import {z} from 'zod'

export type GetApiCurrenciesCurrencyMainCurrencyArgs = {currency: string, mainCurrency: string};

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

export const universeCurrencyExtra = z.object({});

export const currencyTag = z.enum(["deposit-custody", "deposit-trading-vault", "deposit-trading", "deposit-external", "withdraw-custody", "withdraw-trading-vault", "withdraw-trading", "withdraw-external", "show-custody", "show-trading-vault", "show-trading", "show-external", "show-fees-vault", "show-clearloop", "defi-allowed"]);

export const currencyData = z.object({confirmations: z.string().optional(), crossChainNetworks: z.array(z.string()).optional(), currency: z.string(), decimal: z.string().optional(), extra: universeCurrencyExtra.optional(), fiat: z.boolean().optional(), mainCurrency: z.string(), name: z.string(), networkName: z.string().optional(), protocol: z.string().optional(), stableCoin: z.boolean().optional(), tags: z.array(currencyTag).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 Currency
 * 
 * GET /currencies/{currency}-{mainCurrency}
 */
export const getApiCurrenciesCurrencyMainCurrency = async (args: GetApiCurrenciesCurrencyMainCurrencyArgs, options?: GetApiCurrenciesCurrencyMainCurrencyOptions) => {
const {baseUrl = "https://api.copper.co/platform", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/currencies/${encodeURIComponent(String(args.currency))}-${encodeURIComponent(String(args.mainCurrency))}${query.size > 0 ? `?${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(currencyData, await res.json())
};