#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <random>

#include "SearchJob.hpp"
#include "TestRunner.hpp"


// Type of our hay stack: a list of strings
typedef std::vector<std::string> WordList;

typedef SearchJob<WordList::const_iterator> WordSearchJob;

void create_testdata(WordList& words)
{
	const char start = 'A';
	const char end = 'Z';
	char str[4] = { 'A', 'A', 'A', 'A' };

	for (str[0] = start; str[0] <= end; str[0]++)
		for (str[1] = start; str[1] <= end; str[1]++)
			for (str[2] = start; str[2] <= end; str[2]++)
				for (str[3] = start; str[3] <= end; str[3]++)
					words.push_back(std::string(str, 4));
}

void shuffle_testdata(WordList& words)
{
	auto rng = std::default_random_engine{};
	std::shuffle(words.begin(), words.end(), rng);
}

void run_wordsearch(WordSearchJob& job)
{
	job.run();
}


int main()
{
	double time_span;
	WordList test_data;

	std::cout << "Hello World." << std::endl;
	
	time_span = TestRunner(create_testdata, test_data);
	std::cout << "It took me " << time_span << " seconds to create " << test_data.size() << " words." << std::endl;

	time_span = TestRunner(shuffle_testdata, test_data);
	std::cout << "It took me " << time_span << " seconds to shuffle " << test_data.size() << " words." << std::endl;

	SearchJob<WordList::const_iterator> job(test_data.begin(), test_data.end(), "ABC");

	time_span = TestRunner(run_wordsearch, job);
	std::cout << "It took me " << time_span << " seconds to find " << job.GetResult().size() << " matches." << std::endl;
	

	std::cout << std::endl;
	
	return 0;
}