lab 14

#define NOMINMAX
#include <windows.h>
#include <iostream>
#include <string>
#include <limits>
#include <fstream>
#include <sstream>
#include <vector>
using namespace std;

struct Coach;
struct Gym
{
    string name;
    vector<Coach*> coaches;
};

struct Coach
{
    string name;
    vector<Gym*> gyms;
};

void make_relation(vector<Gym>& gyms, vector<Coach>& coaches) {
    system("cls");
    if (coaches.empty()) {
        cout << "Нет тренеров для связи.\n";
        system("pause");
        system("cls");
        return;
    }
    if (gyms.empty()) {
        cout << "Нет залов для связи.\n";
        system("pause");
        system("cls");
        return;
    }
    int indx = 0;
    for (auto& i : coaches)
    {
        cout << indx + 1 << ". " << i.name << '\n';
        indx++;
    }
    int coach_indx = 0;
    while (true) {
        cout << "Выберите тренера для связи: ";
        if (cin >> coach_indx and coach_indx > 0 and coach_indx <= coaches.size()) {
            break;
        }
        else {
            cout << "Неверный ввод. Попробуйте снова.\n";
            cin.clear();
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
        }
    }

    indx = 0;
    for (auto& i : gyms)
    {
        cout << indx + 1 << ". " << i.name << '\n';
        indx++;
    }
    int gym_indx = 0;
    while (true) {
        cout << "Выберите зал для связи: ";
        if (cin >> gym_indx and gym_indx > 0 and gym_indx <= gyms.size()) {
            break;
        }
        else {
            cout << "Неверный ввод. Попробуйте снова.\n";
            cin.clear();
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
        }
    }

    gyms[gym_indx - 1].coaches.push_back(&coaches[coach_indx - 1]);
    coaches[coach_indx - 1].gyms.push_back(&gyms[gym_indx - 1]);
    system("cls");
}

void add_coach(vector<Coach>& coaches) {
    system("cls");
    Coach new_coach;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');
    cout << "Введите имя тренера: ";
    string name;
    getline(cin, name);
    new_coach.name = name;
    coaches.push_back(new_coach);
    system("cls");
}

void add_gym(vector<Gym>& gyms) {
    system("cls");
    Gym new_gym;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');
    cout << "Введите название зала: ";
    string name;
    getline(cin, name);
    new_gym.name = name;
    gyms.push_back(new_gym);
    system("cls");
}

void list_gyms(const vector<Gym>& gyms) {
    system("cls");
    if (gyms.empty()) {
        cout << "Список залов пуст.\n";
    }
    else {
        for (const auto& gym : gyms) {
            cout << gym.name << '\n';
        }
    }
    system("pause");
    system("cls");
}

void list_coaches(const vector<Coach>& coaches) {
    system("cls");
    if (coaches.empty()) {
        cout << "Список тренеров пуст.\n";
    }
    else {
        for (const auto& coach : coaches) {
            cout << coach.name << '\n';
        }
    }
    system("pause");
    system("cls");
}

void list_coaches_in_gym(const vector<Gym>& gyms) {
    system("cls");
    if (gyms.empty()) {
        cout << "Список залов пуст.\n";
        system("pause");
        system("cls");
        return;
    }
    int indx = 0;
    for (const auto& gym : gyms) {
        cout << indx + 1 << ". " << gym.name << '\n';
        indx++;
    }
    int gym_indx = 0;
    while (true) {
        cout << "Выберите зал для отображения тренеров: ";
        if (cin >> gym_indx and gym_indx > 0 and gym_indx <= gyms.size()) {
            break;
        }
        else {
            cout << "Неверный ввод. Попробуйте снова.\n";
            cin.clear();
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
        }
    }

    system("cls");
    if (gyms[gym_indx - 1].coaches.empty()) {
        cout << "В этом зале нет тренеров.\n";
    }
    else {
        for (const auto& coach : gyms[gym_indx - 1].coaches) {
            cout << coach->name << '\n';
        }
    }
    system("pause");
    system("cls");
}

void list_gyms_of_coach(const vector<Coach>& coaches) {
    system("cls");
    if (coaches.empty()) {
        cout << "Список тренеров пуст.\n";
        system("pause");
        system("cls");
        return;
    }
    int indx = 0;
    for (const auto& coach : coaches) {
        cout << indx + 1 << ". " << coach.name << '\n';
        indx++;
    }
    int coach_indx = 0;
    while (true) {
        cout << "Выберите тренера для отображения залов: ";
        if (cin >> coach_indx and coach_indx > 0 and coach_indx <= coaches.size()) {
            break;
        }
        else {
            cout << "Неверный ввод. Попробуйте снова.\n";
            cin.clear();
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
        }
    }

    system("cls");
    if (coaches[coach_indx - 1].gyms.empty()) {
        cout << "У этого тренера нет залов.\n";
    }
    else {
        for (const auto& gym : coaches[coach_indx - 1].gyms) {
            cout << gym->name << '\n';
        }
    }
    system("pause");
    system("cls");
}

int main()
{
    SetConsoleOutputCP(1251);
    SetConsoleCP(1251);
    setlocale(LC_ALL, "Russian");
    vector<Gym> my_gyms;
    vector<Coach> my_coaches;
    while (true)
    {
        cout << "--------------------\n";
        cout << "Выберите один из пунктов меню\n";
        cout << "1) Создать связь\n"
            << "2) Добавить тренера\n"
            << "3) Добавить зал\n"
            << "4) Список залов\n"
            << "5) Список тренеров\n"
            << "6) Вывести всех тренеров из зала\n"
            << "7) Вывести все залы тренера\n"
            << "8) Закончить программу\n"
            << "Введите нужный пункт меню: ";
        int answer;
        while (true) {
            if (cin >> answer and answer > 0 and answer <= 8) {
                break;
            }
            else {
                cout << "Неверный ввод. Попробуйте снова.\n";
                cin.clear();
                cin.ignore(numeric_limits<streamsize>::max(), '\n');
            }
        }
        switch (answer)
        {
        case 1: {
            make_relation(my_gyms, my_coaches);
            break;
        }
        case 2: {
            add_coach(my_coaches);
            break;
        }
        case 3: {
            add_gym(my_gyms);
            break;
        }
        case 4: {
            list_gyms(my_gyms);
            break;
        }
        case 5: {
            list_coaches(my_coaches);
            break;
        }
        case 6: {
            list_coaches_in_gym(my_gyms);
            break;
        }
        case 7: {
            list_gyms_of_coach(my_coaches);
            break;
        }
        case 8: {
            return 0;
        }
        default:
            cout << "Неверный пункт меню, попробуйте снова.\n";
            system("pause");
            system("cls");
            break;
        }
    }
}