#!/bin/bash
#podobno delo delajo programi tree in ls -lR $PWD/*

#Ce prvi argument ni podan, ga nastavi na trenutni direktorij
if [ -z $1 ]; then
    args0=$PWD
else
    args0=$1
fi

#Ce drugi argument ni podan, ga nastavi na max globino 3
if [ -z $2 ]; then
    args1=3
else
    args1=$2
fi

#trenutna mapa
echo -e "DIR \t "$PWD" ($( ls -ld | awk '{print $1}'))"

#Kot prvi argument funkciji podamo direktorij
#Kot drugi argument funkciji podamo maxGlobino
#Kot tretji argument funckiji podamo trenutno
function listDirectory {
    local ar1=$1
    local ar2=$2
    local ar3=$3
    echo $ar1, $ar2, $ar3
    #pripravi pomisljaje za graficno oznako globine
    crte=$(for (( i=0; i<$ar3; i++ )) do echo -ne "--"; done)
    #Zaustavitveni pogoj za rekurzijo
    while [ "$ar2" -gt "0" ]; do
        #beri vsebino mape
        cd $ar1
        ls -1 | while read f; do
        #checks
            if [ -d "$f" ]; then #if directory
                echo -n $crte
                echo -e "DIR \t "$f" ($( echo $f | sed 's/\ /\\\ /g' | xargs  ls -ld | awk '{print $1}'))"
                let ar2--
                let ar3++
                #echo $f, $ar2, $ar3
                #relativno ime mape spremenimo v absolutno
                ar1=$PWD/$f
                listDirectory $ar1 $ar2 $ar3
            elif [ -f "$f" ]; then #if file
                echo -n $crte
                echo -e "FILE \t "$f" ($( echo $f | sed 's/\ /\\\ /g' | xargs ls -l | awk '{print $5}'))"
            elif [ test -b "$f" ]; then #if block
                echo -n $crte
                echo -e "BLOCK \t "$f
            elif [ test -c "$f" ]; then #if character
                echo -n $crte
                echo -e "CHAR \t "$f
            elif [ test -L "$f" ]; then #if link
                echo -n $crte
                echo -e "LINK \t "$f" $( echo $f | sed 's/\ /\\\ /g' | xargs ls -l | awk '{print $9, $10}')"
            elif [ test -p "$f" ]; then #if pipe
                echo -n $crte
                echo -e "PIPE \t "$f
            elif [ test -S "$f" ]; then #if socket
                echo -n $crte
                echo -e "SOCKET \t "$f
            else  #fila se ne da prepoznati
                echo Kaj je to?
                exit 1
            fi
#               let ar2++
#               #samo files (odstrani 'h', če hoče samo byte):
#               ls -lh $ar1 | grep ^- | awk '{print $8, "("$5")"}' | xargs -I {} echo -e $crte"FILE \t {}"
#               #samo links:
#               ls -l $ar1 | grep ^l | awk '{print $8, $9, $10}' | xargs -I {} echo -e $crte"LINK \t {}"
#               cd ..
        done
    done
}

#poklicemo funkcijo
listDirectory $args0 $args1 0
exit 0