#include <stdio.h>
#include <stdbool.h>

#include "c_cross_pack/libs/string.h"

int main() {
	int matrix[2][2];
	int a, b;

	// Scan
	printf("Enter a: "); scanf("%d", &a);
	printf("Enter b: "); scanf("%d", &b);

	matrix[0][0] = a; matrix[0][1] = a + 1;
	matrix[1][0] = b; matrix[1][1] = b + 1;

	// Format strings
	string first = strInit(int2Str(&matrix[0][0]));
	strAdd(&first, " ");
	strAdd(&first, int2Str(&matrix[0][1]));
	string second = strInit(int2Str(&matrix[1][0]));
	strAdd(&second, " ");
	strAdd(&second, int2Str(&matrix[1][1]));

	// Write data
	FILE* fptr = fopen("file", "w");
	fprintf(fptr, first);
	fprintf(fptr, "\n");
	fprintf(fptr, second);
	fprintf(fptr, "\n");
	fclose(fptr);

	string rawFirst = strInit("");
	string rawSecond = strInit("");
	int newMatrix[2][2];

	// Read new values
	fptr = fopen("file", "r");
	string buffer = strInit("");
	strResize(&buffer, 128);
	bool isFirst = true;
	while (fgets(buffer, 128, fptr)) {
		//printf("%s", buffer);
		if (isFirst) {
			strAdd(&rawFirst, buffer);
			isFirst = false;
		}
		else {
			strAdd(&rawSecond, buffer);
		}
	}
	fclose(fptr);

	// Parse first values pairs
	isFirst = true;
	char* token = strtok(rawFirst, " ");
	while (token)
	{
		if (isFirst) {
			newMatrix[0][0] = atoi(token);
			isFirst = false;
		}
		else {
			newMatrix[0][1] = atoi(token);
		}
		token = strtok(NULL, " ");
	}
	// Parse first values pairs
	isFirst = true;
	token = strtok(rawSecond, " ");
	while (token)
	{
		if (isFirst) {
			newMatrix[1][0] = atoi(token);
			isFirst = false;
		}
		else {
			newMatrix[1][1] = atoi(token);
		}
		token = strtok(NULL, " ");
	}

	printf("\nOriginal matrix:\n"
	"[[%d, %d], [%d, %d]]\n"
	"Readed matrix:\n"
	"[[%d, %d], [%d, %d]]\n",
	matrix[0][0], matrix[0][1], matrix[1][0], matrix[1][1],
	newMatrix[0][0], newMatrix[0][1], newMatrix[1][0], newMatrix[1][1]);

	return 0;
}