import {z} from 'zod'

export type Boolean = boolean;

export type TradingAccountId = string;

export type SimulationPosition = {symbol: string, quantity: string};

export type MarketSymbol = string;

export type OrderTimeInForceAsString = string;

export type SimulationOrder = {symbol: MarketSymbol, quantity: string, limitPrice?: string | undefined, timeInForce?: OrderTimeInForceAsString | undefined};

export type ReferencePrice = {symbol?: string | undefined, price?: string | undefined};

export type PriceVolOffsetParams = {cryptoPriceMultipliers?: {[key: string]: number} | undefined, globalCryptoPriceMultiplier?: number | undefined, volOffset?: number | undefined};

export type PortfolioSimulationRequest = {tradingAccountId: TradingAccountId, positions?: Array<SimulationPosition> | undefined, orders?: Array<SimulationOrder> | undefined, referencePrices?: Array<ReferencePrice> | undefined, priceVolOffsetParams?: PriceVolOffsetParams | undefined};

export type CreateApiV1SimulatePortfolioMarginArgs = {includeExisting?: Boolean | undefined, body: PortfolioSimulationRequest};

export type CreateApiV1SimulatePortfolioMarginOptions = {baseUrl?: string | undefined, jwtTokenAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const portfolioSimulationResponse = z.object({collateralUSD: z.string().optional(), borrowedUSD: z.string().optional(), initialMarginUSD: z.string().optional(), warningMarginUSD: z.string().optional(), liquidationMarginUSD: z.string().optional(), fullLiquidationMarginUSD: z.string().optional(), defaultedMarginUSD: z.string().optional(), liquidityAddonUSD: z.string().optional(), marketRiskUSD: 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
};

/**
 * Simulate Portfolio Margin
 * 
 * POST /v1/simulate-portfolio-margin
 */
export const createApiV1SimulatePortfolioMargin = async (args: CreateApiV1SimulatePortfolioMarginArgs, options?: CreateApiV1SimulatePortfolioMarginOptions) => {
const {baseUrl = "https://api.exchange.bullish.com/trading-api", fetch: fetchFn = fetch, jwtTokenAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/simulate-portfolio-margin${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(portfolioSimulationResponse, await res.json())
};