#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/wait.h>
#include <string.h>
#define MSGSIZE 64

char *SB = {"||||||||||          "};

int main() {
	int B[8];
	int Bm[8] = {0};
	int Bm_pre[8] = {0};
	int ret;
	int p[2], i;
	pipe(p);
	
	pid_t a = fork();
	char *sas[] = {"cava", "-p", "/home/romenskiy2012/.config/cava/band8.conf", NULL};

	char inbuf[MSGSIZE];
	if (a == 0) {
		if (dup2(p[1], STDOUT_FILENO) == -1) { perror("dup2"); _exit(127);}
		close(p[0]);  // A не читает
		close(p[1]);
		execvp(sas[0], sas);
		_exit(127);
	}
	close(p[1]);
	FILE *r = fdopen(p[0], "r");
	for (int i = 0;1 == 1;i++){
		fgets(inbuf, sizeof inbuf, r);
		ret = sscanf(inbuf, "%i %i %i %i %i %i %i %i", &B[0], &B[1], &B[2], &B[3], &B[4], &B[5], &B[6], &B[7]);
		for (int i = 0; i != 10; i++){
			if (B[i] > Bm_pre[i]) Bm_pre[i] = B[i];
		}
		printf("B0 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[0]/10*-1), B[0], Bm[0]); //B0
		printf("B1 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[1]/10*-1), B[1], Bm[1]); //B1
		printf("B2 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[2]/10*-1), B[2], Bm[2]); //B2
		printf("B3 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[3]/10*-1), B[3], Bm[3]); //B3
		printf("B4 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[4]/10*-1), B[4], Bm[4]); //B4
		printf("B5 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[5]/10*-1), B[5], Bm[5]); //B5
		printf("B6 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[6]/10*-1), B[6], Bm[6]); //B6
		printf("B7 [%.*s] OUT: %3d PK: %3d\n", 10, SB + 10 + (B[7]/10*-1), B[7], Bm[7]); //B7
		printf("\033[2J\033[H");
		if (i >= 10){
			memcpy(Bm, Bm_pre, sizeof Bm_pre);
			memset(Bm_pre, 0, sizeof Bm_pre);
			i = 0;
		}
	}
    return 0;
}