import {z} from 'zod'

export type DbaasServiceName = string;

export type GetApiDbaasKafkaNameAclConfigArgs = {name: DbaasServiceName};

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

export const dbaasKafkaAclId = z.string().min(1).max(40);

export const dbaasKafkaTopicAclEntry = z.object({id: dbaasKafkaAclId.optional(), username: z.string().min(1).max(64), topic: z.string().min(1).max(249), permission: z.enum(["admin", "read", "readwrite", "write"])});

export const dbaasKafkaSchemaRegistryAclEntry = z.object({id: dbaasKafkaAclId.optional(), username: z.string().min(1).max(64), resource: z.string().min(1).max(249), permission: z.enum(["schema_registry_read", "schema_registry_write"])});

export const dbaasKafkaAcls = z.object({"topic-acl": z.array(dbaasKafkaTopicAclEntry).optional(), "schema-registry-acl": z.array(dbaasKafkaSchemaRegistryAclEntry).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
};

/**
 * Get DBaaS kafka ACL configuration
 * 
 * GET /dbaas-kafka/{name}/acl-config
 */
export const getApiDbaasKafkaNameAclConfig = async (args: GetApiDbaasKafkaNameAclConfigArgs, options?: GetApiDbaasKafkaNameAclConfigOptions) => {
const {baseUrl = "https://api-ch-gva-2.exoscale.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/dbaas-kafka/${encodeURIComponent(String(args.name))}/acl-config${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(dbaasKafkaAcls, await res.json())
};