import {z} from 'zod'

export type Currency = string;

export type BankAccountType = 'BBAN' | 'IBAN' | 'PLUSGIRO' | 'BANKGIRO';

export type AdditionalInfo = {ref?: string | undefined, message?: string | undefined, paymentReceiver?: string | undefined, transferId?: string | undefined, text?: string | undefined, discLinkTransactionId?: string | undefined, discLinkPurchaseDetailId?: string | undefined, paymentReference?: string | undefined, payerName?: string | undefined, fromAddress?: string | undefined, fromZip?: string | undefined, fromCity?: string | undefined, fromBankAccountNumber?: string | undefined, fromCustomerAccountNumber?: string | undefined, fromOrganizationalNumber?: string | undefined, fromBankName?: string | undefined, toBic?: string | undefined, fromBankAccountType?: BankAccountType | undefined, toBankAccountType?: BankAccountType | undefined, toBankAccountNumber?: string | undefined, fileName?: string | undefined, receivedFromCollectionAgency?: boolean | undefined, vatRate?: string | undefined, vatAmount?: string | undefined, billNumber?: string | undefined};

export type CreateTransactionResourceBody = {type: string, amount: number, currency: Currency, text?: string | undefined, additionalInfo?: AdditionalInfo | undefined, transactionDetails?: string | undefined, date?: string | undefined, postingDate?: string | undefined, transactionDate?: string | undefined};

export type CreateApiV3AccountAccountIdArgs = {accountId: unknown, auditUser: string, body: CreateTransactionResourceBody};

export type CreateApiV3AccountAccountIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const resourceResponse = z.object({description: z.string().optional(), id: 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
};

/**
 * Post transactions to given account
 * 
 * POST /v3/account/{accountId}
 */
export const createApiV3AccountAccountId = async (args: CreateApiV3AccountAccountIdArgs, options: CreateApiV3AccountAccountIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.auditUser != null) query.append("auditUser", String(args.auditUser))

const url = `${baseUrl.replace(/\/+$/, '')}/v3/account/${encodeURIComponent(String(args.accountId))}${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(resourceResponse, await res.json())
};