import {z} from 'zod'

export type GetApiV1EventGatewaysGatewayIdBackendClustersBackendClusterIdOptions = {baseUrl?: string | undefined, personalAccessToken?: string | undefined, fetch?: typeof fetch | undefined};

export const backendClusterName = z.string().min(1).max(255);

export const backendClusterAuthenticationAnonymous = z.object({type: z.literal("anonymous")});

export const gatewaySecretReferenceOrLiteral = z.string().min(1);

export const gatewaySecret = z.string().min(1);

export const backendClusterAuthenticationSaslPlainSensitiveDataAware = z.object({type: z.literal("sasl_plain"), username: gatewaySecretReferenceOrLiteral, password: gatewaySecret.optional()});

export const backendClusterAuthenticationSaslScramSensitiveDataAware = z.object({type: z.literal("sasl_scram"), algorithm: z.enum(["sha256", "sha512"]), username: gatewaySecretReferenceOrLiteral, password: gatewaySecret.optional()});

export const backendClusterAuthenticationSaslAwsIam = z.object({type: z.literal("sasl_aws_iam"), sasl_aws_iam: z.discriminatedUnion("type", [z.object({type: z.literal("default_provider_chain")}), z.object({type: z.literal("assume_role"), arn: z.string().min(10).max(2048), session_name: z.string().optional()})])});

export const backendClusterAuthenticationSensitiveDataAwareScheme = z.discriminatedUnion("type", [backendClusterAuthenticationAnonymous, backendClusterAuthenticationSaslPlainSensitiveDataAware, backendClusterAuthenticationSaslScramSensitiveDataAware, backendClusterAuthenticationSaslAwsIam]);

export const bootstrapServers = z.array(z.string().min(1));

export const backendClusterTLS = z.object({enabled: z.boolean(), insecure_skip_verify: z.boolean().optional(), ca_bundle: gatewaySecretReferenceOrLiteral.optional(), tls_versions: z.array(z.enum(["tls12", "tls13"])).optional(), client_identity: z.object({certificate: gatewaySecretReferenceOrLiteral, key: gatewaySecret}).optional()});

export const backendMetadataUpdateIntervalSeconds = z.number().int().gte(1).lte(43200);

export const labels = z.record(z.string(), z.string().min(1).max(63));

export const createdAt = z.string();

export const updatedAt = z.string();

export const backendCluster = z.object({id: z.string(), name: backendClusterName, description: z.string().max(512).optional(), authentication: backendClusterAuthenticationSensitiveDataAwareScheme, insecure_allow_anonymous_virtual_cluster_auth: z.boolean().optional(), bootstrap_servers: bootstrapServers, tls: backendClusterTLS, metadata_update_interval_seconds: backendMetadataUpdateIntervalSeconds.optional(), labels: labels.optional(), created_at: createdAt, updated_at: updatedAt});

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
};

/**
 * Get a Backend Cluster
 * 
 * GET /v1/event-gateways/{gatewayId}/backend-clusters/{backendClusterId}
 * 
 * Also accepts auth: systemAccountAccessToken, konnectAccessToken, serviceAccessToken
 */
export const getApiV1EventGatewaysGatewayIdBackendClustersBackendClusterId = async (options?: GetApiV1EventGatewaysGatewayIdBackendClustersBackendClusterIdOptions) => {
const {baseUrl = "https://global.api.konghq.com", fetch: fetchFn = fetch, personalAccessToken} = options ?? {}

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

if (personalAccessToken !== undefined) headers.set('authorization', `Bearer ${personalAccessToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/event-gateways/${encodeURIComponent(String(args.gatewayId))}/backend-clusters/${encodeURIComponent(String(args.backendClusterId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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