//删除职工
  void Del_Emp();

//按照职工编号判断职工是否存在,若存在返回职工在数组中位置，不存在返回-1
  int IsExist(int id);

int WorkerManager::IsExist(int id)
{
  int index = -1;
  for (int i = 0; i < this->m_EmpNum; i++)
  {
  if (this->m_EmpArray[i]->m_Id == id)
  {
    index = i;
    break;
  }
  }
  return index;
}

//删除职工
void WorkerManager::Del_Emp()
{
  if (this->m_FileIsEmpty)
  {
  cout << "文件不存在或记录为空！" << endl;
  }
  else
  {
  //按职工编号删除
  cout << "请输入想要删除的职工号：" << endl;
  int id = 0;
  cin >> id;
  int index = this->IsExist(id);
  if (index != -1)  //说明index上位置数据需要删除
  {
    for (int i = index; i < this->m_EmpNum - 1; i++)
    {
    this->m_EmpArray[i] = this->m_EmpArray[i + 1];
    }
    this->m_EmpNum--;
    this->save(); //删除后数据同步到文件中
    cout << "删除成功！" << endl;
  }
  else
  {
    cout << "删除失败，未找到该职工" << endl;
  }
  }
  system("pause");
  system("cls");
}

//修改职工
  void Mod_Emp();

//修改职工
void WorkerManager::Mod_Emp()
{
  if (this->m_FileIsEmpty)
  {
  cout << "文件不存在或记录为空！" << endl;
  }
  else
  {
  cout << "请输入修改职工的编号：" << endl;
  int id;
  cin >> id;
  int ret = this->IsExist(id);
  if (ret != -1)
  { 
    //查找到编号的职工
    delete this->m_EmpArray[ret];
    int newId = 0;
    string newName = "";
    int dSelect = 0;
    cout << "查到： " << id << "号职工，请输入新职工号： " << endl;
    cin >> newId;
    cout << "请输入新姓名： " << endl;
    cin >> newName;
    cout << "请输入岗位： " << endl;
    cout << "1、普通职工" << endl;
    cout << "2、经理" << endl;
    cout << "3、老板" << endl;
    cin >> dSelect;
    Worker * worker = NULL;
    switch (dSelect)
    {
    case1:
    worker = new Employee(newId, newName, dSelect);
    break;
    case2:
    worker = new Manager(newId, newName, dSelect);
    break;
    case 3:
    worker = new Boss(newId, newName, dSelect);
    break;
    default:
    break;
    }
    //更改数据 到数组中
    this->m_EmpArray[ret]= worker;
    cout << "修改成功！" << endl;
    //保存到文件中
    this->save();
  }
  else
  {
    cout << "修改失败，查无此人" << endl;
  }
  }
  //按任意键 清屏
  system("pause");
  system("cls");
}

//查找职工
  void Find_Emp();

//查找职工
void WorkerManager::Find_Emp()
{
  if (this->m_FileIsEmpty)
  {
  cout << "文件不存在或记录为空！" << endl;
  }
  else
  {
  cout << "请输入查找的方式：" << endl;
  cout << "1、按职工编号查找" << endl;
  cout << "2、按姓名查找" << endl;
  int select = 0;
  cin >> select;
  if (select == 1) //按职工号查找
  {
    int id;
    cout << "请输入查找的职工编号：" << endl;
    cin >> id;
    int ret = IsExist(id);
    if (ret != -1)
    {
    cout << "查找成功！该职工信息如下：" << endl;
    this->m_EmpArray[ret]->showInfo();
    }
    else
    {
    cout << "查找失败，查无此人" << endl;
    }
  }
  else if(select == 2) //按姓名查找
  {
    string name;
    cout << "请输入查找的姓名：" << endl;
    cin >> name;
    bool flag = false;  //查找到的标志
    for (int i = 0; i < m_EmpNum; i++)
    {
    if (m_EmpArray[i]->m_Name == name)
    {
      cout << "查找成功,职工编号为："
                           << m_EmpArray[i]->m_Id
                           << " 号的信息如下：" << endl;
      flag = true;
      this->m_EmpArray[i]->showInfo();
    }
    }
    if (flag == false)
    {
    //查无此人
    cout << "查找失败，查无此人" << endl;
    }
  }
  else
  {
    cout << "输入选项有误" << endl;
  }
  }
  system("pause");
  system("cls");
}

//排序职工
  void Sort_Emp();

//排序职工
void WorkerManager::Sort_Emp()
{
  if (this->m_FileIsEmpty)
  {
  cout << "文件不存在或记录为空！" << endl;
  system("pause");
  system("cls");
  }
  else
  {
  cout << "请选择排序方式： " << endl;
  cout << "1、按职工号进行升序" << endl;
  cout << "2、按职工号进行降序" << endl;
  int select = 0;
  cin >> select;
  for (int i = 0; i < m_EmpNum; i++)
  {
    int minOrMax = i;
    for (int j = i + 1; j < m_EmpNum; j++)
    {
    if (select == 1) //升序
    {
      if (m_EmpArray[minOrMax]->m_Id > m_EmpArray[j]->m_Id)
      {
      minOrMax = j;
      }
    }
    else  //降序
    {
      if (m_EmpArray[minOrMax]->m_Id < m_EmpArray[j]->m_Id)
      {
      minOrMax = j;
      }
    }
    }
    if (i != minOrMax)
    {
    Worker * temp = m_EmpArray[i];
    m_EmpArray[i] = m_EmpArray[minOrMax];
    m_EmpArray[minOrMax] = temp;
    }
  }
  cout << "排序成功,排序后结果为：" << endl;
  this->save();
  this->Show_Emp();
  }
}  

//清空文件
  void Clean_File();

//清空文件
void WorkerManager::Clean_File()
{
  cout << "确认清空？" << endl;
  cout << "1、确认" << endl;
  cout << "2、返回" << endl;
  int select = 0;
  cin >> select;
  if (select == 1)
  {
  //打开模式 ios::trunc 如果存在删除文件并重新创建
  ofstream ofs(FILENAME, ios::trunc);
  ofs.close();
  if (this->m_EmpArray != NULL)
  {
            for (int i = 0; i < this->m_EmpNum; i++)
    {
    if (this->m_EmpArray[i] != NULL)
    {
      delete this->m_EmpArray[i];
    }
    }
    this->m_EmpNum = 0;
    delete[] this->m_EmpArray;
    this->m_EmpArray = NULL;
    this->m_FileIsEmpty = true;
  }
  cout << "清空成功！" << endl;
  }
  system("pause");
  system("cls");
}