#pragma once
#include<iostream>
using namespace std;
class Speaker
{
public:
  string m_Name;
  double m_Score[2];//两轮得分
};

#pragma once
#include<iostream>
#include<vector>
#include<map>
#include"Speaker.h"
#include<algorithm>
#include<deque>
#include<functional>
#include<numeric>
#include<string>
#include<fstream>
using namespace std;

//设计演讲管理类
class SpeechManager
{
public:
  SpeechManager();

  void Show_Menu();//菜单

  void ExitSystem();

  void InitSpeech();//初始化

  void CreatSpeaker();//创建选手

  void StartSpeech();//开始比赛

  void SpeechDraw();//抽签

  void SpeechContest();//比赛

  void ShowScore();//显示得分

  void SaveRecord();//保存文件

  void LoadRecord();//读取文件

  void ShowRecord();//显示往届数据

  bool FileIsEmpyt;//文件是否为空

  map<int, vector<string>>m_Record;//存放往届记录的容器
  ~SpeechManager();
  
  void ClearRecord();//清空记录

  //第一轮比赛选手
  vector<int>v1;
  //第一轮晋级选手
  vector<int>v2;
  //胜出前三名选手编号容器
  vector<int>vVictory;
  //存放编号以及对应具体选手容器
  map<int, Speaker>m_Speaker;

  //存放比赛轮数
  int m_Index;


};

#include"SpeechManager.h"


SpeechManager::SpeechManager()
{
  //初始化容器和属性
  this->InitSpeech();
  //创建选手12
  this->CreatSpeaker();
  //加载往届记录
  this->LoadRecord();

}


//菜单
void SpeechManager::Show_Menu()
{
  cout << "*********************" << endl;
  cout << "****欢迎参加演讲比赛" << endl;
  cout << "*****1.开始比赛*****" << endl;
  cout << "*****2.查看记录*****" << endl;
  cout << "*****3.清空记录*****" << endl;
  cout << "*****0.退出程序*****" << endl;
  cout << "*********************" << endl;
}

//退出
void SpeechManager::ExitSystem()
{
  cout << "欢迎下次使用" << endl;
  exit(0);
}
//初始化
void SpeechManager::InitSpeech()
{
  //容器置空
  this->v1.clear();
  this->v2.clear();
  this->vVictory.clear();
  this->m_Speaker.clear();
  //初始化比赛轮数
  this->m_Index = 1;


  //将记录的容器清空
  this->m_Record.clear();

}
//创建选手
void SpeechManager::CreatSpeaker()
{
  string NameSeed = "ABCDEFGHIJKL";
  for (unsigned int i = 0; i < NameSeed.size(); i++)
  {
    string name = "选手";
    name += NameSeed[i];
    //创建具体选手
    Speaker sp;
    sp.m_Name = name;
    for (int j = 0; j < 2; j++)
    {
      sp.m_Score[j] = 0;
    }
    //创建选手编号，并且放入到v1容器中
    this->v1.push_back(i + 10001);

    //选手编号以及对应选手放入map容器中
    this->m_Speaker.insert(make_pair(i + 10001, sp));
  }
}

//抽签
void SpeechManager::SpeechDraw()
{
  cout << "第" << this->m_Index << "轮比赛选手正在抽签" << endl;
  cout << "——————" << endl;
  if (this->m_Index == 1)
  {
    //第一轮
    random_shuffle(v1.begin(), v1.end());
    for (vector<int>::iterator it = v1.begin(); it != v1.end(); it++)
    {
      cout << *it << " ";
    }
    cout << endl;
  }
  else
  {
    //第二轮
    random_shuffle(v2.begin(), v2.end());
    for (vector<int>::iterator it = v2.begin(); it != v2.end(); it++)
    {
      cout << *it << " ";
    }
    cout << endl;
  }
}

