import {z} from 'zod'

export type SetupSessionRepointRequest = {ingress_target: string, license_key: string};

export type CreateApiOnpremV1SetupSessionsSetupIdDnsArgs = {setup_id: string, body: SetupSessionRepointRequest};

export type CreateApiOnpremV1SetupSessionsSetupIdDnsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const setupSessionResponse = z.object({setup_id: z.string(), fqdn: z.string(), url: z.string(), ingress_target: z.string().nullable().optional(), dns_status: z.enum(["created", "pending", "ready", "failed"]), license_key: z.string().nullable().optional(), license_id: z.union([z.string(), z.string()]).nullable().optional(), expires_at: z.string(), status: z.enum(["license_pending", "dns_pending", "ready", "failed"]), error: z.string().nullable().optional()});

export const responseMeta = z.object({requestId: z.string().optional(), timestamp: z.string().optional(), durationMs: z.number().int().nullable().optional()});

export const successResponseSetupSessionResponse = z.object({success: z.literal(true), data: setupSessionResponse, meta: responseMeta.optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Re-point a setup session's brokered DNS at a new ingress target
 * 
 * POST /onprem/v1/setup-sessions/{setup_id}/dns
 */
export const createApiOnpremV1SetupSessionsSetupIdDns = async (args: CreateApiOnpremV1SetupSessionsSetupIdDnsArgs, options: CreateApiOnpremV1SetupSessionsSetupIdDnsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/onprem/v1/setup-sessions/${encodeURIComponent(String(args.setup_id))}/dns${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(successResponseSetupSessionResponse, await res.json())
};