// ========== COMMON - 公共模块 ==========

/**
 * 与后端Terminal枚举一一对应
 */
export const TerminalEnum = {
  UNKNOWN: 0, // 未知, 目的：在无法解析到 terminal 时，使用它
  WECHAT_MINI_PROGRAM: 10, //微信小程序
  WECHAT_WAP: 11, // 微信公众号
  H5: 20, // H5 网页
  APP: 31, // 手机 App
};

/**
 * 将 uni-app 提供的平台转换为后端所需的 terminal值
 *
 * @return 终端
 */
export const getTerminal = () => {
  const platformType = uni.getSystemInfoSync().uniPlatform;
  // 与后端terminal枚举一一对应
  switch (platformType) {
    case 'app':
      return TerminalEnum.APP;
    case 'web':
      return TerminalEnum.H5;
    case 'mp-weixin':
      return TerminalEnum.WECHAT_MINI_PROGRAM;
    default:
      return TerminalEnum.UNKNOWN;
  }
};

// ========== MALL - 营销模块 ==========

import dayjs from 'dayjs';

/**
 * 优惠类型枚举
 */
export const PromotionDiscountTypeEnum = {
  PRICE: {
    type: 1,
    name: '满减',
  },
  PERCENT: {
    type: 2,
    name: '折扣',
  },
};

/**
 * 优惠劵模板的有限期类型的枚举
 */
export const CouponTemplateValidityTypeEnum = {
  DATE: {
    type: 1,
    name: '固定日期可用',
  },
  TERM: {
    type: 2,
    name: '领取之后可用',
  },
};

/**
 * 营销的商品范围枚举
 */
export const PromotionProductScopeEnum = {
  ALL: {
    scope: 1,
    name: '通用劵',
  },
  SPU: {
    scope: 2,
    name: '商品劵',
  },
  CATEGORY: {
    scope: 3,
    name: '品类劵',
  },
};


// 时间段的状态枚举
export const TimeStatusEnum = {
  WAIT_START: '即将开始',
  STARTED: '进行中',
  END: '已结束',
};

/**
 * 微信小程序的订阅模版
 */
export const WxaSubscribeTemplate = {
  TRADE_ORDER_DELIVERY: '订单发货通知',
  PROMOTION_COMBINATION_SUCCESS: '拼团结果通知',
  PAY_WALLET_RECHARGER_SUCCESS: '充值成功通知',
};
export const PromotionActivityTypeEnum = {
  NORMAL: {
    type: 0,
    name: '普通',
  },
  SECKILL: {
    type: 1,
    name: '秒杀',
  },
  BARGAIN: {
    type: 2,
    name: '砍价',
  },
  COMBINATION: {
    type: 3,
    name: '拼团',
  },
  POINT: {
    type: 4,
    name: '积分商城',
  },
};

export const getTimeStatusEnum = (startTime, endTime) => {
  const now = dayjs();
  if (now.isBefore(startTime)) {
    return TimeStatusEnum.WAIT_START;
  } else if (now.isAfter(endTime)) {
    return TimeStatusEnum.END;
  } else {
    return TimeStatusEnum.STARTED;
  }
};