import {z} from 'zod'

export type EngineType = 0 | 1;

export type GroupContingencyType = 0 | 1;

export type OrderSide = 0 | 1;

export type StopType = 0 | 1;

export type SubmitOrderMarketDtoData = {clientOrderId?: string | undefined, close?: boolean | undefined, engineType: EngineType, expiresAt?: number | undefined, groupContingencyType?: GroupContingencyType | undefined, groupId?: string | undefined, nonce: unknown, onchainId: number, quantity: unknown, reduceOnly?: boolean | undefined, sender: unknown, side: OrderSide, signedAt: number, stopPrice?: unknown | undefined, stopType?: StopType | undefined, subaccount: unknown, type: 'MARKET'};

export type OrderTimeInForce = 'GTD' | 'IOC' | 'FOK';

export type SubmitOrderLimitDtoData = {clientOrderId?: string | undefined, close?: boolean | undefined, engineType: EngineType, expiresAt?: number | undefined, groupContingencyType?: GroupContingencyType | undefined, groupId?: string | undefined, nonce: unknown, onchainId: number, postOnly: boolean, price: unknown, quantity: unknown, reduceOnly?: boolean | undefined, sender: unknown, side: OrderSide, signedAt: number, stopPrice?: unknown | undefined, stopType?: StopType | undefined, subaccount: unknown, timeInForce: OrderTimeInForce, type: 'LIMIT'};

export type SubmitOrderData = SubmitOrderMarketDtoData | SubmitOrderLimitDtoData;

export type SubmitOrderDto = {data: SubmitOrderData, signature: unknown};

export type CreateApiV1OrderArgs = {body: SubmitOrderDto};

export type CreateApiV1OrderOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const submitCreatedCode = z.enum(["Ok", "AccountSuspended", "CausesImmediateLiquidation", "DuplicateSameSideOco", "ExchangeSuspended", "ImmediateMatchPostOnly", "InsufficientBalance", "LiquidationError", "MarketOrderReachedMaxSlippage", "MaxQuantityExceeded", "OcoFilled", "OpenValueCapExceeded", "OrderIncreasesPosition", "RiskLimitExceeded", "SignerRevoked", "TriggerCanceledError", "UnfilledFillOrKill", "UnfilledImmediateOrCancel", "UnfilledMarketOrder", "MakerCanceledByTaker", "CloseOrder", "Unknown"]);

export const submitOrderCreatedDto = z.object({clientOrderId: z.string().optional(), filled: z.string(), id: z.string(), result: submitCreatedCode});

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
};

/**
 * Place an order for trading
 * 
 * POST /v1/order
 */
export const createApiV1Order = async (args: CreateApiV1OrderArgs, options?: CreateApiV1OrderOptions) => {
const {baseUrl = "https://api.ethereal.trade", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/order${query.size > 0 ? `?${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(submitOrderCreatedDto, await res.json())
};