MikrotikManager/components/certificates/certificate-acme-settings.tsx

"use client"

import { useCallback, useEffect, useRef, useState } from "react"
import { putAcmeCloudflareSettingsSchema, type AcmeCloudflareSettingsDto } from "@mmapp/contracts/certificates"
import { getAcmeSettings, putAcmeSettings, testAcmeSettings } from "@/shared/api/certificates"
import { OpsPanel } from "@/components/ops-panel"
import { Button } from "@/components/ui/button"
import { Input } from "@/components/ui/input"
import { toast } from "sonner"

/** Reuses Settings 16 composition: https://reui.io/preview/base/settings-16?ref=mcp */
export function CertificateAcmeSettings({ backendUrl, liveReady, canRead, canWrite }: { backendUrl: string; liveReady: boolean; canRead: boolean; canWrite: boolean }) {
  const [confirmed, setConfirmed] = useState<AcmeCloudflareSettingsDto | null>(null)
  const [directory, setDirectory] = useState("")
  const [zone, setZone] = useState("")
  const [token, setToken] = useState("")
  const [loading, setLoading] = useState(liveReady && canRead)
  const [busy, setBusy] = useState(false)
  const [error, setError] = useState<string | null>(null)
  const [testResult, setTestResult] = useState<string | null>(null)
  const dirty = useRef(false)
  const lock = useRef(false)
  const alive = useRef(true)
  const controller = useRef<AbortController | null>(null)

  const load = useCallback(async () => {
    if (!liveReady || !canRead || lock.current || !alive.current) return
    controller.current?.abort()
    const abort = new AbortController()
    controller.current = abort
    setLoading(true)
    try {
      const saved = await getAcmeSettings(backendUrl, { signal: abort.signal })
      if (!alive.current || abort.signal.aborted) return
      setConfirmed(saved)
      if (!dirty.current) { setDirectory(saved.directoryUrl); setZone(saved.defaultZoneId ?? "") }
      setError(null)
    } catch (reason) {
      if (alive.current && !abort.signal.aborted) setError(reason instanceof Error ? reason.message : "Не удалось прочитать ACME настройки")
    } finally {
      if (alive.current && !abort.signal.aborted) setLoading(false)
    }
  }, [backendUrl, liveReady, canRead])

  useEffect(() => {
    alive.current = true
    const cancel = () => { alive.current = false; controller.current?.abort() }
    return cancel
  }, [])
  useEffect(() => { queueMicrotask(() => { if (alive.current) void load() }) }, [load])

  async function operate(action: "save" | "test") {
    if (!liveReady || !canRead || !canWrite || !confirmed || loading || lock.current || !alive.current) return
    const payload = { directoryUrl: directory.trim(), defaultZoneId: zone.trim() || null, cloudflareApiToken: token.trim() || undefined }
    if (action === "save" && !putAcmeCloudflareSettingsSchema.safeParse(payload).success) { setError("Укажите корректный URL ACME directory."); return }
    if (action === "test" && !token.trim() && !confirmed.tokenConfigured) { setError("Введите токен для проверки. Сохранённого токена нет."); return }
    lock.current = true
    setBusy(true)
    setTestResult(null)
    const abort = new AbortController()
    controller.current = abort
    try {
      if (action === "save") {
        const saved = await putAcmeSettings(backendUrl, payload, { signal: abort.signal })
        if (!alive.current || abort.signal.aborted) return
        setConfirmed(saved)
        if (payload.cloudflareApiToken && !saved.tokenConfigured) throw new Error("Сохранение токена не подтверждено")
        setDirectory(saved.directoryUrl); setZone(saved.defaultZoneId ?? ""); setToken("")
        dirty.current = false
        setError(null)
        toast.success("Настройки ACME сохранены")
      } else {
        const result = await testAcmeSettings(backendUrl, { cloudflareApiToken: token.trim() || undefined }, { signal: abort.signal })
        if (!alive.current || abort.signal.aborted) return
        if (!result.ok) throw new Error(result.message ?? "Проверка Cloudflare не прошла")
        setError(null)
        setTestResult(result.message ?? "Cloudflare API доступен")
      }
    } catch (reason) {
      if (alive.current && !abort.signal.aborted) setError((reason instanceof Error ? reason.message : "Операция не выполнена") + (action === "save" ? ". Результат сохранения не подтверждён; черновик сохранён в форме." : ". Проверка не сохраняет настройки."))
    } finally {
      lock.current = false
      if (alive.current && !abort.signal.aborted) setBusy(false)
    }
  }

