import {z} from 'zod'

export type StorageType = 'file' | 'memory';

export type StreamSource = {name: string, opt_start_seq?: number | undefined, opt_start_time?: string | undefined, filter_subject?: string | undefined, domain?: string | undefined};

export type CreateStreamRequest = {name: string, description?: string | undefined, subjects?: Array<string> | undefined, max_consumers?: number | undefined, max_msgs?: number | undefined, max_bytes?: number | undefined, discard?: (0 | 1) | undefined, max_msgs_per_subject?: number | undefined, max_msg_size?: number | undefined, storage?: StorageType | undefined, num_replicas?: number | undefined, mirror?: StreamSource | undefined, sources?: Array<StreamSource> | undefined, sealed?: boolean | undefined, deny_delete?: boolean | undefined, deny_purge?: boolean | undefined};

export type CreateApiStorageStreamsArgs = {body: CreateStreamRequest};

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

export const successMessage = z.object({message: z.string().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
};

/**
 * Create a new stream
 * 
 * POST /storage/streams
 * 
 * Also accepts auth: apiKeyAuth
 */
export const createApiStorageStreams = async (args: CreateApiStorageStreamsArgs, options?: CreateApiStorageStreamsOptions) => {
const {baseUrl = "https://api.quiva.ai", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/storage/streams${query.size > 0 ? `?${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(successMessage, await res.json())
};