using System;
using System.Collections.Generic;
using System.Text;

namespace ET
{
    public static class IEnumerableHelper
    {
        public static string ToCustomString<T>(this IEnumerable<T> list)
        {
            string str = null;
            foreach (T item in list)
            {
                if(item == null)
                {
                    str += "【none】";
                    continue;
                }
                str += $"【{item}】";
            }
            str ??= "无";
            return str;
        }
        public static string ToCustomString(this IEnumerable<Unit> list)
        {
            string str = null;
            foreach (Unit item in list)
            {
                if(item == null)
                {
                    str += "【none】";
                    continue;
                }
                str += $"【{UserComponent.Instance.Get(item.Id)?.NickName}({item.Id})】";
            }
            str ??= "无";
            return str;
        }
        public static string ToCustomString(this Dictionary<int,long> list)
        {
            string str = null;
            foreach (KeyValuePair<int, long> item in list)
            {
                str += $"【{item.Key},{item.Value}】";
            }
            str ??= "无";
            return str;
        }
    }
}