#include <iostream>
#include <string>
#include "raul/SMFReader.hpp"
#include "raul/SMFWriter.hpp"

using namespace std;
using namespace Raul;


int
main(int argc, char** argv)
{
	const char* filename = NULL;

	if (argc < 2) {
		filename = "./test.mid";
		SMFWriter writer(TimeUnit(TimeUnit::BEATS, 19200));
		writer.start(string(filename), TimeStamp(writer.unit(), 0, 0));
		writer.finish();
		cout << "Wrote " << filename << " with PPQN = " << writer.unit().ppt() << endl;

	} else {
		filename = argv[1];
	}


	SMFReader reader;
	bool opened = reader.open(filename);

	if (!opened) {
		cerr << "Unable to open SMF file " << filename << endl;
		return -1;
	}

	cout << "Opened SMF file " << filename << endl;

	cout << "Type: " << reader.type() << endl;
	cout << "Num tracks: " << reader.num_tracks() << endl;
	cout << "PPQN: " << reader.ppqn() << endl;

	for (unsigned t=1; t <= reader.num_tracks(); ++t) {
		cout << "******** Track " << t << " ********" << endl;
		reader.seek_to_track(t);

		unsigned char buf[4];
		uint32_t      ev_size;
		uint32_t      ev_delta_time;
		while (reader.read_event(4, buf, &ev_size, &ev_delta_time) >= 0) {

			cout << "Event, size = " << ev_size << ", time = " << ev_delta_time;
			cout << ":\t";
			cout.flags(ios::hex);
			for (uint32_t i=0; i < ev_size; ++i) {
				cout << "0x" << (int)buf[i] << " ";
			}
			cout.flags(ios::dec);
			cout << endl;
		}
	}

	return 0;
}