import {z} from 'zod'

export type GetApiStorageKvBucketArgs = {bucket: string};

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

export const metadata = z.object({bucket: z.string().optional(), duration: z.string().optional(), field: z.string().optional(), hits: z.number().int().optional(), index_duration: z.string().optional(), index_hits: z.number().int().optional(), index_name: z.string().optional(), index_partitions: z.number().int().optional(), key: z.string().optional(), limit: z.number().int().optional(), partitions: z.number().int().optional(), search: z.string().optional(), stream: z.string().optional(), subject: z.string().optional()});

export const kVBucketResponse = z.object({body: z.object({status: z.object({backing_store: z.string().optional(), bucket: z.string().optional(), description: z.string().optional(), bytes: z.number().int().optional(), history: z.number().int().optional(), ttl: z.number().int().optional(), is_compressed: z.boolean().optional()}).optional(), config: z.object({bucket: z.string().optional(), max_bytes: z.number().int().optional(), max_value_size: z.number().int().optional(), history: z.number().int().optional(), num_replicas: z.number().int().optional()}).optional(), stream_info: z.object({cluster: z.object({leader: z.string().optional(), name: z.string().optional(), replicas: z.array(z.object({active: z.number().int().optional(), current: z.boolean().optional(), name: z.string().optional()})).optional()}).optional(), config: z.object({allow_direct: z.boolean().optional(), allow_rollup_hdrs: z.boolean().optional(), compression: z.string().optional(), consumer_limits: z.object({inactive_threshold: z.number().int().optional(), max_ack_pending: z.number().int().optional()}).optional(), deny_delete: z.boolean().optional(), discard: z.enum(["old", "new"]).optional(), duplicate_window: z.number().int().optional(), index_config: z.object({engine: z.string().optional(), idBy: z.string().optional(), partitions: z.number().int().optional(), version: z.number().int().optional()}).optional(), max_age: z.number().int().optional(), max_bytes: z.number().int().optional(), max_consumers: z.number().int().optional(), max_msg_size: z.number().int().optional(), max_msgs: z.number().int().optional(), max_msgs_per_subject: z.number().int().optional(), mirror_direct: z.boolean().optional(), name: z.string().optional(), num_replicas: z.number().int().optional(), retention: z.enum(["Limits", "Interest", "WorkQueue"]).optional(), storage: z.enum(["file", "memory"]).optional(), subject_transform: z.object({dest: z.string().optional(), src: z.string().optional()}).optional(), subjects: z.array(z.string()).optional(), metadata: z.record(z.string(), z.string()).optional()}).optional(), created: z.string().optional(), state: z.object({bytes: z.number().int().optional(), consumer_count: z.number().int().optional(), deleted: z.array(z.number().int()).optional(), first_seq: z.number().int().optional(), first_ts: z.string().optional(), last_seq: z.number().int().optional(), last_ts: z.string().optional(), messages: z.number().int().optional(), num_deleted: z.number().int().optional(), num_subjects: z.number().int().optional(), subjects: z.object({}).optional()}).optional()}).optional()}).optional(), metadata: metadata.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 KV bucket details
 * 
 * GET /storage/kv/{bucket}
 * 
 * Also accepts auth: apiKeyAuth
 */
export const getApiStorageKvBucket = async (args: GetApiStorageKvBucketArgs, options?: GetApiStorageKvBucketOptions) => {
const {baseUrl = "https://api.quiva.ai", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/storage/kv/${encodeURIComponent(String(args.bucket))}${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(kVBucketResponse, await res.json())
};