import {z} from 'zod'

export type CreateApiEntropyGenerateArgs = {body: {num_bytes: number, format?: ('hex' | 'base64' | 'base64url' | 'alphanumeric' | 'alphanumeric-mixed' | 'password' | 'numeric' | 'uuid' | 'bytes') | undefined}};

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

export const responseMeta = z.object({api_version: z.string().optional(), request_id: z.string().optional(), response_ms: z.number().int().optional(), timestamp: z.number().int().optional(), pools: z.object({}).optional(), billing: z.object({past_due: z.boolean().optional()}).optional(), quota: z.object({limit: z.number().int().optional(), used: z.number().int().optional(), remaining: z.number().int().optional(), resets_at: z.number().int().optional()}).optional()});

export const createApiEntropyGenerateResponse = z.object({data: z.object({value: z.union([z.string(), z.array(z.number().int().gte(0).lte(255))]), num_bytes: z.number().int(), format: z.enum(["hex", "base64", "base64url", "alphanumeric", "alphanumeric-mixed", "password", "numeric", "uuid", "bytes"]), reference_id: z.string()}), meta: responseMeta.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
};

/**
 * Generate random values
 * 
 * POST /entropy/generate
 * 
 * Also accepts auth: BearerAuth
 */
export const createApiEntropyGenerate = async (args: CreateApiEntropyGenerateArgs, options?: CreateApiEntropyGenerateOptions) => {
const {baseUrl = "https://api.sparkvault.com/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

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