#include "aux.hpp"

#include <algorithm>

#include <random>

#include "entropy.hpp"

using namespace std;

string to_lower(string x) {

transform(begin(x), end(x), begin(x), ::tolower);

return x;

}

vector<string> form_factor_names(size_t n) {

vector<string> factor_names;

for (size_t i = 1; i <= n; ++i)

factor_names.push_back("Factor " + std::to_string(i));

return factor_names;

}

vector<size_t> random_order(size_t n) {

vector<size_t> order(n);

iota(begin(order), end(order), 0);

shuffle(begin(order), end(order), EntropySource::rng);

return order;

}

vector<string> split_at(char sep, const string &str) {

vector<string> ret;

istringstream ss(str);

string line;

while (getline(ss, line, sep))

ret.push_back(line);

return ret;

}

string trim(const string &str, char sym) {

size_t trim_front = 0, trim_back = 0;

while (str[trim_front] == sym)

trim_front++;

while (str[str.size() - trim_back - 1] == sym)

trim_back++;

return str.substr(trim_front, str.size() - trim_front - trim_back);

}