import {z} from 'zod'

export type StringNoEdgeSpaces = string;

export type CountryCodeForRequest = string;

export type SubdivisionCodeForRequest = string;

export type ExternalAccountLabelForRequest = string;

export type Metadata = {[key: string]: unknown};

export type CreateApiCoreExternalAccountsArgs = {'X-On-Behalf-Of'?: string | undefined, 'X-Uphold-User-Ip'?: (string | string) | undefined, 'X-Uphold-User-Agent'?: StringNoEdgeSpaces | undefined, 'X-Uphold-User-Origin'?: StringNoEdgeSpaces | undefined, 'X-Uphold-User-Country'?: CountryCodeForRequest | undefined, 'X-Uphold-User-Subdivision'?: SubdivisionCodeForRequest | undefined, 'X-Uphold-User-City'?: StringNoEdgeSpaces | undefined, body: {type: 'card', label: ExternalAccountLabelForRequest, number: string, securityCode: string, expiryDate: {month: number, year: number}, metadata?: Metadata | undefined} | {type: 'bank', asset: 'USD', network: 'ach', label: ExternalAccountLabelForRequest, address: {country: string, subdivision: string, city: string, line1: string, line2?: string | undefined, postalCode: string}, routingNumber: string, accountNumber: string, accountType: 'checking' | 'savings', metadata?: Metadata | undefined} | {type: 'crypto', asset: string, network: string, label: ExternalAccountLabelForRequest, address: string, reference?: string | undefined, metadata?: Metadata | undefined}};

export type CreateApiCoreExternalAccountsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const externalAccountType = z.enum(["apm", "bank", "card", "crypto"]);

export const externalAccountStatusReason = z.enum(["card-data-invalid", "card-declined-by-bank", "card-expired", "card-permanently-declined-by-bank", "card-unauthorized", "card-unsupported", "bank-account-holder-name-mismatch", "velocity", "under-review", "unspecified-error"]);

export const externalAccountDetailsCard = z.object({type: z.enum(["credit", "debit"]).optional(), last4Digits: z.string(), expiryDate: z.object({month: z.number().int(), year: z.number().int()}), octSupport: z.enum(["unknown", "supported", "unsupported"])});

export const address = z.object({country: z.string().optional(), subdivision: z.string().optional(), city: z.string().optional(), line1: z.string().optional(), line2: z.string().optional(), postalCode: z.string().optional()});

export const externalAccountDetailsBankAch = z.object({address: address, routingNumber: z.string(), accountNumber: z.string(), accountType: z.string(), secondaryNetworks: z.object({deposit: z.array(z.string()).optional(), withdraw: z.array(z.string()).optional()}).optional()});

export const externalAccountDetailsBankFps = z.object({accountNumber: z.string(), sortCode: z.string()});

export const externalAccountDetailsBankSepa = z.object({bic: z.string(), iban: z.string()});

export const externalAccountDetailsApm = z.object({identifier: z.string()});

export const externalAccountDetailsCrypto = z.object({address: z.string(), reference: z.string().optional()});

export const externalAccountVerification = z.object({via: z.literal("request-for-information"), level: z.enum(["declared", "verified"]), status: z.enum(["pending", "completed", "failed"]), completedAt: z.string().optional()});

export const externalAccount = z.object({id: z.string(), ownerId: z.string(), type: externalAccountType, status: z.enum(["processing", "ok", "expired", "failed", "restricted", "blocked"]), statusDetails: z.object({reason: externalAccountStatusReason}).optional(), label: z.string(), asset: z.string(), network: z.string().optional(), features: z.array(z.enum(["withdraw", "deposit"])), details: z.union([externalAccountDetailsCard, externalAccountDetailsBankAch, externalAccountDetailsBankFps, externalAccountDetailsBankSepa, externalAccountDetailsApm, externalAccountDetailsCrypto]), createdAt: z.string(), updatedAt: z.string(), verifications: z.array(externalAccountVerification).optional()});

export const createApiCoreExternalAccountsResponse = z.object({externalAccount: externalAccount, errors: z.object({metadata: z.object({code: z.string(), message: z.string(), details: z.record(z.string(), z.unknown()).optional()}).optional()}).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 external account
 * 
 * POST /core/external-accounts
 */
export const createApiCoreExternalAccounts = async (args: CreateApiCoreExternalAccountsArgs, options?: CreateApiCoreExternalAccountsOptions) => {
const {baseUrl = "https://api.enterprise.sandbox.uphold.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args['X-On-Behalf-Of'] != null) headers.set("X-On-Behalf-Of", String(args['X-On-Behalf-Of']))
if (args['X-Uphold-User-Ip'] != null) headers.set("X-Uphold-User-Ip", String(args['X-Uphold-User-Ip']))
if (args['X-Uphold-User-Agent'] != null) headers.set("X-Uphold-User-Agent", String(args['X-Uphold-User-Agent']))
if (args['X-Uphold-User-Origin'] != null) headers.set("X-Uphold-User-Origin", String(args['X-Uphold-User-Origin']))
if (args['X-Uphold-User-Country'] != null) headers.set("X-Uphold-User-Country", String(args['X-Uphold-User-Country']))
if (args['X-Uphold-User-Subdivision'] != null) headers.set("X-Uphold-User-Subdivision", String(args['X-Uphold-User-Subdivision']))
if (args['X-Uphold-User-City'] != null) headers.set("X-Uphold-User-City", String(args['X-Uphold-User-City']))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/core/external-accounts${query.size > 0 ? `?${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(createApiCoreExternalAccountsResponse, await res.json())
};