#include<iostream>
#include<cstring>
using namespace std;
class CHuman{
private:
	char* mName;
	int mAge;
public:
	CHuman(){
		mAge = 0;
	}
	~CHuman(){
		mAge = 0;
		//delete[] mName;           // 請問這個delete[] 是成功運作的嗎? //delete之後結果會出問題，程式會直接結束 
	}
	void SetName(const char* name){
		mName = new char[strlen(name)+1];
		strcpy(mName, name);
	}
	char* GetName(){
		return mName;
	}
	void SetAge(int age){
		mAge = age;
	}
	int GetAge(){
		return mAge;
	}
};
class CEmployee: public CHuman{
private:
	char* mId;
public:
	CEmployee(){
	}
	~CEmployee(){
	}
	void SetId(const char* id){
		mId = new char[strlen(id)+1];
		strcpy(mId, id);
	}
	char* GetId(){
		return mId;
	}
};
class CEmployees{
private:
	CEmployee* mEmployees;
	int count;
public:
	CEmployees(){
	    count = 0;
		mEmployees = new CEmployee[count+1];//請問這行可以省略嗎 如果不在建構的時候就設置空間 是不是就不能成功Add第一筆 
	}
	~CEmployees(){
		delete[] mEmployees;
	}
	void Add(const CEmployee Employee){
		CEmployee* NewEmployees;
		NewEmployees = new CEmployee[count+1];
		for(int index=0; index<count; ++index){
			NewEmployees[index] = mEmployees[count];
		}
		delete[] mEmployees;
		mEmployees = new CEmployee[count+1];
		mEmployees = NewEmployees;
		mEmployees[count] = Employee;
		count++;
	}
	CEmployee Get(char* id){
		for(int index=0; index<count; ++index){
			if(strcmp(id, mEmployees[index].GetId()) == 0)
				return mEmployees[index];
		}
		return CEmployee();
	}
};
int main(){
	CEmployee Employee;
	CEmployees Employees; 
	int act;
	while(1){
		cout<<"1.新增員工\n2.查詢員工\n請輸入數字: ";
		cin>>act;
		if(act!=3){
			switch(act){
				case 1:{
					char* name = new char[1];
					char* id = new char[1];
					int age = 0;
					cout<<"請輸入資料！\n姓名: ";
					cin>>name;
					Employee.SetName(name);
					cout<<"年齡: ";
					cin>>age;
					Employee.SetAge(age);
					cout<<"員工ID: ";
					cin>>id;
					Employee.SetId(id);
					Employees.Add(Employee);
					cout<<"Finish !\n";
					break;
				}
				case 2:{
					char* id = new char[1];
					cout<<"請輸入要查詢的員工ID: ";
					cin>>id;
					cout<<"姓名\t年齡\t員工ID\n";
					cout<<Employees.Get(id).GetName()<<"\t"<<Employees.Get(id).GetAge()<<"\t"<<Employees.Get(id).GetId()<<endl;
					break;
				}
			}
		}
		else 
			break;
	}
	return 0;
}