using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyCode.Project.Infrastructure.Constant
{
    /// <summary>
    /// 客服头像常量类
    /// </summary>
    public class ServiceConst
    {

        /// <summary>
        /// 对应的客服昵称、头像
        /// </summary>
        public static Dictionary<string, string> ServiceHeadImgUrl = new Dictionary<string, string> {
            {"小淼","http://ztmall-pic.guoko.com/service_xiaomiao.png"},
            {"小森","http://ztmall-pic.guoko.com/service_xiaoshen.png"}
        };

        /// <summary>
        /// 随机返回一个客服
        /// </summary>
        /// <returns></returns>
        public static Dictionary<string, string> GetRandomService()
        {
            if(ServiceHeadImgUrl == null || ServiceHeadImgUrl.Count <= 0)
            {
                return null;
            }
            var keys = ServiceHeadImgUrl.Select(x => x.Key).ToList();
            if(keys == null || keys.Count <= 0)
            {
                return null;
            }
            int index = (int)(keys.Count * (new Random().Next(99) * 0.01));
            return new Dictionary<string, string> {
            {keys[index],ServiceHeadImgUrl[keys[index]]}
            };
        }
    };
}