  const disabled = !liveReady || !canRead || !canWrite || !confirmed || loading || busy
  function edit(set: (value: string) => void, value: string) { dirty.current = true; setTestResult(null); set(value) }
  return (
    <OpsPanel title="ACME · Cloudflare DNS-01" description="Публичные Let's Encrypt выпускаются на backend и импортируются на выбранный RouterOS 7.22+." contentClassName="px-5 py-4 flex flex-col gap-3">
      {error && <p role="alert" aria-label="Настройки ACME">{error}</p>}
      {loading && <p role="status">Загрузка настроек ACME…</p>}
      {!confirmed && <p role="status">Настройки ACME пока неизвестны. Сохранение и проверка недоступны до успешного чтения.</p>}
      {!liveReady && <p role="status">Нет подключения к API.</p>}
      {!canRead && <p role="status">Нет права mm:certificates:read.</p>}
      {!canWrite && <p role="status">Настройки ACME доступны только для чтения.</p>}
      <p className="text-xs text-muted-foreground">{confirmed ? confirmed.tokenConfigured ? "Токен сохранён на backend." : "Сохранённого токена нет." : "Состояние токена неизвестно."}</p>
      {testResult && <p role="status">{testResult}. Настройки не изменены.</p>}
      {liveReady && canRead && <Button variant="outline" size="sm" disabled={busy || loading} onClick={() => void load()}>Перечитать настройки ACME</Button>}
      <form className="grid gap-3 md:grid-cols-2" autoComplete="off" onSubmit={event => event.preventDefault()}>
        <div className="flex flex-col gap-1.5">
          <label htmlFor="certificate-acme-directory" className="text-sm font-medium">ACME directory URL</label>
          <Input id="certificate-acme-directory" name="acme-directory-url" autoComplete="off" disabled={disabled} value={directory} onChange={event => edit(setDirectory, event.target.value)} />
        </div>
        <div className="flex flex-col gap-1.5">
          <label htmlFor="certificate-acme-zone" className="text-sm font-medium">Cloudflare zone id (опционально)</label>
          <Input id="certificate-acme-zone" name="cloudflare-zone-id" autoComplete="off" disabled={disabled} value={zone} onChange={event => edit(setZone, event.target.value)} placeholder="Авто по домену" />
        </div>
        <div className="flex flex-col gap-1.5 md:col-span-2">
          <label htmlFor="certificate-acme-token" className="text-sm font-medium">Cloudflare API token</label>
          <Input id="certificate-acme-token" name="cloudflare-api-token" type="password" autoComplete="new-password" disabled={disabled} value={token} onChange={event => edit(setToken, event.target.value)} placeholder={confirmed?.tokenConfigured ? "Введите новый для замены; пустое поле сохранит прежний" : "API token с правом DNS"} />
          <p className="text-xs text-muted-foreground">Проверка использует введённый токен или сохранённый на backend. Сохранение выполняется отдельно.</p>
        </div>
      </form>
      {canWrite && <div className="flex flex-wrap gap-2">
        <Button variant="outline" size="sm" disabled={disabled} onClick={() => void operate("test")}>Проверить Cloudflare</Button>
        <Button size="sm" disabled={disabled} onClick={() => void operate("save")}>Сохранить настройки</Button>
      </div>}
    </OpsPanel>
  )
}