import {z} from 'zod'

export type CardId = string;

export type ApplicationSelection = 'credit' | 'debit';

export type Card = {cardId: CardId, applicationSelection?: ApplicationSelection | undefined};

export type Currency = string;

export type Money = {amount?: number | undefined, currency?: Currency | undefined};

export type RetailTemplateRequest = {card: Card, transactionData: {transactionAmount: Money, settlementAmount?: Money | undefined}};

export type CreateApiV1AuthorizationTemplatesRequestRetailOfflinePinArgs = {auditUser: string, body: RetailTemplateRequest};

export type CreateApiV1AuthorizationTemplatesRequestRetailOfflinePinOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const cardId = z.string().max(39);

export const applicationSelection = z.enum(["credit", "debit"]);

export const card = z.object({cardId: cardId, applicationSelection: applicationSelection.optional()});

export const currency = z.string();

export const money = z.object({amount: z.number().optional(), currency: currency.optional()});

export const transactionType = z.enum(["RETAIL", "CASH", "ATM", "CREDIT", "UNIQUE", "P2P_CREDIT", "P2P_DEBIT", "BALANCE_INQUIRY", "CASH_DISBURSEMENT"]);

export const cardEntryMode = z.enum(["MANUAL_ENTRY", "MAGNETIC_STRIPE_READ", "CHIP_READ", "CONTACTLESS", "ELECTRONIC_COMMERCE"]);

export const transactionData = z.object({transactionAmount: money, settlementAmount: money.optional(), transactionType: transactionType, cardEntryMode: cardEntryMode});

export const threeDsData = z.object({authenticationValue: z.string().optional(), eci: z.string().optional(), dsTransactionId: z.string().optional(), protocolVersion: z.enum(["2.1.0", "2.2.0"]).optional()});

export const merchantId = z.string().max(15);

export const subMerchantId = z.string().max(15);

export const merchantName = z.string().max(25);

export const merchantCity = z.string().max(13);

export const country = z.string();

export const merchantCategoryCode = z.string().max(4);

export const acquirerId = z.string().max(11);

export const terminalId = z.string().max(8);

export const partialApprovalCapable = z.boolean();

export const merchantData = z.object({merchantId: merchantId, subMerchantId: subMerchantId.optional(), merchantName: merchantName, merchantCity: merchantCity, merchantCountry: country, merchantCategoryCode: merchantCategoryCode, acquirerId: acquirerId, acquirerCountry: country, terminalId: terminalId, partialApprovalCapable: partialApprovalCapable});

export const authRequest = z.object({card: card, transactionData: transactionData, threeDsData: threeDsData.optional(), merchantData: merchantData});

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 retail offline pin auth request template
 * 
 * POST /v1/authorization-templates/request/retail-offline-pin
 */
export const createApiV1AuthorizationTemplatesRequestRetailOfflinePin = async (args: CreateApiV1AuthorizationTemplatesRequestRetailOfflinePinArgs, options: CreateApiV1AuthorizationTemplatesRequestRetailOfflinePinOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/v1/authorization-templates/request/retail-offline-pin${query.size > 0 ? `?${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(authRequest, await res.json())
};