#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

int main(int argc, char *argv[]) {
    // 1. Check if the filename was provided via argv
    if (argc < 2) {
        fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
        return EXIT_FAILURE;
    }

    struct stat file_stats;

    // 2. Pass the filename to the lstat syscall
    if (lstat(argv[1], &file_stats) < 0) {
        perror("lstat error");
        return EXIT_FAILURE;
    }

    // 3. Display some basic metadata
    printf("Information for: %s\n", argv[1]);
    printf("---------------------------\n");
    printf("File Size: \t\t%lld bytes\n", (long long)file_stats.st_size);
    printf("Number of Links: \t%ld\n", (long)file_stats.st_nlink);
    printf("File inode: \t\t%ld\n", (long)file_stats.st_ino);

    // 4. Determine file type using macros
    printf("File Type: \t\t");
    if (S_ISLNK(file_stats.st_mode)) printf("Symbolic Link\n");
    else if (S_ISREG(file_stats.st_mode)) printf("Regular File\n");
    else if (S_ISDIR(file_stats.st_mode)) printf("Directory\n");
    else printf("Other\n");

    return EXIT_SUCCESS;
}