import {z} from 'zod'

export type UnderlyingAssetSymbol = string;

export type TradingAccountId = string;

export type GetApiV2MmpConfigurationArgs = {symbol?: UnderlyingAssetSymbol | undefined, tradingAccountId: TradingAccountId};

export type GetApiV2MmpConfigurationOptions = {baseUrl?: string | undefined, jwtTokenAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const tradingAccountId = z.string();

export const mmpConfiguration = z.object({underlyingAssetSymbol: z.string(), windowTimeInSeconds: z.number().int(), frozenTimeInSeconds: z.number().int(), quantityLimit: z.string(), deltaLimit: z.string(), isActive: z.boolean()});

export const getMmpConfigurationResponse = z.object({tradingAccountId: tradingAccountId, message: z.string(), mmpConfigurations: z.array(mmpConfiguration)});

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 Marker Protection (MMP) by Trading Account ID
 * 
 * GET /v2/mmp-configuration
 */
export const getApiV2MmpConfiguration = async (args: GetApiV2MmpConfigurationArgs, options?: GetApiV2MmpConfigurationOptions) => {
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.symbol != null) query.append("symbol", String(args.symbol))
if (args.tradingAccountId != null) query.append("tradingAccountId", String(args.tradingAccountId))
if (jwtTokenAuth !== undefined) headers.set('authorization', `Bearer ${jwtTokenAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/mmp-configuration${query.size > 0 ? `?${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(getMmpConfigurationResponse, await res.json())
};