import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import { dirname, join } from 'node:path'
import test from 'node:test'
import { fileURLToPath } from 'node:url'

const here = dirname(fileURLToPath(import.meta.url))
const skillPath = join(here, '..', 'skills', 'sdd', 'SKILL.md')
const text = () => readFileSync(skillPath, 'utf8')

test('sdd skill is model-invocable', () => {
  const body = text()
  assert.match(body, /^---\nname: sdd\n/)
  assert.match(body, /\ndescription: .+/)
  assert.ok(Buffer.byteLength(body) < 12288, 'skill is over the 12 KiB budget')
})

test('sdd skill describes both controller modes and the depth check', () => {
  const body = text()
  assert.match(body, /Режим 1/)
  assert.match(body, /Режим 2/)
  assert.match(body, /maxDepth: 2/)
  assert.match(body, /глубин/)
  assert.match(body, /откат/i)
})

test('sdd skill names the asynchronous tools and never job_output', () => {
  const body = text()
  for (const tool of ['subagent', 'send_message', 'list_agents', 'interrupt_agent']) {
    assert.ok(body.includes(tool), `missing ${tool}`)
  }
  for (const line of body.split('\n').filter((l) => l.includes('job_output'))) {
    assert.match(line, /не /i, `job_output proposed as a wait mechanism: ${line}`)
  }
  assert.match(body, /закончи ход/)
  assert.match(body, /уведомлен/)
})

test('sdd skill fixes the report contract and the model routes', () => {
  const body = text()
  for (const status of ['DONE_WITH_CONCERNS', 'NEEDS_CONTEXT', 'BLOCKED']) {
    assert.ok(body.includes(status), `missing status ${status}`)
  }
  assert.match(body, /deepseek-official\/deepseek-flash/)
  assert.match(body, /deepseek-official\/deepseek-v4-pro/)
  assert.match(body, /модель сессии/)
})

test('sdd skill explains the one-sided route error instead of calling validation flaky', () => {
  const body = text()
  assert.match(body, /must be supplied together/)
  assert.match(body, /не хватает `provider`/)
  assert.doesNotMatch(body, /валидаци\S* в 0\.2\.1-rc\.3 нестабильн/i)
})

test('sdd skill requires the ledger with findings and statuses', () => {
  const body = text()
  assert.match(body, /## Findings/)
  assert.match(body, /fixed <commit>/)
  assert.match(body, /T<n>\.<k>/)
  assert.match(body, /deferred/)
  assert.match(body, /rejected <причина>/)
})

test('sdd skill states the difference from Claude SDD without claiming parity', () => {
  const body = text()
  assert.match(body, /синхронн/i)
  assert.match(body, /асинхронн/i)
  assert.match(body, /subagent-driven-development/)
  assert.match(body, /не паритет/i)
})