#ifndef PRIMENUMBERGENERATOR_PRIME_GEN_H
#define PRIMENUMBERGENERATOR_PRIME_GEN_H

class PrimeNumberGenerator {
 public:
    int start;

    explicit PrimeNumberGenerator(int start) {
        this->start = start - 1;
    }

    int GetNextPrime() {
        this->start++;
        while (true) {
            if (isPrime(this->start)) {
                return this->start;
            } else {
                this->start++;
            }
        }
    }

    static bool isPrime(int num) {
        if (num <= 1) {
            return false;
        }
        for (int i = 2; i <= num / 2; i++) {
            if (num % i == 0) {
                return false;
            }
        }
        return true;
    }
};

#endif  // PRIMENUMBERGENERATOR_PRIME_GEN_H