#include<iostream>
#include<string>
using namespace std;

#define Max_size 12

// 座位類
class Seat
{
public:
?? ?char number;?? ??? ?// 座位編號 A - L
?? ?bool is_empty;?? ??? ?// 判斷是否空?? ?false-滿，true-空
?? ?string name;?? ??? ?// 預定人的名
?? ?string lastname;?? ?// 預定人的姓?
};

// 座位表——座位數(shù)組
class seats_table
{
public:
?? ?// 座位表
?? ?Seat Seats[Max_size];

?? ?// 座位表中實際座位被坐的數(shù)量
?? ?int m_size;
};


// 菜單顯示
void show_menu()
{
?? ?cout << "To choose a functions, enter its letter label:" << endl
?? ??? ?<< "a) Show number of empty seats" << endl
?? ??? ?<< "b) Show list of empty seats" << endl
?? ??? ?<< "c) Show alphabetical list of seats" << endl
?? ??? ?<< "d) Assign a customer to seat assignment" << endl
?? ??? ?<< "e) Delete a seat assignment" << endl
?? ??? ?<< "f) Quit" << endl;
}

// 顯示空座的數(shù)量
void show_num_of_empty(seats_table* Seats)
{
?? ?cout << "Numer of empty seats: " << Max_size - Seats->m_size << endl;

?? ?system("pause");?? ?// 任意鍵繼續(xù)
?? ?system("cls");?? ??? ?// 清屏操作
}

// 顯示空座列表即顯示座位編號
void show_Listofempty(seats_table* S)
{
?? ?cout << "List of empty seats:" << endl;
?? ?for (int i = 0; i < Max_size; ++i)
?? ?{
?? ??? ?if (S->Seats[i].is_empty)
?? ??? ?{
?? ??? ??? ?cout << S->Seats[i].number << "\t";
?? ??? ?}
?? ?}
?? ?cout << endl;

?? ?/*system("pause");
?? ?system("cls");*/
}

// 按字母順序輸出座位列表（即輸出所有（12個）座位的信息）
void show_ListofSeats(seats_table* St)
{
?? ?cout << "List of Seats:" << endl;
?? ?for (int i = 0; i < Max_size; ++i)
?? ?{
?? ??? ?cout << St->Seats[i].number << "\t";
?? ??? ?if (St->Seats[i].is_empty)
?? ??? ?{
?? ??? ??? ?cout << "Empty" << endl;
?? ??? ?}
?? ??? ?else
?? ??? ?{
?? ??? ??? ?cout << "Not empty" << "\t"
?? ??? ??? ??? ?<< St->Seats[i].name << "\t"
?? ??? ??? ??? ?<< St->Seats[i].lastname << endl;
?? ??? ?}
?? ?}
?? ?system("pause");
?? ?system("cls");
}

// Assign a customer to a seat assignment(就是訂座)
void assign_seats(seats_table* St)
{
?? ?// 調用一下顯示空座列表函數(shù)
?? ?show_Listofempty(St);
?? ?char judge;
?? ?do
?? ?{
?? ??? ?// 輸出提示信息
?? ??? ?cout << "Please choose the num of seat you want choose:" << endl;
?? ??? ?char sel;
?? ??? ?cin >> sel;
?? ??? ?// 先判斷是否是正確輸入
?? ??? ?if (sel < 'A' || sel > 'L')
?? ??? ?{
?? ??? ??? ?cout << "Input Error!" << endl;
?? ??? ?}
?? ??? ?else
?? ??? ?{
?? ??? ??? ?// 再判斷該座位是否為空座
?? ??? ??? ?if (!St->Seats[sel - 'A'].is_empty)
?? ??? ??? ?{
?? ??? ??? ??? ?// 非空
?? ??? ??? ??? ?cout << "The seat is not empty!" << endl;
?? ??? ??? ?}
?? ??? ??? ?else
?? ??? ??? ?{
?? ??? ??? ??? ?// 按照字母編號將對應座位置人（即非空，置否）,并將實際座位（非空座）總數(shù)+1
?? ??? ??? ??? ?St->Seats[(int)(sel - 'A')].is_empty = false;
?? ??? ??? ??? ?St->m_size++;

?? ??? ??? ??? ?// 輸出提示信息（提醒用戶輸入名字）
?? ??? ??? ??? ?cout << "Please input your name:" << endl;
?? ??? ??? ??? ?string na;
?? ??? ??? ??? ?cin >> na;
?? ??? ??? ??? ?St->Seats[(int)(sel - 'A')].name = na;

?? ??? ??? ??? ?cout << "Please input your lastname:" << endl;
?? ??? ??? ??? ?string ln;
?? ??? ??? ??? ?cin >> ln;
?? ??? ??? ??? ?St->Seats[(int)(sel - 'A')].lastname = ln;

