import {z} from 'zod'

export type TradingAccountId = string;

export type MarketSymbol = string;

export type MarketTypeAsString = 'SPOT' | 'PERPETUAL' | 'DATED_FUTURE' | 'OPTION';

export type OptionTypeAsString = 'CALL' | 'PUT';

export type MarketTypeOrOptionTypeSortByAsString = 'marketType' | 'optionType';

export type GetApiV1DerivativesPositionsArgs = {tradingAccountId?: TradingAccountId | undefined, symbol?: MarketSymbol | undefined, marketType?: MarketTypeAsString | undefined, optionType?: OptionTypeAsString | undefined, sort?: MarketTypeOrOptionTypeSortByAsString | undefined};

export type GetApiV1DerivativesPositionsOptions = {baseUrl?: string | undefined, jwtTokenAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const tradingAccountId = z.string();

export const marketSymbol = z.string();

export const orderSide = z.enum(["BUY", "SELL"]);

export const assetValue = z.string();

export const usdcValue = z.string();

export const dateTime = z.string();

export const timeStampAsString = z.string();

export const positionGreeks = z.object({delta: z.string().optional(), gamma: z.string().optional(), theta: z.string().optional(), vega: z.string().optional()});

export const derivativesPositionResponse = z.object({tradingAccountId: tradingAccountId.optional(), symbol: marketSymbol.optional(), side: orderSide.optional(), quantity: assetValue.optional(), notional: usdcValue.optional(), entryNotional: usdcValue.optional(), mtmPnl: usdcValue.optional(), reportedMtmPnl: usdcValue.optional(), reportedFundingPnl: usdcValue.optional(), realizedPnl: usdcValue.optional(), settlementAssetSymbol: z.string().optional(), createdAtDatetime: dateTime.optional(), createdAtTimestamp: timeStampAsString.optional(), updatedAtDatetime: dateTime.optional(), updatedAtTimestamp: timeStampAsString.optional(), greeks: positionGreeks.optional()});

export const getApiV1DerivativesPositionsResponse = z.array(derivativesPositionResponse);

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 Derivatives Positions
 * 
 * GET /v1/derivatives-positions
 */
export const getApiV1DerivativesPositions = async (args: GetApiV1DerivativesPositionsArgs, options?: GetApiV1DerivativesPositionsOptions) => {
const {baseUrl = "https://api.exchange.bullish.com/trading-api", fetch: fetchFn = fetch, jwtTokenAuth} = options ?? {}

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

if (args.tradingAccountId != null) query.append("tradingAccountId", String(args.tradingAccountId))
if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.marketType != null) query.append("marketType", String(args.marketType))
if (args.optionType != null) query.append("optionType", String(args.optionType))
if (args.sort != null) query.append("sort", String(args.sort))
if (jwtTokenAuth !== undefined) headers.set('authorization', `Bearer ${jwtTokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/derivatives-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(getApiV1DerivativesPositionsResponse, await res.json())
};