#!/bin/bash

######################################################################
# dmenu_fbrun - dmenu script that simulates 'rofi -show filebrowser' #
#                                                                    #
# Author: q3aql <q3aql@duck.com>                                     #
# Last update: 20-11-2022                                            #
######################################################################

# Configuration variables
load_theme_path="${HOME}/.dmenu"
load_themes="${load_theme_path}/themes"
load_theme_file="${load_theme_path}/load_theme"

function load_theme() {
  if [ -f "${load_theme_file}" ] ; then
    source "${load_theme_file}"
  else
    mkdir -p "${load_theme_path}"
    mkdir -p "${load_themes}"
    echo "#!/bin/bash" > ${load_theme_file}
    echo "" >> ${load_theme_file}
    echo "NFCOLOR=\"#bbbbbb\"" >> ${load_theme_file}
    echo "NBCOLOR=\"#1f1f35\"" >> ${load_theme_file}
    echo "SFCOLOR=\"#eeeeee\"" >> ${load_theme_file}
    echo "SBCOLOR=\"#664477\"" >> ${load_theme_file}
    source "${load_theme_file}"
  fi
}

function generate_spaces() {
  num_spaces=${1}
  count_spaces=1
  while [ ${count_spaces} -le ${num_spaces} ] ; do
    echo -n " "
    count_spaces=$(expr ${count_spaces} + 1)
  done
}

function show_icon_tree() {
  ls -1 | while read current ; do
    if [ -f "${current}" ] ; then
      echo "  ${current}"
    elif [ -d "${current}" ] ; then
      echo "  ${current}"
    else
      echo "  ${current}"
    fi
  done
  generate_spaces 75
}

function remove_icon() {
  entry="${@}"
  remove_icon_space=0
  read_entry=$(echo "${entry}" | grep "  ")
  if ! [ -z "${read_entry}" ] ; then
    remove_icon_space=1
  fi
  read_entry=$(echo "${entry}" | grep "  ")
  if ! [ -z "${read_entry}" ] ; then
    remove_icon_space=1
  fi
  read_entry=$(echo "${entry}" | grep "  ")
  if ! [ -z "${read_entry}" ] ; then
    remove_icon_space=1
  fi
  if [ ${remove_icon_space} -eq 1 ] ; then
    show_output=$(echo "${entry}" | cut -c4-999 | tr -s " " | cut -c2-999)
    echo "${show_output}"
  else
   echo "${entry}"
  fi 
}

load_theme
file=1
while [ "${file}" ]; do
  file_icon=$(show_icon_tree | dmenu -i -nb "${NBCOLOR}" -nf "${NFCOLOR}" -sb "${SBCOLOR}" -sf "${SFCOLOR}" -l 18 -p " filebrowser: $(basename $(pwd))")
  file=$(remove_icon "${file_icon}")
  echo "# ${file} #"
  if [ -e "${file}" ]; then
    owd=$(pwd)
    if [ -d "${file}" ]; then
      cd "${file}"
    else [ -f "${file}" ]
      if which xdg-open &> /dev/null; then
        exec xdg-open "${owd}/${file}" &
        unset file
      fi
    fi
  fi
done