#!/bin/bash

##################################################################
# wofi_drun - wofi-dmenu script that simulates 'rofi -show drun' #
#                                                                #
# Author: q3aql <q3aql@duck.com>                                 #
# Last update: 04-01-2023                                        #
##################################################################

# Configuration variables
load_theme_path="${HOME}/.wofi"
load_desktop_files="${HOME}/.wofi/desktop"
desktop_files="/usr/share/applications"
desktop_files_home="${HOME}/.local/share/applications"

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 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() {
  echo "   Scan New Desktop Files"
  ls -1 "${load_desktop_files}/" | while read current_desktop ; do
    echo "   ${current_desktop}"
  done
  generate_spaces 75
}

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
}

function create_list_files() {
  mkdir -p ${load_desktop_files}
  if [ ! -f ${HOME}/.dmenu/read_list ] ; then
    echo "0" > ${HOME}/.dmenu/read_list
  fi
  exec_list=$(cat ${HOME}/.dmenu/read_list)
  if [ ${exec_list} -eq 0 ] ; then
    rm -rf ${load_desktop_files}/*
    list_desktop_files | while read current_file ; do
      if [ -f "${desktop_files}/${current_file}" ] ; then
        name_show=$(cat "${desktop_files}/${current_file}" | grep "Name=" | head -1 | cut -d "=" -f 2 | sed 's/\//|/g')
        if [ ! -z "${name_show}" ] ; then
          echo "${desktop_files}/${current_file}" > "${load_desktop_files}/${name_show}"
        fi
      fi
      if [ -f "${desktop_files_home}/${current_file}" ] ; then
        name_show=$(cat "${desktop_files_home}/${current_file}" | grep "Name=" | head -1 | cut -d "=" -f 2 | sed 's/\//|/g')
        if [ ! -z "${name_show}" ] ; then 
          echo "${desktop_files_home}/${current_file}" > "${load_desktop_files}/${name_show}"
        fi
      fi
    done
    echo "1" > ${HOME}/.dmenu/read_list 
  fi
}

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

create_list_files
list_output=$(list_desktop_icons | wofi --dmenu -i -p "  drun")
run_output=$(echo ${list_output} | cut -c 5-999)
if [ ! -z "${run_output}" ] ; then
  if [ "${run_output}" == "Scan New Desktop Files" ] ; then
    echo "0" > ${HOME}/.dmenu/read_list
    create_list_files
    $0
  else
    run_desktop_file=$(cat "${load_desktop_files}/${run_output}")
    ${runDesktop} "${run_desktop_file}"
  fi
fi