import {z} from 'zod'

export type MarketSymbol = string;

export type GetApiV1MarketsSymbolTickArgs = {symbol: MarketSymbol};

export type GetApiV1MarketsSymbolTickOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const dateTime = z.string();

export const timeStampAsString = z.string();

export const assetValue = z.string();

export const feeTierId = z.string();

export const ammData = z.object({feeTierId: feeTierId, bidSpreadFee: z.string(), askSpreadFee: z.string(), currentPrice: z.string()});

export const tick = z.object({createdAtDatetime: dateTime, createdAtTimestamp: timeStampAsString, high: assetValue, low: assetValue, bestBid: assetValue, bidIVPercentage: z.string().optional(), bidVolume: assetValue, bestAsk: assetValue, askIVPercentage: z.string().optional(), askVolume: assetValue, vwap: assetValue, open: assetValue, close: assetValue, last: assetValue, change: assetValue, percentage: assetValue, average: assetValue, baseVolume: assetValue, quoteVolume: assetValue, bancorPrice: assetValue, markPrice: z.string().optional(), fundingRate: z.string().optional(), openInterest: z.string().optional(), lastTradeDatetime: dateTime, lastTradeTimestamp: timeStampAsString, lastTradeQuantity: assetValue, ammData: z.array(ammData), delta: z.string().optional(), gamma: z.string().optional(), theta: z.string().optional(), vega: 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 Market Tick
 * 
 * GET /v1/markets/{symbol}/tick
 */
export const getApiV1MarketsSymbolTick = async (args: GetApiV1MarketsSymbolTickArgs, options?: GetApiV1MarketsSymbolTickOptions) => {
const {baseUrl = "https://api.exchange.bullish.com/trading-api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/markets/${encodeURIComponent(String(args.symbol))}/tick${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(tick, await res.json())
};