import {z} from 'zod'

export type GetApiV1DefaultBanksBankIdStatsArgs = {bank_id: string, refresh?: boolean | undefined, authorization?: (string | null) | undefined};

export type GetApiV1DefaultBanksBankIdStatsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const bankStatsResponse = z.object({bank_id: z.string(), total_nodes: z.number().int(), total_links: z.number().int(), total_documents: z.number().int(), nodes_by_fact_type: z.record(z.string(), z.number().int()), links_by_link_type: z.record(z.string(), z.number().int()), links_by_fact_type: z.record(z.string(), z.number().int()), links_breakdown: z.record(z.string(), z.record(z.string(), z.number().int())), pending_operations: z.number().int(), failed_operations: z.number().int(), operations_by_status: z.record(z.string(), z.number().int()).optional(), last_consolidated_at: z.string().nullable().optional(), last_memory_write_at: z.string().nullable().optional(), pending_consolidation: z.number().int().optional(), failed_consolidation: z.number().int().optional(), total_observations: z.number().int().optional(), paused_mental_models: z.number().int().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 statistics for memory bank
 * 
 * GET /v1/default/banks/{bank_id}/stats
 */
export const getApiV1DefaultBanksBankIdStats = async (args: GetApiV1DefaultBanksBankIdStatsArgs, options: GetApiV1DefaultBanksBankIdStatsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.refresh != null) query.append("refresh", String(args.refresh))
if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/default/banks/${encodeURIComponent(String(args.bank_id))}/stats${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(bankStatsResponse, await res.json())
};