import {z} from 'zod'

export type MarginMode = 'Cross' | 'Isolated';

export type OrderLinkId = string;

export type OrderType = 'Limit' | 'Market';

export type Side = 'Sell' | 'Buy';

export type SlippageTolerance = {tick_size: number} | {percent: number};

export type SmpType = 'CancelMaker' | 'CancelTaker' | 'CancelBoth';

export type Symbol = string;

export type TimeInForce = 'GTC' | 'IOC' | 'FOK' | {GTD: number} | 'Day';

export type TpSlMode = 'Full' | 'Partial';

export type TriggerBy = 'LastPrice' | 'IndexPrice' | 'MarkPrice';

export type TpSlSpec = {market: {trigger_by: TriggerBy, trigger_price: string}} | {limit: {limit_price: string, trigger_by: TriggerBy, trigger_price: string}};

export type TpSl = {mode: TpSlMode, stop_loss?: (TpSlSpec | null) | undefined, take_profit?: (TpSlSpec | null) | undefined};

export type TriggerDirection = 'Up' | 'Down';

export type ConditionalOrder = {trigger_by: TriggerBy, trigger_direction: TriggerDirection, trigger_price: string};

export type PlaceOrderRequest = {close_on_trigger?: boolean | undefined, expire_time?: (string | null) | undefined, margin_mode: MarginMode, order_link_id?: (OrderLinkId | null) | undefined, order_type: OrderType, post_only?: boolean | undefined, price: string, qty: string, reduce_only?: boolean | undefined, side: Side, slippage_tolerance?: (SlippageTolerance | null) | undefined, smp_group?: (number | null) | undefined, smp_type?: (SmpType | null) | undefined, sub_account_address: string, symbol: Symbol, time_in_force: TimeInForce, tpsl?: (TpSl | null) | undefined, trigger?: (ConditionalOrder | null) | undefined};

export type CreateApiApiV1OrderPlaceArgs = {body: PlaceOrderRequest};

export type CreateApiApiV1OrderPlaceOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const orderId = z.string();

export const orderLinkId = z.string();

export const placeOrderResponse = z.object({order_id: orderId, order_link_id: orderLinkId.nullable().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
};

/**
 * Place Order
 * 
 * POST /api/v1/order/place
 */
export const createApiApiV1OrderPlace = async (args: CreateApiApiV1OrderPlaceArgs, options?: CreateApiApiV1OrderPlaceOptions) => {
const {baseUrl = "https://api.ekiden.fi", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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