/*
 * IGC parser
 * @brief parse IGC file, get all data points, compute average horizontal/vertical speed, print to STDOUT
 *
 * As per standard: https://xp-soaring.github.io/igc_file_format/igc_format_2008.html
 *                  https://xp-soaring.github.io/igc_file_format/igc_fr_specification_with_al8_2023-2-1_0.pdf
 *
 * @author xamidev <xamidev@riseup.net>
 * @license GNU GPL v3
 */

#include "raylib.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "igc.h"
#include "linkage.h"

int main(int argc, char* argv[])
{
	if (argc < 2)
	{
		printf("Usage: %s <file>\n", argv[0]);
		return -EINVAL;
	}

	char filename[NAME_MAX] = {0};
	strncpy(filename, argv[1], NAME_MAX-1);

	FILE* fp = fopen(filename, "r");

	if (!fp)
	{
		printf("Couldn't open file %s\n", filename);
		return -EINVAL;
	}	

	struct dp_node* head = create_datapoint_list(); 
	struct IGC_Header* hdr = (struct IGC_Header*)calloc(1, sizeof(struct IGC_Header));
	parse_igc_file(fp, hdr, head);

	print_datapoint_list(head);

	// Raylib test window
	SetTraceLogLevel(4);
	const int screenWidth = 800;
	const int screenHeight = 600;
	InitWindow(screenWidth, screenHeight, "Raylib basic window");
	SetTargetFPS(60);
	while (!WindowShouldClose()) {
		BeginDrawing();
		ClearBackground(RAYWHITE);
		DrawText("It works!", 20, 20, 20, BLACK);
		EndDrawing();
	}
	CloseWindow();

	return EXIT_SUCCESS;
}