import {z} from 'zod'

export type GetApiV3IdArgs = {id: unknown, auditUser: string};

export type GetApiV3IdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const id = z.string();

export const linkId = z.string();

export const transactionDate = z.string();

export const postingDate = z.string();

export const postingStatus = z.enum(["POSTED", "POSTED_DISPUTE", "CLOSED", "PENDING", "REJECTED"]);

export const responseCode = z.string();

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

export const acquiringInstitutionIdentificationCode = z.string();

export const currency = z.string();

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

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

export const country = z.string();

export const merchant = z.object({id: z.string().optional(), acquirerId: z.string().optional(), country: country.optional(), city: z.string().optional(), name: z.string().optional(), mcc: z.string().optional(), subMerchantId: z.string().optional()});

export const text = z.string().max(255);

export const bankAccountType = z.enum(["BBAN", "IBAN", "PLUSGIRO", "BANKGIRO"]);

export const createdAt = z.string();

export const lineItems = z.object({id: id.optional(), enfuceNduLineItemId: z.string().optional(), productCode: z.string().optional(), productDescription: z.string().optional(), discountAmount: z.number().optional(), quantity: z.number().optional(), unit: z.string().optional(), posProductSubGroup: z.string().optional(), productGroupPosToFep: z.string().optional(), totalNetAmount: z.number().optional(), perUnitGrossAmount: z.number().optional(), perUnitGrossDiscountAmount: z.number().optional(), siteCountry: z.string().optional(), transSrn: z.string().optional(), exchangeRate: z.string().optional(), vatAmount: z.number().optional(), vatRate: z.number().optional(), programId: z.string().optional()});

export const transactionResponse = z.object({id: id.optional(), linkId: linkId.optional(), transactionDate: transactionDate.optional(), postingDate: postingDate.optional(), postingStatus: postingStatus.optional(), responseCode: responseCode.optional(), responseDescription: z.string().optional(), transactionType: transactionType.optional(), transactionConditionCode: z.string().optional(), retrievalReferenceNumber: z.string().optional(), authorizationCode: z.string().optional(), acquiringInstitutionIdentificationCode: acquiringInstitutionIdentificationCode.optional(), cardAcceptorIdentificationCode: z.string().optional(), terminalId: z.string().optional(), submerchantId: z.string().optional(), settlementAmount: settlementAmount.optional(), transactionAmount: money.optional(), feeAmount: z.object({amount: z.number().optional(), currency: currency.optional()}).optional(), merchant: merchant.optional(), text: text.optional(), paymentReference: z.string().optional(), payerName: z.string().optional(), paymentReceiver: z.string().optional(), fromAddress: z.string().optional(), fromZip: z.string().optional(), fromCity: z.string().optional(), fromBankAccountNumber: z.string().optional(), toBankAccountNumber: z.string().optional(), fromCustomerAccountNumber: z.string().optional(), fromOrganizationalNumber: z.string().optional(), fromBankName: z.string().optional(), fromBankAccountType: bankAccountType.optional(), toBankAccountType: bankAccountType.optional(), toBic: z.string().optional(), discLinkTransactionId: z.string().optional(), createdAt: createdAt.optional(), fileName: z.string().optional(), processedByEnfuceStip: z.boolean().optional(), receivedFromCollectionAgency: z.boolean().optional(), acqRefNumber: z.string().optional(), authValidityInDays: z.number().int().optional(), exchangeRate: z.string().optional(), unit: z.string().optional(), siteCountry: z.string().optional(), transSrn: z.string().optional(), enfuceNduId: z.string().optional(), accountId: z.string().optional(), cardId: z.string().optional(), lineItems: z.array(lineItems).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 transaction and authorization given transactionId
 * 
 * GET /v3/{id}
 */
export const getApiV3Id = async (args: GetApiV3IdArgs, options: GetApiV3IdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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

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