import { createReadStream, existsSync, readFileSync, readdirSync, renameSync, rmSync, unlinkSync, writeFileSync } from 'fs'
import { mkdir, writeFile } from 'fs/promises'
import { basename, join } from 'path'
import { tmpdir } from 'os'
import { getWebUiHome } from '../../config'
import * as hermesCli from '../../services/hermes/hermes-cli'
import { SessionDeleter } from '../../services/hermes/session-deleter'
import { AgentBridgeClient } from '../../services/hermes/agent-bridge'
import {
  getGatewayRuntimeStatusForProfile,
  restartGatewayForProfile as restartGatewayRuntimeForProfile,
} from '../../services/hermes/gateway-autostart'
import { logger } from '../../services/logger'
import { smartCloneCleanup } from '../../services/hermes/profile-credentials'
import { detectHermesRootHome } from '../../services/hermes/hermes-path'
import { getActiveProfileName } from '../../services/hermes/hermes-profile'
import { HermesSkillInjector } from '../../services/hermes/skill-injector'
import type { HermesProfile } from '../../services/hermes/hermes-cli'
import { listUserProfiles } from '../../db/hermes/users-store'

const bridgeCleanupClient = () => new AgentBridgeClient({ connectRetryMs: 0, timeoutMs: 5000 })

interface ProfileAvatarMeta {
  type: 'generated' | 'image'
  seed?: string
  file?: string
  mime?: string
  updatedAt?: number
}

interface ProfileAvatarResponse {
  type: 'generated' | 'image'
  seed?: string
  dataUrl?: string
  updatedAt?: number
}

const RESERVED_PROFILE_NAMES = new Set([
  'hermes', 'default', 'test', 'tmp', 'root', 'sudo',
])

const HERMES_SUBCOMMAND_PROFILE_NAMES = new Set([
  'chat', 'model', 'gateway', 'setup', 'whatsapp', 'login', 'logout',
  'status', 'cron', 'doctor', 'dump', 'config', 'pairing', 'skills', 'tools',
  'mcp', 'sessions', 'insights', 'version', 'update', 'uninstall',
  'profile', 'plugins', 'honcho', 'acp',
])

function normalizeProfileName(name: string): string {
  return String(name || '').trim().toLowerCase()
}

function isForbiddenProfileName(name: string): boolean {
  const normalized = normalizeProfileName(name)
  if (!normalized || normalized === 'default') return false
  return RESERVED_PROFILE_NAMES.has(normalized) || HERMES_SUBCOMMAND_PROFILE_NAMES.has(normalized)
}

function getActiveProfileFile(): string {
  return join(detectHermesRootHome(), 'active_profile')
}

function listProfilesFromDisk(activeProfileName: string): HermesProfile[] {
  const base = detectHermesRootHome()
  const profiles: HermesProfile[] = [{
    name: 'default',
    active: activeProfileName === 'default',
    model: '—',
    alias: '',
  }]
  const profilesDir = join(base, 'profiles')
  if (!existsSync(profilesDir)) return profiles
  for (const entry of readdirSync(profilesDir, { withFileTypes: true })) {
    if (!entry.isDirectory()) continue
    const name = entry.name
    const dir = join(profilesDir, name)
    if (!existsSync(join(dir, 'config.yaml')) && !existsSync(dir)) continue
    profiles.push({
      name,
      active: name === activeProfileName,
      model: '—',
      alias: '',
    })
  }
  return profiles
}

function profileExistsForManualSwitch(name: string): boolean {
  const base = detectHermesRootHome()
  if (!name || name === 'default') return true
  return existsSync(join(base, 'profiles', name, 'config.yaml')) || existsSync(join(base, 'profiles', name))
}

async function injectBundledSkillsForProfile(name: string): Promise<void> {
  try {
    const targetDir = HermesSkillInjector.resolveTargetDirForProfile(name)
    const result = await new HermesSkillInjector(undefined, targetDir).injectMissingSkills()
    const target = result.targets[0]
    if (target && (target.injected.length > 0 || target.updated.length > 0)) {
      logger.info({
        profile: name,
        targetDir,
        injected: target.injected,
        updated: target.updated,
      }, '[profiles] synced bundled skills for profile')
    }
  } catch (err: any) {
    logger.warn(err, '[profiles] failed to sync bundled skills for profile "%s"', name)
  }
}

