import {z} from 'zod'

export type GetApiPortfolioOrdersQueuePositionsArgs = {market_tickers?: string | undefined, event_ticker?: string | undefined, subaccount?: number | undefined};

export type GetApiPortfolioOrdersQueuePositionsOptions = {baseUrl?: string | undefined, kalshiAccessKey?: string | undefined, kalshiAccessSignature?: string | undefined, kalshiAccessTimestamp?: string | undefined, fetch?: typeof fetch | undefined};

export const fixedPointCount = z.string();

export const orderQueuePosition = z.object({order_id: z.string(), market_ticker: z.string(), queue_position_fp: fixedPointCount});

export const getOrderQueuePositionsResponse = z.object({queue_positions: z.array(orderQueuePosition)});

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 Queue Positions for Orders
 * 
 * GET /portfolio/orders/queue_positions
 */
export const getApiPortfolioOrdersQueuePositions = async (args: GetApiPortfolioOrdersQueuePositionsArgs, options?: GetApiPortfolioOrdersQueuePositionsOptions) => {
const {baseUrl = "https://external-api.kalshi.com/trade-api/v2", fetch: fetchFn = fetch, kalshiAccessKey, kalshiAccessSignature, kalshiAccessTimestamp} = options ?? {}

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

if (args.market_tickers != null) query.append("market_tickers", String(args.market_tickers))
if (args.event_ticker != null) query.append("event_ticker", String(args.event_ticker))
if (args.subaccount != null) query.append("subaccount", String(args.subaccount))
if (kalshiAccessKey !== undefined) headers.set("KALSHI-ACCESS-KEY", kalshiAccessKey)
if (kalshiAccessSignature !== undefined) headers.set("KALSHI-ACCESS-SIGNATURE", kalshiAccessSignature)
if (kalshiAccessTimestamp !== undefined) headers.set("KALSHI-ACCESS-TIMESTAMP", kalshiAccessTimestamp)

const url = `${baseUrl.replace(/\/+$/, '')}/portfolio/orders/queue_positions${query.size > 0 ? `?${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(getOrderQueuePositionsResponse, await res.json())
};