#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <string.h>

using namespace std;

struct contact {
    char name[100];
    char mobile_phone[20];
    char home_phone[20];
    char work_phone[20];
};

class phone_book {

public:

    phone_book() {
        store = new contact * [100];
        contacts_number = 0;
        max_contacts_number = 100;
    }

    phone_book(int max_number) {
        store = new contact * [max_number];
        contacts_number = 0;
        max_contacts_number = max_number;
    }

    phone_book(contact arr[], int arr_size) {
        store = new contact * [100];
        max_contacts_number = 100;
        for (int i = 0; i < arr_size; ++i) {
            AddContact(arr[i].name, arr[i].mobile_phone, arr[i].home_phone, arr[i].work_phone);
        }
    }

    void ShowAllContacts() {
        cout << "The following contacts are available: " << endl;
        if (contacts_number == 0) {
            cout << "No contacts";
        }
        for (int i = 0; i < contacts_number; ++i) {
            cout << '\"' << store[i]->name << "\", mobile_phone: " << store[i]->mobile_phone << ", home_phone: " << store[i]->home_phone << ", work_phone: " << store[i]->work_phone << endl;
        }
        cout << endl;
    }

    void AddContact(const char name[], const char mobile_phone[], const char home_phone[], const char work_phone[]) { // не забывать ставить const, иначе не скомпилируется
        if (contacts_number == max_contacts_number) {
            cout << "The contact cannot be added" << endl;
            return;
        }
        store[contacts_number] = new contact{};
        strcpy(store[contacts_number]->name, name);
        strcpy(store[contacts_number]->mobile_phone, mobile_phone);
        strcpy(store[contacts_number]->home_phone, home_phone);
        strcpy(store[contacts_number]->work_phone, work_phone);
        contacts_number++;
    }

    void DelContact(const char name[]) {
        for (int i = 0; i < contacts_number; i++) {
            if (!strcmp(store[i]->name, name)) { // возвращает 0 если строки одинаковые, поэтому используем ! (чтобы возврат нуля означал "истину")
                delete store[i];
                for (int j = i; j < contacts_number - 1; j++) {
                    store[j] = store[j + 1];
                }
                store[contacts_number - 1] = nullptr;
                contacts_number--;
            }
        }
    }

    void FindContactName(const char name[]) {
        cout << "Found according to your request: " << endl;
        for (int i = 0; i < contacts_number; i++) {
            if (!strcmp(store[i]->name, name)) {
                cout << '\"' << store[i]->name << "\", mobile_phone: " << store[i]->mobile_phone << ", home_phone: " << store[i]->home_phone << ", work_phone: " << store[i]->work_phone << endl;
            }
        }
        cout << endl;
    }

    ~phone_book() {
        for (int i = 0; i < contacts_number; ++i) {
            delete store[i];
        }
        delete[] store;
    }

private:
    contact** store;
    int contacts_number;
    int max_contacts_number;

};


int main() { // для проверки функционала

    phone_book my_store; // для проверки конструктора по умолчанию

    //phone_book my_store(50); // для проверки конструктора для одного параметра

    //contact some_contacts[]{ {"Ivan", "+79111111111", "111111", "121212"}, {"Zhenya", "+79111111333", "111133", "121233"}}; // для проверки конструктора для двух параметров (закомментировать первые два добавления контакта)

    //phone_book my_store(some_contacts, 2); // для проверки конструктора для двух параметров

    my_store.AddContact("Ivan", "+79111111111", "111111", "121212");
    my_store.AddContact("Zhenya", "+79111111333", "111133", "121233");
    my_store.AddContact("Galya", "+79115511333", "166133", "127733");
    my_store.AddContact("Olya", "+79115511333", "166133", "127733");

    my_store.ShowAllContacts();

    my_store.DelContact("Zhenya");

    my_store.ShowAllContacts();

    my_store.AddContact("Zhenya", "+79111111333", "111133", "121233");

    my_store.FindContactName("Galya");

}