#define _CRT_SECURE_NO_WARNINGS

#include <iostream>


using namespace std;

struct client {
    char name[30]; // имя клиента
    char phone_number[20]; // номер телефона
    int client_id; // id клиента
    int personal_discount; // размер скидки
    bool regular_customer; // постоянный покупатель (да / нет)
};

class client_base {

public:

    explicit client_base(const int new_base_size) : clients(new client[new_base_size]), clients_number(0), clients_base_size(new_base_size) {}

    client_base() : client_base(5) {}

    client_base(const client_base& other) : client_base(other.clients_base_size) {
        for (int i = 0; i < other.clients_number; i++) {
            new_client(other.clients[i].name, other.clients[i].phone_number, other.clients[i].client_id, other.clients[i].personal_discount, other.clients[i].regular_customer);
        }
    }

    client_base(client_base&& other) : clients(other.clients), clients_number(other.clients_number), clients_base_size(other.clients_base_size) {
        other.clients = nullptr;
    }

    client_base& operator=(const client_base& other) {
        if (this != &other) {
            delete[] clients;
            clients_number = other.clients_number;
            clients_base_size = other.clients_base_size;
            clients = new client[clients_base_size];
            for (int i = 0; i < other.clients_number; i++) {
                new_client(other.clients[i].name, other.clients[i].phone_number, other.clients[i].client_id, other.clients[i].personal_discount, other.clients[i].regular_customer);
            }
        }
        return *this;
    }

    client_base& operator=(client_base&& other) {
        if (this != &other) {
            delete[] clients;
            clients_number = other.clients_number;
            clients_base_size = other.clients_base_size;
            clients = other.clients;
            other.clients = nullptr;
        }
        return *this;
    }

    void new_client(const char* name, const char* phone_number, const int client_id, const int personal_discount, const bool regular_customer) {
        if (clients_number == clients_base_size) {
            client* temp = new client[clients_base_size * 2];
            for (int i = 0; i < clients_number; i++) {
                temp[i] = clients[i];
            }
            delete[] clients;
            clients = temp;
            clients_base_size *= 2;
        }
        strcpy(clients[clients_number].name, name);
        strcpy(clients[clients_number].phone_number, phone_number);
        clients[clients_number].client_id = client_id;
        clients[clients_number].personal_discount = personal_discount;
        clients[clients_number].regular_customer = regular_customer;
        clients_number++;
    }

    void del_client(const char* name) {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i].name, name)) {
                for (int j = i; j < clients_number - 1; j++) {
                    clients[j] = clients[j + 1];
                }
                i--; // на случай идущих подряд клиентов с одинаковым именем (иначе второго перескакивает)
                clients_number--;
            }
        }

    }

    void find_client(const char* name) const {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i].name, name)) {
                cout << clients[i].name << ": номер " << clients[i].phone_number << ", id " << clients[i].client_id << ", скидка " << clients[i].personal_discount << " %";
                if (clients[i].regular_customer) {
                    cout << ", постоянный покупатель";
                }
                cout << endl;
            }
        }
        cout << endl;
    }

    void show_all_clients() const {
        for (int i = 0; i < clients_number; i++) {
            cout << clients[i].name << ": номер " << clients[i].phone_number << ", id " << clients[i].client_id << ", скидка " << clients[i].personal_discount << " %";
            if (clients[i].regular_customer) {
                cout << ", постоянный покупатель";
            }
            cout << endl;
        }
        cout << endl;
    }

    void show_regular_clients() const {
        for (int i = 0; i < clients_number; i++) {
            if (clients[i].regular_customer) {
                cout << clients[i].name << ": номер " << clients[i].phone_number << ", id " << clients[i].client_id << ", скидка " << clients[i].personal_discount << " %" << endl;
            }
        }
        cout << endl;
    }

    ~client_base() {
        delete[] clients;
    }


private:
    client* clients; // массив клиентов
    int clients_number; // количество клиентов
    int clients_base_size; // размер базы
};


int main() {

    setlocale(LC_ALL, "ru");

    client_base my_base(200);
    my_base.new_client("Иван", "+79111111111", 1129, 10, true);
    my_base.new_client("Вася", "+79111111222", 1130, 5, false);
    my_base.new_client("Олег", "+79111111333", 1131, 15, true);
    my_base.new_client("Мария", "+79111111444", 1132, 10, false);
    my_base.new_client("Галя", "+79111111555", 1133, 20, true);
    my_base.show_all_clients();

    my_base.del_client("Иван");
    my_base.show_regular_clients();

    my_base.find_client("Галя");

    client_base my_base2 = move(my_base);

    my_base2.show_all_clients();
}