import {z} from 'zod'

export type GetApiApiV1OrgRatesArgs = {fromSymbols?: string | undefined, toSymbols?: string | undefined, channel?: ('WIDGET' | 'BANK_ACCOUNT' | 'MOBILE_MONEY' | 'CARD' | 'CRYPTO' | 'INTERNAL' | 'ADMIN' | 'WALLET' | 'VIRTUAL_BANK_ACCOUNT' | 'POOL_ACCOUNT' | 'ACH_BANK_ACCOUNT' | 'INTERAC' | 'UPI' | 'GLOBAL' | 'VIRTUAL_CARD' | 'RFP' | 'SWIFT' | 'EFT' | 'WE_CHAT' | 'ALIPAY' | 'PAYBILL_TILL' | 'PAYMENT_LINQ') | undefined};

export type GetApiApiV1OrgRatesOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiApiV1OrgRatesResponse = z.object({data: z.object({rates: z.record(z.string(), z.record(z.string(), z.string())).optional(), updatedAt: z.number().int().optional()}).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 exchange rates
 * 
 * GET /api/v1/org/rates
 */
export const getApiApiV1OrgRates = async (args: GetApiApiV1OrgRatesArgs, options?: GetApiApiV1OrgRatesOptions) => {
const {baseUrl = "https://sandbox.api.afriex.com", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args.fromSymbols != null) query.append("fromSymbols", String(args.fromSymbols))
if (args.toSymbols != null) query.append("toSymbols", String(args.toSymbols))
if (args.channel != null) query.append("channel", String(args.channel))
if (ApiKey !== undefined) headers.set("x-api-key", ApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/org/rates${query.size > 0 ? `?${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(getApiApiV1OrgRatesResponse, await res.json())
};