# Check maxdepth

if [[ $maxdepth -ne 0 && $depth -gt $maxdepth ]]; then

    return

fi



# Get sorted directories and files

local entries=("$dir"/*)

local dirs=()

local files=()



for e in "${entries[@]}"; do

    [[ -d "$e" ]] && dirs+=("$e")

    [[ -f "$e" ]] && files+=("$e")

done



# Process directories first

local count=${#dirs[@]}

for i in "${!dirs[@]}"; do

    local d="${dirs[i]}"

    local branch="├──"

    [[ $i -eq $((count-1)) ]] && branch="└──"

    echo "${prefix}${branch} ${d##*/}"

    # Recurse into subdirectory

    local new_prefix="$prefix"

    [[ $i -eq $((count-1)) ]] && new_prefix+="    " || new_prefix+="│   "

    print_tree "$d" "$new_prefix" "$maxdepth" $((depth+1))

done



# Then files

count=${#files[@]}

local file_count=0

for i in "${!files[@]}"; do

    local f="${files[i]}"

    local branch="├──"

    [[ $i -eq $((count-1)) ]] && branch="└──"

    # get human-readable size

    local size

    if command -v stat >/dev/null 2>&1; then

        # Linux/macOS compatible

        size=$(stat -c "%s" "$f" 2>/dev/null || stat -f "%z" "$f")

    else

        size="?"

    fi

    # convert size to human-readable

    local hr_size

    if [[ "$size" =~ ^[0-9]+$ ]]; then

        if [ "$size" -lt 1024 ]; then

            hr_size="${size}B"

        elif [ "$size" -lt $((1024*1024)) ]; then

            hr_size="$((size/1024))K"

        elif [ "$size" -lt $((1024*1024*1024)) ]; then

            hr_size="$((size/1024/1024))M"

        else

            hr_size="$((size/1024/1024/1024))G"

        fi

    else

        hr_size="?"

    fi



    echo "${prefix}${branch} ${f##*/} [${hr_size}]"

    ((file_count++))

done



# Print total files count in this directory

if [ $file_count -gt 0 ]; then

    echo "${prefix}└── Total files: $file_count"

fi