import {z} from 'zod'

export type MarketSymbol = string;

export type GetApiV1MarketsSymbolTradesArgs = {symbol: MarketSymbol};

export type GetApiV1MarketsSymbolTradesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const tradeID = z.string();

export const marketSymbol = z.string();

export const assetValue = z.string();

export const orderSideAsString = z.string();

export const boolean = z.boolean();

export const dateTime = z.string();

export const timeStampAsString = z.string();

export const obfuscatedTrade = z.object({tradeId: tradeID, symbol: marketSymbol, price: assetValue, quantity: assetValue, side: orderSideAsString, isTaker: boolean, createdAtDatetime: dateTime, createdAtTimestamp: timeStampAsString, auctionId: z.string().optional()});

export const getApiV1MarketsSymbolTradesResponse = z.array(obfuscatedTrade);

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 Latest Market Trades
 * 
 * GET /v1/markets/{symbol}/trades
 */
export const getApiV1MarketsSymbolTrades = async (args: GetApiV1MarketsSymbolTradesArgs, options?: GetApiV1MarketsSymbolTradesOptions) => {
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/${encodeURIComponent(String(args.symbol))}/trades${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(getApiV1MarketsSymbolTradesResponse, await res.json())
};