feat(fun/dt): Support arbitrary word counts

This commit is contained in:
Vincent Ambo 2020-05-11 02:39:46 +01:00
parent 98473d21ca
commit 9628daf413

View file

@ -1,56 +1,77 @@
#include <iostream>
#include <vector>
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "absl/hash/hash.h"
#include "absl/time/time.h"
#include "absl/time/clock.h"
#include "absl/strings/str_cat.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"
#include "absl/types/optional.h"
#include "farmhash.h"
ABSL_FLAG(std::string, one, "", "first word");
ABSL_FLAG(std::string, two, "", "second word");
ABSL_FLAG(std::vector<std::string>, word, {}, "words to use");
ABSL_FLAG(int, range, 100, "operating range");
void which(std::string one, std::string two) {
if (util::Fingerprint64(one) > util::Fingerprint64(two)) {
std::cout << one << std::endl;
} else {
std::cout << two << std::endl;
struct Result {
std::string a;
absl::optional<std::string> p;
};
std::string which(const std::vector<std::string>& words) {
uint64_t fp;
std::string word;
for (const auto& w : words) {
auto nfp = util::Fingerprint64(w);
if (nfp > fp) {
fp = nfp;
word = w;
}
}
return word;
}
std::string decide(std::string one, std::string two) {
auto date = absl::FormatTime("%Y%m%d", absl::Now(), absl::UTCTimeZone());
auto base = util::Fingerprint64(absl::StrCat(date, one, two))
% (absl::GetFlag(FLAGS_range) + 1);
if (base % 10 == 0) {
return "c2";
} else if (base % 9 == 0) {
which(one, two);
return "c1";
} else if (base % 8 == 0) {
return "e2";
} else if (base % 7 == 0) {
which(one, two);
return "e1";
} else if (base % 3 == 0) {
return "skip";
Result decide(const std::vector<std::string>& words) {
auto input = absl::FormatTime("%Y%m%d", absl::Now(), absl::UTCTimeZone());
for (const auto& w : words) {
input += w;
}
return "nope";
auto base = util::Fingerprint64(input) % (absl::GetFlag(FLAGS_range) + 1);
Result result = { "nope" };
if (base % 10 == 0) {
result.a = "ca";
} else if (base % 9 == 0) {
result.a = "c1";
result.p = which(words);
} else if (base % 8 == 0) {
result.a = "ea";
} else if (base % 7 == 0) {
result.a = "e1";
result.p = which(words);
} else if (base % 3 == 0) {
result.a = "skip";
}
return result;
}
int main(int argc, char *argv[]) {
absl::ParseCommandLine(argc, argv);
auto one = absl::GetFlag(FLAGS_one);
auto two = absl::GetFlag(FLAGS_two);
if (one.empty() || two.empty()) {
std::cerr << "both are required!" << std::endl;
auto words = absl::GetFlag(FLAGS_word);
if (words.size() < 2) {
std::cerr << "needs at least two!" << std::endl;
return 1;
}
std::cout << decide(one, two) << std::endl;
auto result = decide(words);
std::cout << result.a
<< (result.p.has_value() ? absl::StrCat(" ", "(", result.p.value(), ")")
: "")
<< std::endl;
}