#!/bin/bash

function countFiles {
    IFS="
    "
    #statements
    nf=$(ls -l "$1" | grep "^-.*" | wc -l)  # count all files
    nd=$(ls -l "$1" | grep "^d.*" | wc -l)  # count lines of all dirs in thing
    fles=$(expr "$fles" + "$nf")
    dirs=$(expr "$dirs" + "$nd")

    for i in $(ls -l "$1" | grep "^d.*" | grep -o "[^ ]\+$")  # for every directory in current dir
    do
        # echo "2: $2"
        countFiles "$2/$i" "$2/$i"  # count that directory
    done
}

function countHidden {
    IFS="
    "
    #statements
    nhf=$(ls -la "$1"  | grep "^-.*" | wc -l)  # count all files
    nhd=$(ls -la "$1"  | grep "^d.*[^\.]$" | wc -l)  # count lines of all dirs in thing EXCEPT . and ..
    truefiles=$(expr "$truefiles" + "$nhf")
    truedirs=$(expr "$truedirs" + "$nhd")

    for i in $(ls -la "$1"  | grep "^d.*[^\.]$" | grep -o "[^ ]\+$")  # for every directory in current dir
    do
        # echo "2: $2"
        countHidden "$2/$i" "$2/$i"  # count that directory
    done
}

function main {
    #statements
    fles=0
    dirs=0
    truefiles=0
    truedirs=0

    countFiles $1 $1
    countHidden $1 $1

    diffhidden=$(expr "$truefiles" - "$fles")
    diffhiddir=$(expr "$truedirs" - "$dirs")

    echo "Files found: $fles (plus $diffhidden hidden)"
    echo "Directories found: $dirs (plus $diffhiddir hidden)"
    echo "Total files and directories: $(expr "$truefiles" + "$truedirs")"

}

main $1