import {z} from 'zod'

export type TokenAmount = {tokenAmount: number, tokenSymbol: string};

export type GetPayoutTokenFeeInput = {amount: TokenAmount, fiatAndRailCode: 'usd' | 'cop' | 'cop-bre-b' | 'cop-cobre-balance' | 'ars' | 'eur' | 'mxn' | 'mxn-debit-card' | 'brl' | 'clp' | 'pen' | 'bob' | 'crc' | 'zar' | 'usd-peru' | 'usd-china' | 'usd-panama' | 'usd-hong-kong' | 'usd-el-salvador'};

export type GetPayoutTokenFeesInput = {tokenFeeRequests: Array<GetPayoutTokenFeeInput>};

export type CreateApiApiPayoutsFeesTokenToFiatArgs = {'on-behalf-of'?: string | undefined, body: GetPayoutTokenFeesInput};

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

export const simpleFiatAmount = z.object({fiatAmount: z.number(), fiatCurrencyCode: z.enum(["USD", "COP", "ARS", "EUR", "MXN", "BRL", "CLP", "PEN", "BOB", "CRC", "ZAR"])});

export const tokenAmount = z.object({tokenAmount: z.number(), tokenSymbol: z.string()});

export const tokenPayoutFeeSuccess = z.object({estimatedFiatAmount: simpleFiatAmount, exchangeFeePercentage: z.number(), exchangeRate: z.number(), feeTotal: tokenAmount, fiatAndRailCode: z.enum(["usd", "cop", "cop-bre-b", "cop-cobre-balance", "ars", "eur", "mxn", "mxn-debit-card", "brl", "clp", "pen", "bob", "crc", "zar", "usd-peru", "usd-china", "usd-panama", "usd-hong-kong", "usd-el-salvador"]), minTransactionValue: tokenAmount.optional(), tokenAmount: tokenAmount, transactionFee: tokenAmount, type: z.literal("success")});

export const payoutFeeErrorReason = z.enum(["UNSUPPORTED_PAYOUT_RAIL", "TEMPORARILY_UNAVAILABLE"]);

export const tokenPayoutFeeError = z.object({fiatAndRailCode: z.enum(["usd", "cop", "cop-bre-b", "cop-cobre-balance", "ars", "eur", "mxn", "mxn-debit-card", "brl", "clp", "pen", "bob", "crc", "zar", "usd-peru", "usd-china", "usd-panama", "usd-hong-kong", "usd-el-salvador"]), message: z.string(), reason: payoutFeeErrorReason, tokenAmount: tokenAmount, type: z.literal("error")});

export const createApiApiPayoutsFeesTokenToFiatResponse = z.array(z.union([tokenPayoutFeeSuccess, tokenPayoutFeeError]));

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 fees for token amount
 * 
 * POST /api/payouts/fees/token-to-fiat
 */
export const createApiApiPayoutsFeesTokenToFiat = async (args: CreateApiApiPayoutsFeesTokenToFiatArgs, options?: CreateApiApiPayoutsFeesTokenToFiatOptions) => {
const {baseUrl = "https://api.muralpay.com", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args['on-behalf-of'] != null) headers.set("on-behalf-of", String(args['on-behalf-of']))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/payouts/fees/token-to-fiat${query.size > 0 ? `?${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(createApiApiPayoutsFeesTokenToFiatResponse, await res.json())
};