import {z} from 'zod'

export type UpdateNetworkConfigRequest = {kms_urls?: (Array<string> | null) | undefined, gateway_urls?: (Array<string> | null) | undefined, restart?: boolean | undefined};

export type PatchApiApiV1CvmsCvmIdNetworkConfigArgs = {cvm_id: string, body: UpdateNetworkConfigRequest};

export type PatchApiApiV1CvmsCvmIdNetworkConfigOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const networkConfigPortMappingEntry = z.object({host_port: z.number().int().gte(1).lte(65535), vm_port: z.number().int().gte(1).lte(65535), protocol: z.string().optional(), host_address: z.string().optional(), source_cidrs: z.array(z.string()).optional()});

export const networkConfigResponse = z.object({kms_urls: z.array(z.string()).optional(), gateway_urls: z.array(z.string()).optional(), ports: z.array(networkConfigPortMappingEntry).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
};

/**
 * Update KMS/Gateway URLs
 * 
 * PATCH /api/v1/cvms/{cvm_id}/network-config
 */
export const patchApiApiV1CvmsCvmIdNetworkConfig = async (args: PatchApiApiV1CvmsCvmIdNetworkConfigArgs, options?: PatchApiApiV1CvmsCvmIdNetworkConfigOptions) => {
const {baseUrl = "https://cloud-api.phala.com", 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 = `${baseUrl.replace(/\/+$/, '')}/api/v1/cvms/${encodeURIComponent(String(args.cvm_id))}/network-config${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(networkConfigResponse, await res.json())
};