#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <cstring>


using namespace std;

struct client {
    char name[20]; // имя клиента
    char phone_number[10]; // номер телефона
    int client_id; // id клиента
    int personal_discount; // размер скидки
    bool regular_customer; // постоянный покупатель (да / нет)
};

class client_base {

public:
    client_base() {
        clients = new client * [100];
        clients_number = 0;
        clients_base_size = 100;
    }

    client_base(int new_base_size) {
        clients = new client * [new_base_size];
        clients_number = 0;
        clients_base_size = new_base_size;
    }

    void NewClient(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[i];
            }
            delete[] clients;
            clients = temp;
            clients_base_size *= 2;
        }
        clients[clients_number] = new client;
        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 DelClient(const char name[]) {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i]->name, name)) {
                delete clients[i];
                for (int j = i; j < clients_number - 1; j++) {
                    clients[j] = clients[j + 1];
                }
                clients[clients_number - 1] = nullptr;
                clients_number--;
            }
        }

    }

    void FindClient(const char name[]) {
        for (int i = 0; i < clients_number; i++) {
            if (!strcmp(clients[i]->name, name)) {
                cout << clients[i]->name << ": phone " << clients[i]->phone_number << ", id " << clients[i]->client_id << ", personal discount " << clients[i]->personal_discount << " %";
                if (clients[i]->regular_customer) {
                    cout << ", regular customer";
                }
                cout << endl;
            }
        }
        cout << endl;
    }

    void ShowAllClients() {
        for (int i = 0; i < clients_number; i++) {
            cout << clients[i]->name << ": phone " << clients[i]->phone_number << ", id " << clients[i]->client_id << ", personal discount " << clients[i]->personal_discount << " %";
            if (clients[i]->regular_customer) {
                cout << ", regular customer";
            }
            cout << endl;
        }
        cout << endl;
    }

    void ShowRegularClients() {
        for (int i = 0; i < clients_number; i++) {
            if (clients[i]->regular_customer) {
                cout << clients[i]->name << ": phone " << clients[i]->phone_number << ", id " << clients[i]->client_id << ", personal discount " << clients[i]->personal_discount << " %" << endl;
            }
        }
        cout << endl;
    }

    ~client_base() {
        for (int i = 0; i < clients_number; i++) {
            delete clients[i];
        }
        delete[] clients;
    }


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


int main() {
    client_base my_base(200);
    my_base.NewClient("Ivan", "9111111111", 1129, 10, true);
    my_base.NewClient("Vasya", "9111111222", 1130, 5, false);
    my_base.NewClient("Oleg", "9111111333", 1131, 15, true);
    my_base.NewClient("Maria", "9111111444", 1132, 10, false);
    my_base.NewClient("Galya", "9111111555", 1133, 20, true);
    my_base.ShowAllClients();
    my_base.DelClient("Ivan");
    my_base.ShowRegularClients();
    my_base.FindClient("Galya");
}