function deleteForbiddenProfileFromDisk(name: string): boolean {
  if (!isForbiddenProfileName(name)) return false
  const base = detectHermesRootHome()
  const profileDir = join(base, 'profiles', name)
  if (!existsSync(profileDir)) return false
  rmSync(profileDir, { recursive: true, force: true })
  try {
    if (normalizeProfileName(getActiveProfileName()) === normalizeProfileName(name)) {
      writeFileSync(getActiveProfileFile(), 'default\n', 'utf-8')
    }
  } catch {}
  logger.warn('[deleteProfile] removed reserved profile "%s" from disk after Hermes CLI rejected deletion', name)
  return true
}

function filterVisibleProfiles(profiles: HermesProfile[]): HermesProfile[] {
  return profiles.filter(profile => !isForbiddenProfileName(profile.name))
}

function requestedProfileName(ctx: any): string {
  return ctx.state?.profile?.name || ctx.get?.('x-hermes-profile') || getActiveProfileName()
}

function filterProfilesForUser(ctx: any, profiles: HermesProfile[]): HermesProfile[] {
  const user = ctx.state?.user
  if (!user || user.role === 'super_admin') return profiles
  const allowed = new Set(listUserProfiles(user.id).map(profile => profile.profile_name))
  return profiles.filter(profile => allowed.has(profile.name))
}

function canAccessProfile(ctx: any, profileName: string): boolean {
  const user = ctx.state?.user
  if (!user || user.role === 'super_admin') return true
  return listUserProfiles(user.id).some(profile => profile.profile_name === profileName)
}

function denyProfile(ctx: any, profileName: string): boolean {
  if (canAccessProfile(ctx, profileName)) return false
  ctx.status = 403
  ctx.body = { error: `Profile "${profileName}" is not available for this user` }
  return true
}

function profileMetadataRoot(): string {
  return join(getWebUiHome(), 'profile-metadata')
}

function profileMetadataDir(name: string): string {
  const segment = Buffer.from(name || 'default', 'utf-8').toString('base64url')
  return join(profileMetadataRoot(), segment)
}

function profileAvatarMetaPath(name: string): string {
  return join(profileMetadataDir(name), 'avatar.json')
}

function profileAvatarImagePath(name: string, file = 'avatar.bin'): string {
  return join(profileMetadataDir(name), file)
}

function readProfileAvatar(name: string): ProfileAvatarResponse | null {
  const metaPath = profileAvatarMetaPath(name)
  if (!existsSync(metaPath)) return null
  try {
    const meta = JSON.parse(readFileSync(metaPath, 'utf-8')) as ProfileAvatarMeta
    if (meta.type === 'generated') {
      return {
        type: 'generated',
        seed: typeof meta.seed === 'string' ? meta.seed : name,
        updatedAt: meta.updatedAt,
      }
    }
    if (meta.type === 'image' && meta.file && meta.mime) {
      const imagePath = profileAvatarImagePath(name, meta.file)
      if (!existsSync(imagePath)) return null
      const data = readFileSync(imagePath).toString('base64')
      return {
        type: 'image',
        dataUrl: `data:${meta.mime};base64,${data}`,
        updatedAt: meta.updatedAt,
      }
    }
  } catch (err) {
    logger.warn(err, '[profiles] failed to read avatar metadata for profile "%s"', name)
  }
  return null
}

function attachProfileAvatars<T extends HermesProfile>(profiles: T[]): Array<T & { avatar: ProfileAvatarResponse | null }> {
  return profiles.map(profile => ({
    ...profile,
    avatar: readProfileAvatar(profile.name),
  }))
}

function parseAvatarDataUrl(dataUrl: string): { mime: string; buffer: Buffer } {
  const match = dataUrl.match(/^data:(image\/(?:png|jpeg|webp));base64,([a-zA-Z0-9+/=]+)$/)
  if (!match) throw new Error('Avatar image must be a PNG, JPEG, or WebP data URL')
  const buffer = Buffer.from(match[2], 'base64')
  if (buffer.length > 1024 * 1024) throw new Error('Avatar image must be 1MB or smaller')
  return { mime: match[1], buffer }
}

