#!/bin/bash

##############################################################
# dmenu_drun - dmenu script that simulates 'rofi -show drun' #
#                                                            #
# Author: q3aql <q3aql@duck.com>                             #
# Last update: 10-07-2022                                    #
##############################################################

# Configuration variables
load_theme_path="${HOME}/.dmenu"
load_themes="${load_theme_path}/themes"
load_theme_file="${load_theme_path}/load_theme"
desktop_files="/usr/share/applications"
desktop_files_home="${HOME}/.local/share/applications"

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 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
}

function 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" | head -1)"
    else
      echo "File does not exist"
    fi
  fi
}

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

load_theme
list_output=$(list_desktop_icons | dmenu -i -nb "${NBCOLOR}" -nf "${NFCOLOR}" -sb "${SBCOLOR}" -sf "${SFCOLOR}" -p " drun:")
run_output=$(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