import {z} from 'zod'

export type InitTradeProductEnum = 'WEB3' | 'CUSTODIAL';

export type InitTradeTradeTypeEnum = 'BUY' | 'SELL';

export type GetApiExchangeApiOrdersTradeUrlArgs = {apiKey: string, product: InitTradeProductEnum, orderId?: string | undefined, tradeType: InitTradeTradeTypeEnum, fiat: string, fiatAmount?: number | undefined, token: string, tokenAmount?: number | undefined, networkId?: string | undefined, address?: string | undefined, paymentChannel?: string | undefined, email?: string | undefined, autoselect?: boolean | undefined};

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

export const createOrderDto = z.object({tradeUrl: z.string()});

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
};

/**
 * Fetch trade url
 * 
 * GET /exchange/api/orders/trade-url
 */
export const getApiExchangeApiOrdersTradeUrl = async (args: GetApiExchangeApiOrdersTradeUrlArgs, options?: GetApiExchangeApiOrdersTradeUrlOptions) => {
const {baseUrl = "https://external.dev.onboardpay.co", fetch: fetchFn = fetch} = options ?? {}

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

if (args.apiKey != null) query.append("apiKey", String(args.apiKey))
if (args.product != null) query.append("product", String(args.product))
if (args.orderId != null) query.append("orderId", String(args.orderId))
if (args.tradeType != null) query.append("tradeType", String(args.tradeType))
if (args.fiat != null) query.append("fiat", String(args.fiat))
if (args.fiatAmount != null) query.append("fiatAmount", String(args.fiatAmount))
if (args.token != null) query.append("token", String(args.token))
if (args.tokenAmount != null) query.append("tokenAmount", String(args.tokenAmount))
if (args.networkId != null) query.append("networkId", String(args.networkId))
if (args.address != null) query.append("address", String(args.address))
if (args.paymentChannel != null) query.append("paymentChannel", String(args.paymentChannel))
if (args.email != null) query.append("email", String(args.email))
if (args.autoselect != null) query.append("autoselect", String(args.autoselect))

const url = `${baseUrl.replace(/\/+$/, '')}/exchange/api/orders/trade-url${query.size > 0 ? `?${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(createOrderDto, await res.json())
};