#include "duckhandy/int_conv.hpp"
#include <iostream>
#include <random>
#include <chrono>
#include <vector>
#include <string>
#include <algorithm>
#include <ctime>

namespace {
template <typename Conv>
void run_with_timing (
	const std::string& test_name,
	const std::vector<unsigned int>& src,
	std::vector<std::string>& dst,
	Conv&& conv_func
) {
	dst.clear();
	dst.resize(src.size());
	std::cout << test_name << "...\n";
	const std::size_t count = src.size();

	const auto t0 = std::chrono::high_resolution_clock::now();
	for (std::size_t z = 0; z < count; ++z) {
		dst[z] = conv_func(src[z]);
	}
	const auto t1 = std::chrono::high_resolution_clock::now();

	std::chrono::duration<double> duration = t1 - t0;
	std::cout << count << " conversions completed in " << duration.count() << " seconds\n";
}
} //unnamed namespace

int main() {
	using dhandy::int_conv;
	constexpr const std::size_t count = 50'000'000;

	std::vector<unsigned int> nums;
	std::vector<std::string> strings;
	std::mt19937 gen;

	std::cout << "Setting up data...\n";

	nums.resize(count);
	strings.reserve(count);
	gen.seed(std::time(nullptr));

	std::cout << "Generating " << count << " random values...\n";
	std::generate(nums.begin(), nums.end(), gen);

	run_with_timing("Conversions with std::to_string", nums, strings, [](unsigned int n) { return std::to_string(n); });
	run_with_timing("AryConversion with dhandy::int_conv", nums, strings, [](unsigned int n) { return int_conv<std::string>(n); });

	std::cout << "All done, bye!\n";
	return 0;
}