using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

/// <summary>
/// 学员组类
/// </summary>
public class GOGroup 
{
    List<OnlineStudent> onlineStudents;//组内所有成员数据 
    OnlineStudent master;//组长
    StudentContentCtrl contentCtrl;
    int groupNumber;
    UnityAction<int> onDestory;//组销毁时 人员等于0时触发
    public int GroupNumber
    {
        get
        {
            return groupNumber;
        }
    }
    /// <summary>
    /// 创建分组时 注入组员 设置分组 注册组销毁信息  自动指定队长
    /// </summary>
    /// <param name="selectStudent"></param>
    public GOGroup(List<OnlineStudent> selectStudent,int groupNumber,UnityAction<int> onDestory, StudentContentCtrl contentCtrl)
    {
        this.contentCtrl = contentCtrl;
        this.onlineStudents = selectStudent;
        this.groupNumber = groupNumber;
        for (int i = 0; i < onlineStudents.Count; i++)
        {
            contentCtrl.SetStudentGroupNumber(onlineStudents[i].ip, groupNumber);
        }
        this.onDestory = onDestory;
        master = selectStudent[0];
        contentCtrl.SetGroupMaster(master.ip, true);
    }

    //设置新队长
    public void SetMaster(OnlineStudent selectStudent)
    {
        if (selectStudent == master) return;
        else
        {
            contentCtrl.SetGroupMaster(master.ip, false); ;//移除此前的队长
            master = selectStudent;
            contentCtrl.SetGroupMaster(master.ip, true);//新的队长显示标记
        }
    }


    //移除组成员
    public void Remove(OnlineStudent selectStudent)
    {
        contentCtrl.SetStudentGroupNumber(selectStudent.ip,-1);//
        onlineStudents.Remove(selectStudent);
        if (onlineStudents.Count == 0) //组人员清空
        {
            onDestory?.Invoke(groupNumber);
        }
        else if (selectStudent == master)//移除组长时 自动分配给下一个人
        {
            contentCtrl.SetGroupMaster(onlineStudents[0].ip, true);
            master = onlineStudents[0];
        }
    }


    /// <summary>
    /// 获取组内所有成员数据
    /// </summary>
    /// <returns></returns>
    public List<OnlineStudent> GetAllStudent()
    {
        return onlineStudents;
    }

}