#!/bin/bash

##############################################################
# dmenu_drun - dmenu script that simulates 'rofi -show drun' #
#                                                            #
# Author: q3aql <q3aql@duck.com>                             #
# Last update: 29-05-2022                                    #
##############################################################

desktop_files="/usr/share/applications"
desktop_files_home="${HOME}/.local/share/applications"

list_desktop_files() {
  if [ -d "${desktop_files}" ] ; then
    ls -1 "${desktop_files}/" | grep ".desktop"
  fi
  if [ -d "${desktop_files_home}" ] ; then
    ls -1 "${desktop_files_home}/" | grep ".desktop"
  fi
}

list_desktop_icons() {
  list_desktop_files | while read current_desktop ; do
    echo "  ${current_desktop}"
  done
}

rundesk () {
  if [ -z ${1} ] ; then
    echo "No file entry"
  else
    if [ -f "${1}" ] ; then
      eval "$(awk -F= '$1=="Exec"{$1=""; print}' "$1")"
    else
      echo "File does not exist"
    fi
  fi
}

if [ -f /usr/bin/dex ] ; then
  runDesktop="dex"
else
  runDesktop="rundesk"
fi

list_output=$(list_desktop_icons | dmenu "$@" -p " drun:")
run_output=$(echo ${list_output} | cut -c 4-999)
system_file=$(echo -n ${desktop_files}/ ; echo ${run_output})
home_file=$(echo -n ${desktop_files_home}/ ; echo ${run_output})
if [ -f "${system_file}" ] ; then
  ${runDesktop} "${system_file}"
elif [ -f "${home_file}" ] ; then
  ${runDesktop} "${home_file}"
fi