#include <stdlib.h>
#include <stdio.h>
#include <time.h>

int main() {
  FILE *logfile; // Pointer to file structure
  char message[100];
  time_t current_time;

  // Open file for appending ("a" mode)
  // "w" would overwrite, "r" would read
  logfile = fopen("owltech.log", "a");

  // Always check if file opened successfully
  if (logfile == NULL) {
    printf("Error: Could not open log file\n");
    return 1; // Return non-zero to indicate error
  }

  printf("Enter log message: ");
  fgets(message, sizeof(message), stdin);

  // Get current time
  time(&current_time);

  // Write to file with timestamp
  // fprintf works like printf but writes to a file
  fprintf(logfile, "[%s] %s", ctime(&current_time), message);

  // Always close files when done
  fclose(logfile);
  printf("Log entry saved successfully!\n");

  // Display the log file contents
  printf("\n--- Current Log Contents ---\n");
  system("cat owltech.log");

  return 0;
}