import {z} from 'zod'

export type CountryId = 'DE' | 'AT' | 'CH';

export type Xs2aRiskUploadJsonAccount = {holder: string, description: string, iban: string, bic?: string | undefined, bank_name?: string | undefined, country_id: CountryId, joint_account?: boolean | undefined};

export type CurrencyId = 'EUR' | 'CHF';

export type Xs2aRiskUploadJsonBalance = {balance: number | null, limit: number, available: number, currency: CurrencyId};

export type Xs2aRiskUploadJsonTurnoversTurnover = {booking_date: string, amount: number, currency_id?: CurrencyId | undefined, purpose: Array<string>, counter_iban: string, counter_bic: string, counter_holder: string};

export type Xs2aRiskUploadJsonWrapper = {account?: Xs2aRiskUploadJsonAccount | undefined, balance?: Xs2aRiskUploadJsonBalance | undefined, turnovers?: Array<Xs2aRiskUploadJsonTurnoversTurnover> | undefined};

export type Xs2aRiskUploadJson = Array<Xs2aRiskUploadJsonWrapper>;

export type CreateApiRisksUploadWizardSessionIdArgs = {'wizard-session-id': string, format?: ('json' | 'json2' | 'camt') | undefined, body: Xs2aRiskUploadJson};

export type CreateApiRisksUploadWizardSessionIdOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const countryId = z.enum(["DE", "AT", "CH"]);

export const metadata = z.record(z.string(), z.unknown()).nullable();

export const xs2aRiskUploadJsonSuccess = z.object({id: z.string().optional(), transaction: z.string().optional(), account_holder: z.string().optional(), iban: z.string().optional(), bic: z.string().optional(), bank_name: z.string().optional(), country_id: countryId.optional(), testmode: z.number().int().optional(), created_at: z.string().optional(), metadata: metadata.optional(), merchant_id: z.string().optional(), object: 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
};

/**
 * Complete xs2a.risk by uploading account data to our systems.
 * 
 * POST /risks/upload/{wizard-session-id}
 */
export const createApiRisksUploadWizardSessionId = async (args: CreateApiRisksUploadWizardSessionIdArgs, options?: CreateApiRisksUploadWizardSessionIdOptions) => {
const {baseUrl = "https://api.xs2a.com/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.format != null) query.append("format", String(args.format))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/risks/upload/${encodeURIComponent(String(args['wizard-session-id']))}${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(xs2aRiskUploadJsonSuccess, await res.json())
};