#!/bin/bash
#
# By Maxim F. Stewart
# Contact: [maxim2131@gmail.com] OR [gamer1119@gmail.com]
#
# Copyright 2013 Maxim F. Stewart
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#---------------------------------------------------------------------------------------#

pre()
{
if [ -d /tmp/sysMENU/ ]; then
mainMENU;
else
startScan;
fi
}

mainMENU()
{
INPUT=/tmp/menu.txt
dialog --clear --backtitle "Shellmen" \
--title "[ M A I N - M E N U ]" \
--menu "Please Select An Option" 16 50 15 \
Accessories "General Programs" \
System "Main System Programs" \
Settings "Main System Settings" \
Multimedia "Audio & Video Programs" \
Graphics "Image Programs" \
Games "Gaming Programs" \
Office "Wordprocess & Documents Programs" \
Development "Programing Programs" \
Internet "Various Internet Related Programs" \
Wine "Windows Exe & Program Support" 2>"${INPUT}"
menuitem=$(<"${INPUT}")
case $menuitem in
	Accessories) bash /tmp/sysMENU/Accessories.sh ;;
	System) bash /tmp/sysMENU/System.sh ;;
	Settings) bash /tmp/sysMENU/Settings.sh ;;
	Multimedia) bash /tmp/sysMENU/Multimedia.sh ;;
	Graphics) bash /tmp/sysMENU/Graphics.sh ;;
	Games) bash /tmp/sysMENU/Game.sh ;;
	Office) bash /tmp/sysMENU/Office.sh ;;
	Development) bash /tmp/sysMENU/Development.sh ;;
	Internet) bash /tmp/sysMENU/Internet.sh ;;
	Wine) bash /tmp/sysMENU/Wine.sh ;;
	Exit) echo "Bye!"; break ;;
esac
}

startScan()
{
clear
accss="Accessories"
util="Utility"
media="Multimedia"
vid="Video" 
audio="Audio"
dev="Development"
gme="Game"
net="Network"
int="Internet"
graph="Graphics"
offce="Office"
sys="System"
settngs="Settings"
wine="Wine"
mkdir /tmp/sysMENU
touch /tmp/sysMENU/menu.list ;
sed -i "d" /tmp/sysMENU/menu.list ;
ls /usr/share/applications/ >> /tmp/sysMENU/menu.list ;
header=$(echo "#!/bin/bash
INPUT=/tmp/menu.txt
dialog --clear --backtitle "\"Shellmen"\" \\
--title "\"[ S U B - M E N U ]"\" \\
--menu "\"Please Select An Option"\" 15 50 10 \\
Main_Menu "\"Goes To Main Menu"\" \\")
echo "$header" > /tmp/sysMENU/${accss}.sh
echo "$header" > /tmp/sysMENU/${dev}.sh
echo "$header" > /tmp/sysMENU/${gme}.sh
echo "$header" > /tmp/sysMENU/${int}.sh
echo "$header" > /tmp/sysMENU/${graph}.sh
echo "$header" > /tmp/sysMENU/${offce}.sh
echo "$header" > /tmp/sysMENU/${media}.sh
echo "$header" > /tmp/sysMENU/${sys}.sh
echo "$header" > /tmp/sysMENU/${settngs}.sh
echo "$header" > /tmp/sysMENU/${wine}.sh
menuHeaderInsert;
}

