/**
 * 下单服务的service
 */

import { BehaviorSubject } from "rxjs";
import { MarginTypeEnum, TradeUnitEnum } from "@shared/types";
import { has } from "ramda";
import { toDefaultNumber } from "@utils/FormatNumber";
export class PlaceOrderService {
  static _instance: PlaceOrderService;
  constructor() {
    if (PlaceOrderService._instance) {
      return PlaceOrderService._instance;
    }
  }
  static get instance(): PlaceOrderService {
    if (PlaceOrderService._instance) {
      return PlaceOrderService._instance;
    }
    PlaceOrderService._instance = new PlaceOrderService();
    return PlaceOrderService._instance;
  }

  //  二次确认偏好设置
  preference$ = new BehaviorSubject(false);
  // 下单设置
  tradeUnit$ = new BehaviorSubject<TradeUnitEnum>(TradeUnitEnum.Quantity);
  // 保证金模式
  marginType$ = new BehaviorSubject<MarginTypeEnum>(MarginTypeEnum.Cross);
  // 杠杆
  leverage$ = new BehaviorSubject<number>(1);

  updatePreference(val: boolean) {
    this.preference$.next(val);
  }
  updateTradeUnit(val: TradeUnitEnum) {
    // todo提交更新api配置tradeUnit
    this.tradeUnit$.next(val);
  }
  updateLeverage(lev: any) {
    const newLeverage = Math.floor(toDefaultNumber(lev));
    this.leverage$.next(newLeverage);
  }
}