import assert from 'node:assert/strict'
import { spawnSync } from 'node:child_process'
import { existsSync, readFileSync } from 'node:fs'
import { dirname, join } from 'node:path'
import test from 'node:test'
import { fileURLToPath } from 'node:url'
import { cleanup, tempDir, write } from './helpers.mjs'

const here = dirname(fileURLToPath(import.meta.url))
const overlay = join(here, '..', 'subagent-models.yml')
const script = join(here, '..', 'install.sh')

test('overlay enables model selection for both routes and depth 2', () => {
  assert.ok(existsSync(overlay), 'dsh/subagent-models.yml is missing')
  const text = readFileSync(overlay, 'utf8')
  assert.match(text, /id: subagent-model-selection-settings/)
  assert.match(text, /model: deepseek-flash/)
  assert.match(text, /model: deepseek-v4-pro/)
  assert.match(text, /id: subagent\n\s+config:\n\s+maxDepth: 2/)
  assert.match(text, /headless/)
})

test('install.sh --check reports the overlay and the profile depth', () => {
  const home = tempDir()
  try {
    const dshHome = join(home, '.dsh')
    const env = { ...process.env, HOME: home, DSH_HOME: dshHome }

    const missing = spawnSync('bash', [script, '--check'], { env, encoding: 'utf8' })
    assert.match(missing.stderr, /subagent maxDepth is not 2/)

    write(join(dshHome, 'profiles', 'desktop', 'cordis.patch.yml'), '- id: subagent\n  config:\n    maxDepth: 2\n')
    const present = spawnSync('bash', [script, '--check'], { env, encoding: 'utf8' })
    assert.match(present.stdout, /ok: subagent overlay/)
    assert.match(present.stdout, /ok: subagent maxDepth=2/)
  } finally {
    cleanup(home)
  }
})