import {z} from 'zod'

export type CreateApiCurrencyConversionArgs = {body: {account_id: string, amount: {value: number, currency: string, currency_conversion?: {cardholder_currency: string} | undefined}, provider_data: {id: 'CIBC' | 'MERCADO_PAGO'}, payment_method?: ({token?: string | undefined, vaulted_token?: string | undefined, card?: ({card_data?: {number: string, expiration_month: number, expiration_year: number, holder_name: string} | undefined}) | undefined}) | undefined}};

export type CreateApiCurrencyConversionOptions = {baseUrl?: string | undefined, publicApiKey?: string | undefined, privateSecretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiCurrencyConversionResponse = z.object({id: z.string().optional(), amount: z.object({value: z.number().int().optional(), currency: z.string().optional(), currency_conversion: z.object({cardholder_currency: z.string().optional(), cardholder_amount: z.number().optional(), rate: z.number().optional(), provider_data: z.object({id: z.string().optional(), transaction_id: z.string().optional(), response_code: z.string().optional(), response_message: z.string().optional(), raw_response: z.object({fxRateInquiryResponse: z.object({localDate: z.number().int().optional(), localTime: z.number().int().optional(), merchantID: z.string().optional(), rateEndTime: z.number().int().optional(), ratePreferenceCode: z.string().optional(), rateStartTime: z.number().int().optional(), rateValidityPeriod: z.number().int().optional(), rates: z.array(z.object({cardholderAmount: z.number().optional(), cardholderCurrency: z.string().optional(), merchantAmount: z.number().int().optional(), merchantCurrency: z.string().optional(), rate: z.number().optional(), rateInquiryRef: z.string().optional()})).optional(), responseCode: z.string().optional(), responseMessage: z.string().optional(), sessionId: z.string().optional(), terminalID: z.string().optional(), traceNumber: z.number().int().optional()}).optional()}).optional()}).optional()}).optional()}).optional(), expired_at: 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
};

/**
 * Get Conversion Rate
 * 
 * POST /currency-conversion
 */
export const createApiCurrencyConversion = async (args: CreateApiCurrencyConversionArgs, options?: CreateApiCurrencyConversionOptions) => {
const {baseUrl = "https://api-sandbox.y.uno/v1", fetch: fetchFn = fetch, publicApiKey, privateSecretKey} = options ?? {}

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

if (publicApiKey !== undefined) headers.set("PUBLIC-API-KEY", publicApiKey)
if (privateSecretKey !== undefined) headers.set("PRIVATE-SECRET-KEY", privateSecretKey)

const url = `${baseUrl.replace(/\/+$/, '')}/currency-conversion${query.size > 0 ? `?${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(createApiCurrencyConversionResponse, await res.json())
};