/*
 * Copyright 2013 (c) Anna Schumaker.
 */
#include <index.h>
#include <print.h>

void print_keys(Index &index)
{
	std::set<std::string>::iterator it;

	print("Found keys:");
	for (it = index.keys_begin(); it != index.keys_end(); it++)
		print(" %s", it->c_str());
	print("\n");
}

void print_index(Index &index)
{
	std::set<std::string>::iterator s_it;
	std::set<unsigned int>::iterator u_it;

	print("=== Printing index ===\n");
	print_keys(index);

	for (s_it = index.keys_begin(); s_it != index.keys_end(); s_it++) {
		std::string key = *s_it;
		print("index[%s] = {", key.c_str());

		for (u_it = index[key].begin(); u_it != index[key].end(); u_it++) {
			if (u_it != index[key].begin())
				print(" ");
			print("%d", *u_it);
		}

		print("}\n");
	}
	print("\n");
}

void populate_index(Index &index)
{
	std::string key_str;

	for (char key = 'a'; key <= 'z'; key++) {
		key_str = key;
		for (unsigned int value = 0; value < 10; value++) {
			index.insert(key_str, value);
		}
	}
}

void remove_keys(Index &index)
{
	std::string key_str;

	for (char key = 'a'; key <= 'z'; key+=2) {
		key_str = key;
		index.remove(key_str);
	}
}

void remove_values(Index &index)
{
	std::string key_str;
	unsigned int limit = 0;

	for (char key = 'a'; key <= 'z'; key++) {
		key_str = key;
		for (unsigned int i = 0; i < limit; i++) {
			index.remove(key_str, i);
		}
		limit++;
		if (limit == 11)
			limit = 0;
	}
}

/*
 * Test index creation, print key access
 */
void test_0()
{
	print("Test 0\n");
	Index index("");

	populate_index(index);
	print_index(index);
}

/*
 * Test removing keys from an index
 */
void test_1()
{
	print("Test 1\n");
	Index index("");

	populate_index(index);
	remove_keys(index);
	print_index(index);
}

/*
 * Test removing values from an index
 */
void test_2()
{
	print("Test 2\n");
	Index index("");

	populate_index(index);
	remove_values(index);
	print_index(index);
}

/*
 * Save the database to disk
 */
void test_3()
{
	print("Test 3\n");
	Index index("test.idx");

	populate_index(index);
	remove_values(index);
	index.save();
}

/*
 * Reload the database from disk
 */
void test_4()
{
	print("Test 4\n");
	Index index("test.idx");

	index.load();
	print_index(index);
}

int main(int argc, char **argv)
{
	test_0();
	test_1();
	test_2();
	test_3();
	test_4();
	return 0;
}