Person.cpp

#include "Person.h"


Person extractPerson(const string& firstName, const string& lastName) {
    Person p = {firstName, lastName};
    return p;
}

vector<Person> generateRandomPeople(const vector<Person>& people) {
    vector<int> fnIndices(people.size());
    vector<int> lnIndices(people.size());

    iota(fnIndices.begin(), fnIndices.end(), 0);
    iota(lnIndices.begin(), lnIndices.end(), 0);

    mt19937 rng(random_device{}() ^ (uint64_t)chrono::steady_clock::now().time_since_epoch().count());
    shuffle(fnIndices.begin(), fnIndices.end(), rng);
    shuffle(lnIndices.begin(), lnIndices.end(), rng);

    vector<Person> randomPeople;
    for (int i = 0; i < people.size(); i++) {
        randomPeople.push_back(extractPerson(people[fnIndices[i]].firstName, people[lnIndices[i]].lastName));
    }
    return randomPeople;
}

Person getRandomPerson(vector<Person> people) {
    mt19937 rng(random_device{}() ^ (uint64_t)chrono::steady_clock::now().time_since_epoch().count());
    shuffle(people.begin(), people.end(), rng);
    return people[0];
}

void printPeople(const vector<Person>& people) {
    for (int i = 0; i < people.size(); i++) {
        cout << "[" << i+1 << "]: " << people[i] << endl;
    }
}

ostream& printPerson(const Person& person) {
    return cout << person << endl;
}

ostream& operator<<(ostream& os, const Person& p) {
    os << p.firstName << " " << p.lastName;
    return os;
}