io', 'https://owner.github.io/')), true)
  assert.equal(servedAtRoot(site('x', 'https://x.example/', { customDomain: 'x.example' })), true)
})

test('only the owner’s own <owner>.github.io becomes the index', async () => {
  const scan = {
    owner: 'Owner',
    repos: [
      site('someone-else.github.io', 'https://owner.github.io/someone-else.github.io/'),
      site('owner.github.io', 'https://owner.github.io/'),
    ],
  }
  const p = await plan(scan, { domain: 'd.tngl.io', network: false })
  assert.equal(p.indexRepo, 'owner.github.io')
  assert.deepEqual(p.indexCandidates, [])
})

test('with no user site, root-served sites are offered as index candidates', async () => {
  const scan = {
    owner: 'owner',
    repos: [
      site('blog', 'https://blog.example/', { customDomain: 'blog.example' }),
      site('proj', 'https://owner.github.io/proj/'),
    ],
  }
  const p = await plan(scan, { domain: 'd.tngl.io', network: false })
  assert.equal(p.indexRepo, null)
  assert.deepEqual(p.indexCandidates, ['blog'])
})