menuHeaderInsert()
{
x=$(cat /tmp/sysMENU/menu.list | wc -l) >> /dev/null ; # Variable set to number of lines filled in list.txt
i="1"
while [ $i -le $x ]; do
line1=$(sed -n "${i}p" /tmp/sysMENU/menu.list); # Reads the number of lines in list.txt then sets as a variable counting up to variable x
filename="${line1%.*}"
execMethod=$(grep -A 0 "Exec=" /usr/share/applications/"$line1")
catagory=$(grep -A 0 "Categories=" /usr/share/applications/"$line1")
preComment=$(grep -A 0 "Comment=" /usr/share/applications/"$line1")
comment=$(sed s/"Comment="//g <<< ${preComment})
inputer=$(echo "$filename "\"$comment"\" \\")
if [[ "$catagory" == *"$accss"* ]] || [[ "$catagory" == *"$util"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${accss}.sh
	elif [[ "$catagory" == *"$dev"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${dev}.sh
	elif [[ "$catagory" == *"$gme"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${gme}.sh
	elif [[ "$catagory" == *"$int"* ]] || [[ "$catagory" == *"$net"* ]] ; then
		echo "$inputer" >> /tmp/sysMENU/${int}.sh
	elif [[ "$catagory" == *"$graph"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${graph}.sh
	elif [[ "$catagory" == *"$offce"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${offce}.sh
	elif [[ "$catagory" == *"$media*" ]] \
		|| [[ "$catagory" == *"$vid"* ]] \
		|| [[ "$catagory" == *"$audio"* ]]; then
			echo "$inputer" >> /tmp/sysMENU/${media}.sh
	elif [[ "$catagory" == *"$sys"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${sys}.sh
	elif [[ "$catagory" == *"$settngs"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${settngs}.sh
	elif [[ "$catagory" == *"$wine"* ]]; then
		echo "$inputer" >> /tmp/sysMENU/${wine}.sh
fi
i=$[$i++1];
done
endMenuInsert=$(echo "2>"\"'${INPUT}'"\"")
menuitmVar=$(echo 'menuitem=$(<"${INPUT}")')
preCMD=$(echo "case \$menuitem in")
menuCall=$(echo "Main_Menu) bash /bin/shellMen ;;")
echo "$endMenuInsert" >> /tmp/sysMENU/${accss}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${accss}.sh
echo "$preCMD" >> /tmp/sysMENU/${accss}.sh
echo "$menuCall" >> /tmp/sysMENU/${accss}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${dev}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${dev}.sh
echo "$preCMD" >> /tmp/sysMENU/${dev}.sh
echo "$menuCall" >> /tmp/sysMENU/${dev}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${gme}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${gme}.sh
echo "$preCMD" >> /tmp/sysMENU/${gme}.sh
echo "$menuCall" >> /tmp/sysMENU/${gme}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${int}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${int}.sh
echo "$preCMD" >> /tmp/sysMENU/${int}.sh
echo "$menuCall" >> /tmp/sysMENU/${int}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${graph}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${graph}.sh
echo "$preCMD" >> /tmp/sysMENU/${graph}.sh
echo "$menuCall" >> /tmp/sysMENU/${graph}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${offce}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${offce}.sh
echo "$preCMD" >> /tmp/sysMENU/${offce}.sh
echo "$menuCall" >> /tmp/sysMENU/${offce}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${media}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${media}.sh
echo "$preCMD" >> /tmp/sysMENU/${media}.sh
echo "$menuCall" >> /tmp/sysMENU/${media}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${sys}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${sys}.sh
echo "$preCMD" >> /tmp/sysMENU/${sys}.sh
echo "$menuCall" >> /tmp/sysMENU/${sys}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${settngs}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${settngs}.sh
echo "$preCMD" >> /tmp/sysMENU/${settngs}.sh
echo "$menuCall" >> /tmp/sysMENU/${settngs}.sh
echo "$endMenuInsert" >> /tmp/sysMENU/${wine}.sh
echo "$menuitmVar" >> /tmp/sysMENU/${wine}.sh
echo "$preCMD" >> /tmp/sysMENU/${wine}.sh
echo "$menuCall" >> /tmp/sysMENU/${wine}.sh
commandInsert;
}

commandInsert()
{
x=$(cat /tmp/sysMENU/menu.list | wc -l) >> /dev/null ;
i="1"
while [ $i -le $x ]; do
line1=$(sed -n "${i}p" /tmp/sysMENU/menu.list);
filename="${line1%.*}"
execMethod=$(grep -A 0 "Exec=" /usr/share/applications/"$line1")
catagory=$(grep -A 0 "Categories=" /usr/share/applications/"$line1")
preComment=$(grep -A 0 "Comment=" /usr/share/applications/"$line1")
execCMD=$(echo "${filename}) exec ${filename} ;;")
if [[ "$catagory" == *"$accss"* ]] || [[ "$catagory" == *"$util"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${accss}.sh
	elif [[ "$catagory" == *"$dev"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${dev}.sh
	elif [[ "$catagory" == *"$gme"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${gme}.sh
	elif [[ "$catagory" == *"$int"* ]] || [[ "$catagory" == *"$net"* ]] ; then
		echo "$execCMD" >> /tmp/sysMENU/${int}.sh
	elif [[ "$catagory" == *"$graph"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${graph}.sh
	elif [[ "$catagory" == *"$offce"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${offce}.sh
	elif [[ "$catagory" == *"$media*" ]] \
		|| [[ "$catagory" == *"$vid"* ]] \
		|| [[ "$catagory" == *"$audio"* ]]; then
			echo "$execCMD" >> /tmp/sysMENU/${media}.sh
	elif [[ "$catagory" == *"$sys"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${sys}.sh
	elif [[ "$catagory" == *"$settngs"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${settngs}.sh
elif [[ "$catagory" == *"$wine"* ]]; then
		echo "$execCMD" >> /tmp/sysMENU/${wine}.sh
fi
i=$[$i++1];
done	
echo "esac" >> /tmp/sysMENU/${accss}.sh
echo "esac" >> /tmp/sysMENU/${dev}.sh
echo "esac" >> /tmp/sysMENU/${gme}.sh
echo "esac" >> /tmp/sysMENU/${int}.sh
echo "esac" >> /tmp/sysMENU/${graph}.sh
echo "esac" >> /tmp/sysMENU/${offce}.sh
echo "esac" >> /tmp/sysMENU/${media}.sh
echo "esac" >> /tmp/sysMENU/${sys}.sh
echo "esac" >> /tmp/sysMENU/${settngs}.sh
echo "esac" >> /tmp/sysMENU/${wine}.sh
chmod +x /tmp/sysMENU/*.sh
mainMENU;
}
pre;