import {z} from 'zod'

export type GetApiPublicSelfServeV1ApplicationInstanceArgs = {application?: string | undefined};

export type GetApiPublicSelfServeV1ApplicationInstanceOptions = {baseUrl: string, httpAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const applicationInstanceKind = z.literal("ApplicationInstance");

export const mapLabelKeyString = z.record(z.string(), z.string());

export const applicationInstanceMetadata = z.object({name: z.string(), application: z.string(), labels: mapLabelKeyString.optional()});

export const resourceType = z.enum(["TOPIC", "CONSUMER_GROUP", "SUBJECT", "CONNECTOR", "TRANSACTIONAL_ID"]);

export const resourcePatternType = z.enum(["LITERAL", "PREFIXED"]);

export const ownershipMode = z.enum(["ALL", "LIMITED"]);

export const resourceWithOwnership = z.object({type: resourceType, name: z.string(), patternType: resourcePatternType, connectCluster: z.string().optional(), ownershipMode: ownershipMode.optional()});

export const catalogVisibility = z.enum(["PRIVATE", "PUBLIC"]);

export const applicationInstanceSpec = z.object({cluster: z.string(), topicPolicyRef: z.array(z.string()).optional(), policyRef: z.array(z.string()).optional(), resources: z.array(resourceWithOwnership).optional(), applicationManagedServiceAccount: z.boolean().optional(), serviceAccount: z.string().optional(), defaultCatalogVisibility: catalogVisibility.optional()});

export const applicationInstanceResourceV1 = z.object({apiVersion: z.string(), kind: applicationInstanceKind, metadata: applicationInstanceMetadata, spec: applicationInstanceSpec});

export const getApiPublicSelfServeV1ApplicationInstanceResponse = z.array(applicationInstanceResourceV1);

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
};

/**
 * List ApplicationInstance resources
 * 
 * GET /public/self-serve/v1/application-instance
 */
export const getApiPublicSelfServeV1ApplicationInstance = async (args: GetApiPublicSelfServeV1ApplicationInstanceArgs, options: GetApiPublicSelfServeV1ApplicationInstanceOptions) => {
const {baseUrl, fetch: fetchFn = fetch, httpAuth} = options ?? {}

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

if (args.application != null) query.append("application", String(args.application))
if (httpAuth !== undefined) headers.set('authorization', `Bearer ${httpAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/public/self-serve/v1/application-instance${query.size > 0 ? `?${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(getApiPublicSelfServeV1ApplicationInstanceResponse, await res.json())
};