function removeProfileMetadata(name: string): void {
  rmSync(profileMetadataDir(name), { recursive: true, force: true })
}

function renameProfileMetadata(oldName: string, newName: string): void {
  const oldDir = profileMetadataDir(oldName)
  const newDir = profileMetadataDir(newName)
  if (!existsSync(oldDir) || oldDir === newDir) return
  rmSync(newDir, { recursive: true, force: true })
  renameSync(oldDir, newDir)
}

async function useProfileWithFallback(name: string): Promise<string> {
  if (isForbiddenProfileName(name)) {
    throw new Error(`Profile name '${name}' is reserved and cannot be activated`)
  }
  try {
    return await hermesCli.useProfile(name)
  } catch (err: any) {
    if (!profileExistsForManualSwitch(name)) throw err

    const base = detectHermesRootHome()
    writeFileSync(join(base, 'active_profile'), `${name}\n`, 'utf-8')
    logger.warn(err, '[switchProfile] hermes profile use failed; wrote active_profile directly for existing profile "%s"', name)
    return `Switched to profile ${name}`
  }
}

async function readBridgeWorkers(): Promise<{ reachable: boolean; workers: Record<string, boolean>; error?: string }> {
  try {
    const result = await new AgentBridgeClient({ timeoutMs: 5000 }).ping()
    return {
      reachable: true,
      workers: ((result as any).workers || {}) as Record<string, boolean>,
    }
  } catch (err: any) {
    return {
      reachable: false,
      workers: {},
      error: err?.message || 'Bridge broker is not reachable',
    }
  }
}

function gatewayStatusLooksRunning(status?: string): boolean {
  const normalized = String(status || '').trim().toLowerCase()
  if (!normalized || normalized === '—') return false
  if (normalized.includes('not running') || normalized === 'stopped' || normalized === 'stop') return false
  return normalized.includes('running') || normalized === 'active'
}

async function buildRuntimeStatus(profile: HermesProfile | string, bridgeState?: Awaited<ReturnType<typeof readBridgeWorkers>>) {
  const name = typeof profile === 'string' ? profile : profile.name
  const bridge = bridgeState || await readBridgeWorkers()
  let gateway: { running: boolean; profile: string; error?: string }
  if (typeof profile !== 'string' && profile.gatewayStatus !== undefined) {
    const profileListRunning = gatewayStatusLooksRunning(profile.gatewayStatus)
    if (profileListRunning) {
      gateway = {
        running: true,
        profile: name,
      }
    } else {
      try {
        gateway = await getGatewayRuntimeStatusForProfile(name)
      } catch (err: any) {
        gateway = {
          running: false,
          profile: name,
          error: err?.message || 'Gateway status check failed',
        }
      }
    }
  } else {
    try {
      gateway = await getGatewayRuntimeStatusForProfile(name)
    } catch (err: any) {
      gateway = {
        running: false,
        profile: name,
        error: err?.message || 'Gateway status check failed',
      }
    }
  }

  return {
    profile: name,
    bridge: {
      running: !!bridge.workers[name],
      profile: name,
      reachable: bridge.reachable,
      error: bridge.reachable ? undefined : bridge.error,
    },
    gateway,
  }
}

export async function list(ctx: any) {
  try {
    let profiles: HermesProfile[]
    try {
      profiles = await hermesCli.listProfiles()
    } catch (err: any) {
      const { getActiveProfileName } = await import('../../services/hermes/hermes-profile')
      const activeProfileName = getActiveProfileName()
      if (!isForbiddenProfileName(activeProfileName)) throw err

      logger.warn(err, '[listProfiles] active_profile "%s" is invalid/reserved; resetting to default and listing profiles from disk', activeProfileName)
      writeFileSync(getActiveProfileFile(), 'default\n', 'utf-8')
      profiles = listProfilesFromDisk('default')
    }

    const activeProfileName = requestedProfileName(ctx)

    profiles = filterVisibleProfiles(profiles)
    profiles = filterProfilesForUser(ctx, profiles)

