import { z } from "zod"
import {
  acmeCloudflareSettingsDtoSchema,
  certificateIssueJobSchema,
  certificateIssueRequestSchema,
  certificateRenewSettingsDtoSchema,
  certificatesListResponseSchema,
  certificatesStateSchema,
  putAcmeCloudflareSettingsSchema,
  putCertificateRenewSettingsSchema,
  testAcmeCloudflareSettingsSchema,
} from "@mmapp/contracts/certificates"
import type { CertificateIssueRequest } from "@mmapp/contracts/certificates"
import { ApiClientError, requestJson } from "@/shared/api/http-client"

const issueAckSchema = z.object({ jobId: z.string().min(1).refine(value => value.trim() === value) })
const acmeTestSchema = z.object({ ok: z.boolean(), message: z.string().optional() })

function certificateJson(baseUrl: string, path: string, options?: RequestInit) {
  const signal = AbortSignal.any([...(options?.signal ? [options.signal] : []), AbortSignal.timeout(30_000)])
  return requestJson<unknown>(baseUrl, path, { ...options, signal })
}

export async function listCertificates(baseUrl: string, options?: RequestInit) {
  return certificatesListResponseSchema.parse(await certificateJson(baseUrl, "/api/certificates", { ...options, method: "GET" }))
}

export async function refreshCertificates(baseUrl: string, options?: RequestInit) {
  return certificatesListResponseSchema.parse(await certificateJson(baseUrl, "/api/certificates/refresh", { ...options, method: "POST" }))
}

export async function createCertificateIssueJob(baseUrl: string, payload: CertificateIssueRequest, options?: RequestInit) {
  const body = certificateIssueRequestSchema.parse(payload)
  const result = issueAckSchema.parse(await certificateJson(baseUrl, "/api/certificates/issue", { ...options, method: "POST", body: JSON.stringify(body) }))
  if (body.requestId && result.jobId !== body.requestId) throw new Error("Подтверждение относится к другому запросу выпуска")
  return result
}

export async function getCertificateIssueJob(baseUrl: string, jobId: string, options?: RequestInit) {
  const result = certificateIssueJobSchema.parse(await certificateJson(baseUrl, "/api/certificates/issue/" + encodeURIComponent(jobId), { ...options, method: "GET" }))
  if (result.id !== jobId) throw new Error("Ответ относится к другой задаче выпуска")
  return result
}

export async function getAcmeSettings(baseUrl: string, options?: RequestInit) {
  return acmeCloudflareSettingsDtoSchema.parse(await certificateJson(baseUrl, "/api/certificates/acme-settings", { ...options, method: "GET" }))
}

export async function putAcmeSettings(baseUrl: string, payload: { directoryUrl?: string; defaultZoneId?: string | null; cloudflareApiToken?: string | null }, options?: RequestInit) {
  const body = putAcmeCloudflareSettingsSchema.parse(payload)
  return acmeCloudflareSettingsDtoSchema.parse(await certificateJson(baseUrl, "/api/certificates/acme-settings", { ...options, method: "PUT", body: JSON.stringify(body) }))
}

export async function testAcmeSettings(baseUrl: string, payload?: { cloudflareApiToken?: string }, options?: RequestInit) {
  const body = testAcmeCloudflareSettingsSchema.parse(payload ?? {})
  try {
    return acmeTestSchema.parse(await certificateJson(baseUrl, "/api/certificates/acme-settings/test", { ...options, method: "POST", body: JSON.stringify(body) }))
  } catch (error) {
    // Backend возвращает message для отказа Cloudflare, а не стандартное error.
    if (error instanceof ApiClientError) {
      const failure = acmeTestSchema.safeParse(error.payload)
      if (failure.success && !failure.data.ok && failure.data.message) throw new ApiClientError(failure.data.message, error.status, error.payload)
    }
    throw error
  }
}

export async function getCertificateRenewSettings(baseUrl: string, options?: RequestInit) {
  return certificateRenewSettingsDtoSchema.parse(await certificateJson(baseUrl, "/api/certificates/renew-settings", { ...options, method: "GET" }))
}

export async function putCertificateRenewSettings(baseUrl: string, payload: { enabled?: boolean; intervalSec?: number; renewBeforeDays?: number }, options?: RequestInit) {
  const body = putCertificateRenewSettingsSchema.parse(payload)
  return certificateRenewSettingsDtoSchema.parse(await certificateJson(baseUrl, "/api/certificates/renew-settings", { ...options, method: "PUT", body: JSON.stringify(body) }))
}

export async function readCertificatesState(baseUrl: string, options?: RequestInit) {
  return certificatesStateSchema.parse(await certificateJson(baseUrl, "/api/certificates/state", { ...options, method: "GET" }))
}