#include <stddef.h>
#include <sys/types.h>
#define _GNU_SOURCE
#include "ui-socket.h"
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>

int init_ui_socket(const char *filename) {
  char line[256];
  FILE *fp;

  // Test if Zenity is installed (get version)
  fp = popen("zenity --version", "r");
  if (fp == NULL) {
    perror("Pipe returned a error");
    return 1;
  } else {
    while (fgets(line, sizeof(line), fp))
      printf("%s", line);
    pclose(fp);
    return 0;
  }
}

/*
 * This function is called from the FUSE operations functions. Those are called
 * from separate threads. Therefore, there can be multiple threads that try to
 * ask for access at the same time, but we have to
 */

int ask_access(const char *filename, struct process_info pi) {

  FILE *fp;
  size_t command_len =
      139 + sizeof(pid_t) * 8 + strlen(pi.name) + strlen(filename);
  char *command = (char *)malloc(command_len);
  snprintf(command, command_len,
           "zenity --question --title \"Allow Access?\" --text \"Allow process "
           "<tt>%s</tt> with PID <tt>%d</tt> to access <tt>%s</tt>\"",
           pi.name, pi.PID, filename);
  // Zenity Question Message Popup
  fp = popen(command, "r");
  free(command);
  if (fp == NULL) {
    perror("Pipe returned a error");
    return -1;
  } else {
    return WEXITSTATUS(pclose(fp));
  }
}