    // Web UI active profile is request-scoped and comes from X-Hermes-Profile.
    profiles.forEach(p => {
      p.active = (p.name === activeProfileName)
    })

    ctx.body = { profiles: attachProfileAvatars(profiles) }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function create(ctx: any) {
  const { name, clone } = ctx.request.body as { name?: string; clone?: boolean }
  if (!name) {
    ctx.status = 400
    ctx.body = { error: 'Missing profile name' }
    return
  }
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved and cannot be created` }
    return
  }
  try {
    const output = await hermesCli.createProfile(name, clone)

    // clone=true 时执行智能清理：
    //   - 删除 .env 中的独占平台凭据（Weixin / Telegram / Slack / ...）
    //   - 禁用 config.yaml 中对应的平台节点
    // 避免新 profile 与源 profile 共享同一个 bot token 导致互斥冲突。
    let strippedCredentials: string[] = []
    let disabledPlatforms: string[] = []
    let strippedConfigCredentials: string[] = []
    if (clone) {
      try {
        const cleanup = smartCloneCleanup(name)
        strippedCredentials = cleanup.strippedCredentials
        disabledPlatforms = cleanup.disabledPlatforms
        strippedConfigCredentials = cleanup.strippedConfigCredentials
        if (
          strippedCredentials.length > 0 ||
          disabledPlatforms.length > 0 ||
          strippedConfigCredentials.length > 0
        ) {
          logger.info(
            'Smart clone cleanup for "%s": stripped %d env credentials (%s), disabled %d platforms (%s), stripped %d config credentials (%s)',
            name,
            strippedCredentials.length, strippedCredentials.join(','),
            disabledPlatforms.length, disabledPlatforms.join(','),
            strippedConfigCredentials.length, strippedConfigCredentials.join(','),
          )
        }
      } catch (err: any) {
        // 清理失败不应阻断 profile 创建，仅记日志
        logger.error(err, 'Smart clone cleanup failed for "%s"', name)
      }
    }

    await injectBundledSkillsForProfile(name)

    ctx.body = {
      success: true,
      message: output.trim(),
      strippedCredentials,
      disabledPlatforms,
      strippedConfigCredentials,
    }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function get(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  try {
    const profile = await hermesCli.getProfile(name)
    ctx.body = { profile: { ...profile, avatar: readProfileAvatar(profile.name) } }
  } catch (err: any) {
    ctx.status = err.message.includes('not found') ? 404 : 500
    ctx.body = { error: err.message }
  }
}

export async function updateAvatar(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved` }
    return
  }
  const body = ctx.request.body as { type?: string; seed?: string; dataUrl?: string }
  try {
    const dir = profileMetadataDir(name)
    await mkdir(dir, { recursive: true })
    const updatedAt = Date.now()

    if (body.type === 'generated') {
      const seed = String(body.seed || name).trim() || name
      const meta: ProfileAvatarMeta = { type: 'generated', seed, updatedAt }
      rmSync(profileAvatarImagePath(name), { force: true })
      await writeFile(profileAvatarMetaPath(name), JSON.stringify(meta, null, 2) + '\n', { mode: 0o600 })
      ctx.body = { avatar: readProfileAvatar(name) }
      return
    }

    if (body.type === 'image' && typeof body.dataUrl === 'string') {
      const { mime, buffer } = parseAvatarDataUrl(body.dataUrl)
      const meta: ProfileAvatarMeta = { type: 'image', file: 'avatar.bin', mime, updatedAt }
      await writeFile(profileAvatarImagePath(name), buffer, { mode: 0o600 })
      await writeFile(profileAvatarMetaPath(name), JSON.stringify(meta, null, 2) + '\n', { mode: 0o600 })
      ctx.body = { avatar: readProfileAvatar(name) }
      return
    }

    ctx.status = 400
    ctx.body = { error: 'Invalid avatar payload' }
  } catch (err: any) {
    ctx.status = 400
    ctx.body = { error: err.message }
  }
}

export async function deleteAvatar(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  try {
    removeProfileMetadata(name)
    ctx.body = { success: true }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function runtimeStatus(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved` }
    return
  }
  try {
    const profiles = await listProfilesForStatus()
    const profile = profiles.find(item => item.name === name)
    ctx.body = await buildRuntimeStatus(profile || name)
  } catch {
    ctx.body = await buildRuntimeStatus(name)
  }
}