?? ??? ??? ??? ?// 輸出訂票成功的提示
?? ??? ??? ??? ?cout << "Successful reservation!" << endl;
?? ??? ??? ?}
?? ??? ?}
?? ??? ?cout << "Continue? (Y/N)" << endl;
?? ??? ?cin >> judge;
?? ?} while (judge == 'Y');

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

// delete a seat assignment（刪除一個座位的合約）
// 說實話，這個機制有點問題，應該不是給客戶操作, 應該是工作人員操作
void d_seat(seats_table* St)
{
?? ?
?? ?char num;
?? ?char judge;
?? ?do
?? ?{
?? ??? ?// 輸出提示信息（要刪除的座位編號）
?? ??? ?cout << "Please input the number(A-L) of seat you want delete:" << endl;
?? ??? ?cin >> num;
?? ??? ?// 先判斷是否是正確輸入
?? ??? ?if (num < 'A' || num > 'L')
?? ??? ?{
?? ??? ??? ?cout << "Input Error!" << endl;
?? ??? ?}
?? ??? ?else
?? ??? ?{
?? ??? ??? ?// 判斷是否是空座
?? ??? ??? ?// 空座
?? ??? ??? ?if (St->Seats[num - 'A'].is_empty)
?? ??? ??? ?{
?? ??? ??? ??? ?
?? ??? ??? ??? ?cout << "The seat is empty." << endl;
?? ??? ??? ?}
?? ??? ??? ?else
?? ??? ??? ?{
?? ??? ??? ??? ?cout << "Please input your name and lastname:" << endl;
?? ??? ??? ??? ?string na, lna;
?? ??? ??? ??? ?cin >> na >> lna;
?? ??? ??? ??? ?// 判斷座位的名字和姓是否匹配
?? ??? ??? ??? ?if (St->Seats[num - 'A'].name == na && St->Seats[num - 'A'].lastname == lna)
?? ??? ??? ??? ?{
?? ??? ??? ??? ??? ?St->Seats[num - 'A'].is_empty = true;
?? ??? ??? ??? ??? ?St->m_size--;
?? ??? ??? ??? ??? ?St->Seats[num - 'A'].name = "";
?? ??? ??? ??? ??? ?St->Seats[num - 'A'].lastname = "";
?? ??? ??? ??? ??? ?cout << "Seat withdrawal succeeded!" << endl;
?? ??? ??? ??? ?}
?? ??? ??? ??? ?else
?? ??? ??? ??? ?{
?? ??? ??? ??? ??? ?cout << "The name or lastname is not matchied!" << endl;
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ?}

?? ??? ?cout << "Continue? (Y/N)" << endl;
?? ??? ?cin >> judge;
?? ?} while (judge == 'Y');
?? ?system("pause");
?? ?system("cls");
}


int main()
{
?? ?seats_table S;

?? ?// 初始化，實際被坐的座位為0
?? ?S.m_size = 0;
?? ?// 循環(huán)，初始化座位的編號（A - L），并全部置空
?? ?for (int i = 0; i < Max_size; i++)
?? ?{
?? ??? ?// 97--'A'
?? ??? ?S.Seats[i].number = (char)(i + 65);
?? ??? ?S.Seats[i].is_empty = true;
?? ?}
?? ?// 聲明選擇變量
?? ?char select = 'a';

?? ?// 循環(huán)顯示菜單進行操作
?? ?while (1)
?? ?{
?? ??? ?// 菜單調用
?? ??? ?show_menu();

?? ??? ?bool b = false;

?? ??? ?cin >> select;

?? ??? ?switch (select)
?? ??? ?{
?? ??? ?case 'a':
?? ??? ??? ?show_num_of_empty(&S);
?? ??? ??? ?break;
?? ??? ?case 'b':
?? ??? ??? ?show_Listofempty(&S);
?? ??? ??? ?system("pause");
?? ??? ??? ?system("cls");
?? ??? ??? ?break;
?? ??? ?case 'c':
?? ??? ??? ?show_ListofSeats(&S);
?? ??? ??? ?break;
?? ??? ?case 'd':
?? ??? ??? ?assign_seats(&S);
?? ??? ??? ?break;
?? ??? ?case 'e':
?? ??? ??? ?d_seat(&S);
?? ??? ??? ?break;
?? ??? ?
?? ??? ?// 放棄操作，退出循環(huán)(while循環(huán))
?? ??? ?case 'f':
?? ??? ??? ?b = true;
?? ??? ??? ?break;

?? ??? ?// 其他情況
?? ??? ?default:
?? ??? ??? ?cout << "Input error!" << endl;
?? ??? ??? ?system("pause");
?? ??? ??? ?system("cls");
?? ??? ?}
?? ??? ?if (b)
?? ??? ?{
?? ??? ??? ?break;
?? ??? ?}
?? ?}

?? ?system("pause");
?? ?return 0;
}