import { readFileSync } from 'node:fs'
import { resolve } from 'node:path'
import { describe, expect, it } from 'vitest'

const root = resolve(import.meta.dirname, '../../..')
const read = (p: string) => readFileSync(resolve(root, p), 'utf-8')

const dockerfile = read('deploy/docker/authportal/Dockerfile')
const composes = {
  'docker-compose.yml': read('docker-compose.yml'),
  'deploy/docker-compose.traefik.yml': read('deploy/docker-compose.traefik.yml'),
}

describe('Dockerfile', () => {
  it('graceful stop и ограничение ресурсов Node', () => {
    expect(dockerfile).toMatch(/^STOPSIGNAL SIGTERM$/m)
    expect(dockerfile).toMatch(/NODE_OPTIONS=--max-old-space-size=\d+/)
    expect(dockerfile).toMatch(/UV_THREADPOOL_SIZE=4/)
  })

  it('healthcheck без запуска node', () => {
    const hc = dockerfile.split('HEALTHCHECK')[1]!.split('\n').slice(0, 2).join(' ')
    expect(hc).toContain('wget')
    expect(hc).not.toContain('"node"')
  })

  it('запуск не от root, рантайм без тулчейна и pnpm deploy', () => {
    expect(dockerfile).toMatch(/^USER node$/m)
    const runtime = dockerfile.split('AS runtime')[1]!
    expect(runtime).not.toMatch(/apk add/)
    expect(dockerfile).not.toMatch(/pnpm .*deploy/)
  })

  it('статика сжимается только brotli', () => {
    expect(dockerfile).toContain('brotli')
    expect(dockerfile).not.toMatch(/gzip -k/)
  })

  it('preview-маршруты дизайна вырезаются до сборки web', () => {
    const rm = dockerfile.indexOf('rm -f apps/web/src/routes/design-preview*.tsx')
    const build = dockerfile.indexOf('pnpm turbo build')
    expect(rm).toBeGreaterThan(0)
    expect(rm).toBeLessThan(build)
  })

  it('базовый образ закреплён по digest', () => {
    expect(dockerfile).toMatch(/ARG BASE_NODE=\S+@sha256:[0-9a-f]{64}/)
    expect(read('deploy/docker/docker-bake.hcl')).toMatch(/node:22-alpine@sha256:[0-9a-f]{64}/)
  })

  it('в образ копируется весь dist API, а tsup не дробит бандл на чанки', () => {
    expect(dockerfile).toContain('cp -r apps/api/dist /out/dist')
    expect(read('apps/api/tsup.config.ts')).toMatch(/splitting:\s*false/)
  })

  it('нативные модули проверяются при сборке', () => {
    expect(dockerfile).toContain('native modules ok')
  })
})

describe.each(Object.entries(composes))('%s', (_name, text) => {
  it('init, grace period и лимиты ресурсов', () => {
    expect(text).toMatch(/init: true/)
    expect(text).toMatch(/stop_grace_period: 15s/)
    expect(text).toMatch(/mem_limit: 256m/)
    expect(text).toMatch(/pids_limit: \d+/)
    expect(text).toMatch(/read_only: true/)
    expect(text).toMatch(/cap_drop:\s*\n\s*- ALL/)
    expect(text).toMatch(/no-new-privileges:true/)
  })

  it('healthcheck через wget', () => {
    expect(text).toMatch(/"wget", "-q"/)
    expect(text).not.toMatch(/fetch\('http:\/\/127\.0\.0\.1:8080\/health'\)/)
  })
})

describe('traefik', () => {
  it('app ждёт healthy traefik, у traefik есть healthcheck', () => {
    const t = composes['deploy/docker-compose.traefik.yml']
    expect(t).toMatch(/condition: service_healthy/)
    expect(t).toContain('traefik", "healthcheck", "--ping')
    expect(t).toContain('--ping=true')
  })

  it('включено сжатие ответов', () => {
    expect(composes['deploy/docker-compose.traefik.yml']).toContain(
      'middlewares.auth-portal-compress.compress=true',
    )
  })
})