export async function runtimeStatuses(ctx: any) {
  try {
    const profiles = filterProfilesForUser(ctx, await listProfilesForStatus())
    const bridge = await readBridgeWorkers()
    const statuses = await Promise.all(profiles.map(profile => buildRuntimeStatus(profile, bridge)))
    ctx.body = { profiles: statuses }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

async function listProfilesForStatus(): Promise<HermesProfile[]> {
  let profiles: HermesProfile[]
  try {
    profiles = await hermesCli.listProfiles()
  } catch {
    profiles = listProfilesFromDisk(getActiveProfileName())
  }
  return filterVisibleProfiles(profiles)
}

export async function restartGatewayForProfile(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved` }
    return
  }
  try {
    const gateway = await restartGatewayRuntimeForProfile(name)
    try {
      const result = await bridgeCleanupClient().destroyProfile(name)
      logger.info('[profiles] destroyed bridge sessions after gateway restart profile=%s destroyed=%s', name, result.destroyed)
    } catch (err) {
      logger.warn(err, '[profiles] failed to destroy bridge sessions after gateway restart profile=%s', name)
    }
    ctx.body = { success: true, gateway }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function restartProfileRuntime(ctx: any) {
  const name = String(ctx.params.name || '').trim() || 'default'
  if (denyProfile(ctx, name)) return
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved` }
    return
  }
  try {
    const result = await bridgeCleanupClient().destroyProfile(name)
    logger.info('[profiles] destroyed bridge sessions after profile restart profile=%s destroyed=%s', name, result.destroyed)
    const profiles = await listProfilesForStatus()
    const profile = profiles.find(item => item.name === name)
    ctx.body = {
      success: true,
      destroyed: result.destroyed,
      status: await buildRuntimeStatus(profile || name),
    }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function remove(ctx: any) {
  const { name } = ctx.params
  if (denyProfile(ctx, name)) return
  if (name === 'default') {
    ctx.status = 400
    ctx.body = { error: 'Cannot delete the default profile' }
    return
  }
  try {
    try {
      const result = await bridgeCleanupClient().destroyProfile(name)
      logger.info('[profiles] destroyed bridge sessions for deleted profile "%s" destroyed=%s', name, result.destroyed)
    } catch (err) {
      logger.warn(err, '[profiles] failed to destroy bridge sessions for deleted profile "%s"', name)
    }
    const ok = await hermesCli.deleteProfile(name)
    if (ok) {
      removeProfileMetadata(name)
      ctx.body = { success: true }
    } else if (deleteForbiddenProfileFromDisk(name)) {
      removeProfileMetadata(name)
      ctx.body = { success: true, fallback: 'removed_reserved_profile_from_disk' }
    } else {
      ctx.status = 500
      ctx.body = { error: 'Failed to delete profile' }
    }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function rename(ctx: any) {
  if (denyProfile(ctx, ctx.params.name)) return
  const { new_name } = ctx.request.body as { new_name?: string }
  if (!new_name) {
    ctx.status = 400
    ctx.body = { error: 'Missing new_name' }
    return
  }
  try {
    const ok = await hermesCli.renameProfile(ctx.params.name, new_name)
    if (ok) {
      renameProfileMetadata(ctx.params.name, new_name)
      ctx.body = { success: true }
    } else {
      ctx.status = 500
      ctx.body = { error: 'Failed to rename profile' }
    }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function switchProfile(ctx: any) {
  const { name } = ctx.request.body as { name?: string }
  if (!name) {
    ctx.status = 400
    ctx.body = { error: 'Missing profile name' }
    return
  }
  if (isForbiddenProfileName(name)) {
    ctx.status = 400
    ctx.body = { error: `Profile name '${name}' is reserved and cannot be activated` }
    return
  }
  try {
    if (denyProfile(ctx, name)) return

    const output = await useProfileWithFallback(name)

    const actualActive = getActiveProfileName()
    if (actualActive !== name) {
      ctx.status = 500
      ctx.body = { error: `Profile switch verification failed - active profile is ${actualActive}` }
      return
    }

