import {z} from 'zod'

export type CreateApiV3PaymentTokenArgs = {token: string, echo?: boolean | undefined, body: {merchantId: number, tenderType: string, amount: number, cardAccount: {number?: string | undefined, expiryMonth?: string | undefined, expiryYear?: string | undefined, token?: string | undefined, avsStreet?: string | undefined, avsZip?: string | undefined, cvv?: string | undefined, magstripe?: string | undefined, alias?: string | undefined, emvData?: string | undefined, emvDataKsn?: string | undefined, track1?: string | undefined, track2?: string | undefined, track1Ksn?: string | undefined, track2Ksn?: string | undefined}}};

export type CreateApiV3PaymentTokenOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV3PaymentTokenResponse = z.object({created: z.string().optional(), paymentToken: z.string().optional(), id: z.number().int().optional(), creatorName: z.string().optional(), merchantId: z.number().int().optional(), batch: z.string().optional(), batchId: z.number().int().optional(), tenderType: z.string().optional(), currency: z.string().optional(), amount: z.string().optional(), cardAccount: z.object({cardType: z.string().optional(), entryMode: z.string().optional(), last4: z.string().optional(), cardId: z.string().optional(), token: z.string().optional(), expiryMonth: z.string().optional(), expiryYear: z.string().optional(), hasContract: z.boolean().optional(), cardPresent: z.boolean().optional()}).optional(), authOnly: z.boolean().optional(), authCode: z.string().optional(), status: z.string().optional(), risk: z.object({}).optional(), requireSignature: z.boolean().optional(), customer: z.object({id: z.number().int().optional(), created: z.string().optional(), name: z.string().optional(), firstName: z.string().optional(), lastName: z.string().optional(), number: z.string().optional(), sales: z.string().optional(), loyaltyStatus: z.string().optional(), loyaltyEnrolled: z.string().optional(), customFields: z.array(z.object({})).optional(), displayColor: z.string().optional()}).optional(), settledAmount: z.string().optional(), settledCurrency: z.string().optional(), settledDate: z.string().optional(), cardPresent: z.boolean().optional(), authMessage: z.string().optional(), availableAuthAmount: z.string().optional(), reference: z.string().optional(), tax: z.string().optional(), invoice: z.string().optional(), customerCode: z.string().optional(), customerName: z.string().optional(), clientReference: z.string().optional(), type: z.string().optional(), taxExempt: z.boolean().optional(), reviewIndicator: z.number().int().optional(), source: 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
};

/**
 * Make a payment with token
 * 
 * POST /v3/payment?token=
 */
export const createApiV3PaymentToken = async (args: CreateApiV3PaymentTokenArgs, options?: CreateApiV3PaymentTokenOptions) => {
const {baseUrl = "https://sandbox.api.mxmerchant.com/checkout", 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.token != null) query.append("token", String(args.token))
if (args.echo != null) query.append("echo", String(args.echo))

const url = `${baseUrl.replace(/\/+$/, '')}/v3/payment?token=${query.size > 0 ? `?${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(createApiV3PaymentTokenResponse, await res.json())
};