//开始比赛
void SpeechManager::StartSpeech()
{
  //第一轮开始比赛

  //1.抽签
  this->SpeechDraw();
  //2.比赛
  this->SpeechContest();
  //3.显示晋级结果
  this->ShowScore();
  //第二轮比赛开始
  this->m_Index++;
  //抽签
  this->SpeechDraw();
  //比赛
  this->SpeechContest();
  //显示晋级结果
  this->ShowScore();
  //保存分数到文件中
  this->SaveRecord();

  //重置比赛
  //初始化属性
  this->InitSpeech();
  //创建选手
  this->CreatSpeaker();
  //获取往届记录
  this->LoadRecord();
  cout << "本届比赛已经结束！" << endl;

  system("pause");
  system("cls");



}

void SpeechManager::SpeechContest()
{
  cout << "第" << this->m_Index << "轮比赛正式开始" << endl;
  //准备临时容器存放小组成绩
  multimap<double, int, greater<double>>groupScore;

  int num = 0;//统计6个人为一组


  vector<int>v_Src;//比赛选手容器
  if (this->m_Index == 1)
  {
    v_Src = v1;
  }
  else
  {
    v_Src = v2;
  }

  //遍历所有选手进行比赛
  for (vector<int>::iterator it = v_Src.begin(); it != v_Src.end(); it++)
  {
    num++;
    //评委打分
    deque<double>d;
    for (int i = 0; i < 10; i++)
    {
      double score = (rand() % 401 + 600) / 10.f;
      //cout << score << " ";
      d.push_back(score);
    }
    //cout << endl;
    sort(d.begin(), d.end(), greater<double>());//排序
    //去除最高分和最低分
    d.pop_front();
    d.pop_back();

    double sum = accumulate(d.begin(), d.end(), 0.0f);//总分
    double avg = sum / (double)d.size();//平均分

    //将平均分放到map容器中
    this->m_Speaker[*it].m_Score[this->m_Index - 1] = avg;

    //打印平均分
    //cout << "编号" << " " << *it << "姓名" << " " << this->m_Speaker[*it].m_Name << " " << "平均分" << " " << avg << endl;

    //将打分数据 放入到临时小组中
    groupScore.insert(make_pair(avg, *it));//key是得分 value是具体选手编号
    //每6人取出前三名
    if (num % 6 == 0)
    {
      cout << "第" << num /6<< "小组比赛名次" << endl;
      for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end(); it++)
      {
        cout << "编号: " << it->second << "姓名: " << this->m_Speaker[it->second].m_Name << "成绩: " << this->m_Speaker[it->second].m_Score[this->m_Index-1] << endl;
      }
      //取走前三名
      int count = 0;
      for (multimap<double, int, greater<double>>::iterator it = groupScore.begin(); it != groupScore.end() && count < 3; it++, count++)
      {
        if (this->m_Index == 1)
        {
          v2.push_back((*it).second);
        }
        else
        {
          vVictory.push_back((*it).second);
        }
      }
      groupScore.clear();//小组容器清空
    }
  }
  cout << "第" << this->m_Index << "轮比赛完毕" << endl;
  system("pause");
}


//显示得分
void SpeechManager::ShowScore()
{
  cout << "第" << this->m_Index << "轮晋级选手如下" << endl;
  vector<int>v;
  if (this->m_Index == 1)
  {
    v = v2;
  }
  else
  {
    v = vVictory;
  }

  for (vector<int>::iterator it = v.begin(); it != v.end();it++)
  {
    cout << "选手编号: " << *it << "姓名: " << this->m_Speaker[*it].m_Name << "得分: " << this->m_Speaker[*it].m_Score[this->m_Index - 1] << endl;
  }
  system("pause");
  system("cls");
  this->Show_Menu();
}

//保存文件
void SpeechManager::SaveRecord()
{
  ofstream ofs;
  ofs.open("speech.csv", ios::out | ios::app);
  //将每个选手的数据写入到文件中
  for (vector<int>::iterator it = vVictory.begin(); it != vVictory.end(); it++)
  {
    ofs << *it << "," << this->m_Speaker[*it].m_Score[1] << ",";
  }
  ofs << endl;

  ofs.close();
  cout << "记录已经完成" << endl;

