#include<sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <iostream>
#include <time.h>

using namespace std;

void PrintPerm(mode_t mode, int flag, string phrase) {
   if (mode & flag) {
      cout <<"\t\t" << phrase << endl;
   }
   return;
}

void PrintPerms(mode_t mode) {
     PrintPerm(mode, S_IRUSR, "User Read");
     PrintPerm(mode, S_IWUSR, "User Write");
     PrintPerm(mode, S_IXUSR, "User Execute");

     PrintPerm(mode, S_IRGRP, "Group Read");
     PrintPerm(mode, S_IWGRP, "Group Write");
     PrintPerm(mode, S_IXGRP, "Group Execute");

     PrintPerm(mode, S_IROTH, "Other Read");
     PrintPerm(mode, S_IWOTH, "Other Write");
     PrintPerm(mode, S_IXOTH, "Other Execute");

     return ;
}

void PrintType(mode_t mode) {
    cout << "\tIt is a "; 
    if (S_ISREG(mode)) {
       cout << "regular file";
    } else if (S_ISDIR(mode)) {
       cout << "directory";
    } else if (S_ISCHR(mode)) {
       cout << "character special file";
    } else if (S_ISBLK(mode)) {
       cout << "block special file";
    } else if (S_ISFIFO(mode)) {
       cout << "pipe";
    } else if (S_ISSOCK(mode)) {
       cout << "socket";
    } else if (S_ISLNK(mode)) {
       cout << "symbolic link";
    }
    cout << endl;

    return;
}


void PrintReport(string file, const struct stat & buf) {
    cout <<"Report for " << file << endl;
    cout <<"\tDevice major: " << major(buf.st_dev) << endl;
    cout <<"\t       minor: " << minor(buf.st_dev) << endl;
    cout <<"\tInode Number: " << buf.st_ino << endl;
    cout <<"\tLinks       : " << buf.st_nlink << endl;
    cout <<"\tUID	  : " << buf.st_uid << endl;
    cout <<"\tGID	  : " << buf.st_gid << endl;
    cout <<"\tSize	  : " << buf.st_size << endl;
    cout <<"\tAccess Time : " << ctime(&buf.st_atime);
    cout <<"\tModify Time : " << ctime(&buf.st_mtime);
    cout <<"\tStatus Time : " << ctime(&buf.st_ctime);

    PrintPerms(buf.st_mode);
    PrintType(buf.st_mode);

    return;
}

int main(int argc, char * argv[]) {
   struct stat buf;
   int i;

   for(i=1;i<argc;i++) {
       if(lstat(argv[i],&buf)!= 0) {
          cout << "Could not stat " << argv[i] << endl;
       } else {
          PrintReport(argv[i],buf);
       }
       cout << endl;
   }

   return 0;
}