import {z} from 'zod'

export type RatePerLedgerRequest = {source_ledger: string, destination_ledger: string};

export type RatePerAccountRequest = {source_ledger: string, destination_ledger: string, source_ledger_account: string, destination_ledger_account: string};

export type RateRequest = {expiration_offset: number, order_type: 'buy' | 'sell', rate: number, base_currency: string, counter_currency: string, ledger?: RatePerLedgerRequest | undefined, account?: RatePerAccountRequest | undefined, lower_limit?: number | undefined, upper_limit?: number | undefined, payout_method?: string | undefined, value_type?: ('MARGIN' | 'RATE') | undefined, margin_type?: 'BPS' | undefined};

export type UpdateApiConfigRatesRateIdArgs = {rate_id: string, body: RateRequest};

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

export const rateResponse = z.object({rate_id: z.string(), expiration_offset: z.number().int(), order_type: z.enum(["buy", "sell"]), rate_scale: z.number().int(), rate: z.number(), base_currency: z.string(), counter_currency: z.string(), source_currency: z.string(), destination_currency: z.string(), source_ledger: z.string(), destination_ledger: z.string(), source_ledger_account: z.string(), destination_ledger_account: z.string(), created_date: z.string(), expires_at: z.string().optional(), lower_limit: z.number(), upper_limit: z.number(), payout_method: z.string().optional(), value_type: z.enum(["MARGIN", "RATE"]), margin_type: z.literal("BPS")});

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
};

/**
 * Update rate
 * 
 * PUT /config/rates/{rate_id}
 */
export const updateApiConfigRatesRateId = async (args: UpdateApiConfigRatesRateIdArgs, options: UpdateApiConfigRatesRateIdOptions) => {
const {baseUrl, 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 (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/config/rates/${encodeURIComponent(String(args.rate_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(rateResponse, await res.json())
};