    try {
      const result = await bridgeCleanupClient().destroyAll()
      logger.info('[switchProfile] destroyed all bridge sessions for Hermes profile "%s" destroyed=%s', name, result.destroyed)
    } catch (err: any) {
      logger.warn(err, '[switchProfile] failed to destroy bridge sessions')
    }

    try {
      const detail = await hermesCli.getProfile(name)
      logger.debug('Profile detail.path = %s', detail.path)

      const profileConfig = join(detail.path, 'config.yaml')
      if (!existsSync(profileConfig)) {
        writeFileSync(profileConfig, '# Hermes Agent Configuration\n', 'utf-8')
        logger.info('Created config.yaml for: %s', detail.path)
      }

      const profileEnv = join(detail.path, '.env')
      if (!existsSync(profileEnv)) {
        writeFileSync(profileEnv, '# Hermes Agent Environment Configuration\n', 'utf-8')
        logger.info('Created .env for: %s', detail.path)
      }
    } catch (err: any) {
      logger.error(err, 'Ensure config failed')
    }

    await injectBundledSkillsForProfile(name)
    SessionDeleter.getInstance().switchProfile(name)
    logger.info('[switchProfile] switched session deleter to Hermes profile "%s"', name)

    ctx.body = {
      success: true,
      message: output.trim(),
      active: name,
    }
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function exportProfile(ctx: any) {
  const { name } = ctx.params
  if (denyProfile(ctx, name)) return
  const outputPath = join(tmpdir(), `hermes-profile-${name}.tar.gz`)
  try {
    await hermesCli.exportProfile(name, outputPath)
    if (!existsSync(outputPath)) {
      ctx.status = 500
      ctx.body = { error: 'Export file not found' }
      return
    }
    const filename = basename(outputPath)
    ctx.set('Content-Disposition', `attachment; filename="${filename}"`)
    ctx.set('Content-Type', 'application/gzip')
    ctx.body = createReadStream(outputPath)
    ctx.res.on('finish', () => { try { unlinkSync(outputPath) } catch { } })
  } catch (err: any) {
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}

export async function importProfile(ctx: any) {
  const contentType = ctx.get('content-type') || ''
  if (!contentType.startsWith('multipart/form-data')) {
    ctx.status = 400
    ctx.body = { error: 'Expected multipart/form-data' }
    return
  }
  const boundary = '--' + contentType.split('boundary=')[1]
  if (!boundary || boundary === '--undefined') {
    ctx.status = 400
    ctx.body = { error: 'Missing boundary' }
    return
  }
  const tmpDir = join(tmpdir(), 'hermes-import')
  await mkdir(tmpDir, { recursive: true })
  const chunks: Buffer[] = []
  for await (const chunk of ctx.req) chunks.push(chunk)
  const body = Buffer.concat(chunks).toString('latin1')
  const parts = body.split(boundary).slice(1, -1)
  let archivePath = ''
  for (const part of parts) {
    const headerEnd = part.indexOf('\r\n\r\n')
    if (headerEnd === -1) continue
    const header = part.substring(0, headerEnd)
    const data = part.substring(headerEnd + 4, part.length - 2)
    const filenameMatch = header.match(/filename="([^"]+)"/)
    if (!filenameMatch) continue
    const filename = filenameMatch[1]
    const ext = filename.includes('.') ? '.' + filename.split('.').pop() : ''
    if (!['.gz', '.tar.gz', '.zip', '.tgz'].includes(ext)) continue
    archivePath = join(tmpDir, filename)
    await writeFile(archivePath, Buffer.from(data, 'binary'))
    break
  }
  if (!archivePath) {
    ctx.status = 400
    ctx.body = { error: 'No archive file found (.gz, .zip, .tgz)' }
    return
  }
  try {
    const result = await hermesCli.importProfile(archivePath)
    try { unlinkSync(archivePath) } catch { }
    ctx.body = { success: true, message: result.trim() }
  } catch (err: any) {
    try { unlinkSync(archivePath) } catch { }
    ctx.status = 500
    ctx.body = { error: err.message }
  }
}