import {z} from 'zod'

export type Category = 'CRYPTO_ONRAMP' | 'CRYPTO_OFFRAMP' | 'CRYPTO_TRANSFER' | 'BANK_LINKING' | 'FIAT_PAYMENTS' | 'CRYPTO_VIRTUAL_ACCOUNT_ONRAMP' | 'CRYPTO_VIRTUAL_ACCOUNT_OFFRAMP' | 'CUSTOMER_KYC' | 'CRYPTO_ONRAMP_SWAP' | 'CRYPTO_OFFRAMP_SWAP';

export type GetApiNetworkPartnerDefaultsCountryCodeCategoryArgs = {countryCode: string, category: Category, 'Meld-Account-Id'?: string | undefined};

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

export const category = z.enum(["CRYPTO_ONRAMP", "CRYPTO_OFFRAMP", "CRYPTO_TRANSFER", "BANK_LINKING", "FIAT_PAYMENTS", "CRYPTO_VIRTUAL_ACCOUNT_ONRAMP", "CRYPTO_VIRTUAL_ACCOUNT_OFFRAMP", "CUSTOMER_KYC", "CRYPTO_ONRAMP_SWAP", "CRYPTO_OFFRAMP_SWAP"]);

export const countryDefaults = z.object({countryCode: z.string().optional(), category: category.optional(), currencyCode: z.string().optional(), paymentMethods: z.array(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 country defaults
 * 
 * GET /network-partner/defaults/{countryCode}/{category}
 */
export const getApiNetworkPartnerDefaultsCountryCodeCategory = async (args: GetApiNetworkPartnerDefaultsCountryCodeCategoryArgs, options?: GetApiNetworkPartnerDefaultsCountryCodeCategoryOptions) => {
const {baseUrl = "https://api-sb.meld.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args['Meld-Account-Id'] != null) headers.set("Meld-Account-Id", String(args['Meld-Account-Id']))

const url = `${baseUrl.replace(/\/+$/, '')}/network-partner/defaults/${encodeURIComponent(String(args.countryCode))}/${encodeURIComponent(String(args.category))}${query.size > 0 ? `?${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(countryDefaults, await res.json())
};