import {z} from 'zod'

export type TradingAccountId = string;

export type UnderlyingAssetSymbol = string;

export type SetMMPCommandV1 = {commandType: 'V1SetMMP', tradingAccountId: TradingAccountId, underlyingAssetSymbol: UnderlyingAssetSymbol, windowTimeInSeconds: string, frozenTimeInSeconds: string, quantityLimit?: string | undefined, deltaLimit?: string | undefined};

export type ResetMMPCommandV1 = {commandType: 'V1ResetMMP', tradingAccountId: TradingAccountId, underlyingAssetSymbol: UnderlyingAssetSymbol};

export type CreateApiV2MmpConfigurationArgs = {'BX-SIGNATURE': string, 'BX-TIMESTAMP': string, 'BX-NONCE': string, body: SetMMPCommandV1 | ResetMMPCommandV1};

export type CreateApiV2MmpConfigurationOptions = {baseUrl?: string | undefined, jwtTokenAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const requestID = z.string();

export const setMMPCommandResponse = z.object({message: z.string(), requestId: requestID});

export const resetMMPCommandResponse = z.object({message: z.string(), requestId: requestID});

export const createApiV2MmpConfigurationResponse = z.union([setMMPCommandResponse, resetMMPCommandResponse]);

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
};

/**
 * Setup Market Maker Protection (MMP)
 * 
 * POST /v2/mmp-configuration
 */
export const createApiV2MmpConfiguration = async (args: CreateApiV2MmpConfigurationArgs, options?: CreateApiV2MmpConfigurationOptions) => {
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['BX-SIGNATURE'] != null) headers.set("BX-SIGNATURE", String(args['BX-SIGNATURE']))
if (args['BX-TIMESTAMP'] != null) headers.set("BX-TIMESTAMP", String(args['BX-TIMESTAMP']))
if (args['BX-NONCE'] != null) headers.set("BX-NONCE", String(args['BX-NONCE']))
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: "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(createApiV2MmpConfigurationResponse, await res.json())
};