#include <cstdlib>

#include <memory>

#include <tuple>

#include <RelationalWriter.h>

#include <RelpipeWriterException.h>

#include <Factory.h>

#include <TypeId.h>

#include "CLI.h"

int demo();

int main(int argc, char** argv) {

	using namespace relpipe::cli;

	using namespace relpipe::writer;

	setlocale(LC_ALL, "");

	CLI cli(argc, argv);

	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;

	try {

		if (cli.arguments().size() > 0) {

			const wstring action = cli.arguments()[0];

			vector<wstring> arguments(cli.arguments().size() - 1);

			for (int i = 1; i < cli.arguments().size(); i++) {

				arguments[i - 1] = cli.arguments()[i];

			}

			if (action == L"demo") {

				resultCode = demo();

			} else {

				fwprintf(stderr, L"Unknown command: %ls\n", action.c_str());

				resultCode = CLI::EXIT_CODE_UNKNOWN_COMMAND;

			}

		} else {

			fwprintf(stderr, L"Missing command…\n");

			resultCode = CLI::EXIT_CODE_BAD_SYNTAX;

		}

	} catch (RelpipeWriterException e) {

		fwprintf(stderr, L"Caught exception: %ls\n", e.getMessge().c_str());

		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());

		resultCode = CLI::EXIT_CODE_DATA_ERROR;

	}

	return resultCode;

}

int demo() {

	using namespace relpipe::writer;

	std::shared_ptr<RelationalWriter> writer(Factory::create(std::cout));

	// Various data types passed as strings

	writer->startRelation(L"table_from_strings",{

		{L"s", TypeId::STRING},

		{L"i", TypeId::INTEGER},

		{L"b", TypeId::BOOLEAN}

	}, true);

	writer->writeAttribute(L"a");

	writer->writeAttribute(L"1");

	writer->writeAttribute(L"true");

	writer->writeAttribute(L"b");

	writer->writeAttribute(L"2");

	writer->writeAttribute(L"false");

	// Various data types passed as raw pointers + typeids

	writer->startRelation(L"from_raw_pointers",{

		{L"s", TypeId::STRING},

		{L"i", TypeId::INTEGER},

		{L"b", TypeId::BOOLEAN}

	}, true);

	string_t sValue;

	integer_t iValue;

	boolean_t bValue;

	for (int i = 0; i < 8; i++) {

		sValue.append(L"*");

		iValue = i + 1;

		bValue = iValue % 2 == 0;

		writer->writeAttribute(&sValue, typeid (sValue));

		writer->writeAttribute(&iValue, typeid (iValue));

		writer->writeAttribute(&bValue, typeid (bValue));

	}

	return 0;

}