  //更改文件不为空状态
  this->FileIsEmpyt = false;
}

//读取文件
void SpeechManager::LoadRecord()
{
  ifstream ifs("speech.csv", ios::in);
  if (!ifs.is_open())
  {
    this->FileIsEmpyt = true;
    
    ifs.close();
    return;
  }

  //文件清空情况
  char ch;
  ifs >> ch;
  if (ifs.eof())
  {
    cout << "文件为空" << endl;
    this->FileIsEmpyt = true;
    ifs.close();
    return;
  }

  //文件不为空情况
  this->FileIsEmpyt = false;
  ifs.putback(ch);
  string data;
  int index = 0;
  while (ifs >> data)
  {
    vector<string>v;//存放冠军数据
    //cout << data << endl;
    int pos = -1;
    int start  = 0;
    while (1)
    {
      pos = data.find(",", start);
      if (pos == -1)
      {
        //没找到
        break;
      }
      string temp = data.substr(start, pos - start);
      //cout << temp << endl;
      v.push_back(temp);
      start = pos + 1;
    }
    this->m_Record.insert(make_pair(index, v));
    index++;
  }
  ifs.close();

  /*for (map<int, vector<string>>::iterator it = m_Record.begin(); it != m_Record.end(); it++)
  {
    cout <<"第"<<it->first << "届冠军编号：" << it->second[0] << "分数：" << it->second[1] << endl;
  }*/
}
//显示往届记录
void SpeechManager::ShowRecord()
{
  if (this->FileIsEmpyt)
  {
    cout << "文件为或者文件不存在" << endl;
  }
  for (int i = 0; i < this->m_Record.size(); i++)
  {
    cout << "第" << i + 1 << "届 "
      << "冠军编号: " << this->m_Record[i][0] << "得分: " << this->m_Record[i][1] << " "
      << "亚军编号: " << this->m_Record[i][2] << "得分: " << this->m_Record[i][3] << " "
      << "季军编号: " << this->m_Record[i][4] << "得分: " << this->m_Record[i][5] << endl;
  }

  system("pause");
  system("cls");
}

//清空记录
void SpeechManager::ClearRecord()
{
  cout << "是否确定清空文件?" << endl;
  cout << "1.是、2.否" << endl;

  int select = 0;
  cin >> select;
  if (select == 1)
  {
    ofstream ofs("speech.csv",ios::trunc);
    ofs.close();

    //初始化容器和属性
    this->InitSpeech();
    //创建选手12
    this->CreatSpeaker();
    //加载往届记录
    this->LoadRecord();

    cout << "清空成功!" << endl;
  }
  system("pause");
  system("cls");
}

SpeechManager::~SpeechManager()
{

}

#include<iostream>
#include<string>
#include<ctime>
#include"SpeechManager.h"
using namespace std;
int main(void)
{

  //随机数种子
  srand((unsigned int)time(NULL));

  //创建管理类
  SpeechManager sm;

  /*for (map<int, Speaker>::iterator it = sm.m_Speaker.begin(); it != sm.m_Speaker.end(); it++)
  {
    cout << it->first << " " << it->second.m_Name<<" "<<it->second.m_Score[0]<<endl;
  }*/

  int choice = 0;//用于存储用户输入
  
  while (1)
  {
    sm.Show_Menu();
    cin >> choice;
    switch (choice)
    {
    case 1://开始比赛
      sm.StartSpeech();
      break;
    case 2://查看往届比赛
      sm.ShowRecord();
      break;
    case 3://清空
      sm.ClearRecord();
      break;
    case 0://退出
      sm.ExitSystem();
      break;


    default:
      system("cls");
      break;
    }
  }

  system("pause");
  return 0;
}