import {z} from 'zod'

export type GetApiKeyLinkSigningKeysArgs = {pageCursor?: string | undefined, pageSize?: number | undefined, sortBy?: 'createdAt' | undefined, order?: ('ASC' | 'DESC') | undefined, vaultAccountId?: number | undefined, agentUserId?: string | undefined, algorithm?: ('ECDSA_SECP256K1' | 'EDDSA_ED25519') | undefined, enabled?: boolean | undefined, available?: boolean | undefined, isAssigned?: (boolean | null) | undefined, keyPrefix?: string | undefined};

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

export const signingKeyDto = z.object({keyId: z.string().min(36).max(36), signingDeviceKeyId: z.string().max(256), publicKeyPem: z.string(), algorithm: z.string(), enabled: z.boolean(), vaultAccountId: z.number().nullable(), agentUserId: z.string().min(36).max(36), createdAt: z.number()});

export const getSigningKeyResponseDto = z.object({data: z.array(signingKeyDto), next: 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
};

/**
 * Get list of signing keys
 * 
 * GET /key_link/signing_keys
 */
export const getApiKeyLinkSigningKeys = async (args: GetApiKeyLinkSigningKeysArgs, options?: GetApiKeyLinkSigningKeysOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.order != null) query.append("order", String(args.order))
if (args.vaultAccountId != null) query.append("vaultAccountId", String(args.vaultAccountId))
if (args.agentUserId != null) query.append("agentUserId", String(args.agentUserId))
if (args.algorithm != null) query.append("algorithm", String(args.algorithm))
if (args.enabled != null) query.append("enabled", String(args.enabled))
if (args.available != null) query.append("available", String(args.available))
if (args.isAssigned != null) query.append("isAssigned", String(args.isAssigned))
if (args.keyPrefix != null) query.append("keyPrefix", String(args.keyPrefix))

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