#!/bin/bash

# install-debian-kernel script lets you install the default Debian's Linux kernel
# Copyright 2018-2020 Paweł "pavroo" Pijanowski <pavroo@onet.eu>
# Licensed under the GPLv2 license see /usr/share/common-licenses/GPL-2
# Created 2018/02/18
# Last update 2020/10/05

# get default's locale file
DEFLOCDIR="/usr/share/pearl/pearl-aptus"
if [ "`cat /etc/default/locale | grep LANG= | grep de`" != "" ]; then
. $DEFLOCDIR/de
elif [ "`cat /etc/default/locale | grep LANG= | grep el`" != "" ]; then
. $DEFLOCDIR/el
elif [ "`cat /etc/default/locale | grep LANG= | grep es`" != "" ]; then
. $DEFLOCDIR/es
elif [ "`cat /etc/default/locale | grep LANG= | grep fr`" != "" ]; then
. $DEFLOCDIR/fr
elif [ "`cat /etc/default/locale | grep LANG= | grep hu`" != "" ]; then
. $DEFLOCDIR/hu
elif [ "`cat /etc/default/locale | grep LANG= | grep id_ID`" != "" ]; then
. $DEFLOCDIR/id_ID
elif [ "`cat /etc/default/locale | grep LANG= | grep it`" != "" ]; then
. $DEFLOCDIR/it
elif [ "`cat /etc/default/locale | grep LANG= | grep ja`" != "" ]; then
. $DEFLOCDIR/ja
elif [ "`cat /etc/default/locale | grep LANG= | grep pl`" != "" ]; then
. $DEFLOCDIR/pl
elif [ "`cat /etc/default/locale | grep LANG= | grep pt_BR`" != "" ]; then
. $DEFLOCDIR/pt_BR
elif [ "`cat /etc/default/locale | grep LANG= | grep pt_PT`" != "" ]; then
. $DEFLOCDIR/pt_PT
elif [ "`cat /etc/default/locale | grep LANG= | grep ru`" != "" ]; then
. $DEFLOCDIR/ru
elif [ "`cat /etc/default/locale | grep LANG= | grep zh_CN`" != "" ]; then
. $DEFLOCDIR/zh_CN
else
. $DEFLOCDIR/en
fi

testroot="`whoami`"
if [ "$testroot" != "root" ]; then
	echo " Must be root... Exiting"
	exit 1
fi

DIALOG="yad --window-icon=prefernces-other --width=450 --height=200 --center"
TITLE="--always-print-result --dialog-sep --image=preferences-other --title="
TEXT="--text="
MENU="--list --column=$LOCAL21 --column=$LOCAL22"
OKEXIT=" --button=Ok:0 --button=$LOCAL24:1"
MSGBOX="--button=Ok:0"
TITLETEXT="$LOCAL70"
ARCH=`uname -r | grep "amd64"`
TESTDEBIAN64=`dpkg-query -l | grep linux-image-amd64`
TESTDEBIAN32=`dpkg-query -l | grep linux-image-686 | grep -v pae`
TESTDEBIAN32PAE=`dpkg-query -l | grep linux-image-686-pae`
if [ -f /usr/bin/pearl-xterm ];then
	PEARLXTERM="/usr/bin/pearl-xterm"
else
	echo "pearl-xterm is missing... Exiting..."
	exit 1
fi

# check connection
PINGTEST=$(ping -c 1 pearllinux.org | grep [0-9])

if [ "$PINGTEST" = "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"\n$LOCAL16"
	exit 1
fi

# check arm arch
ARCHARM="`uname -m | grep arm`"
if [ "$ARCHARM" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"\n$LOCAL66"
	exit 1
fi

mainmenu () {
CHOICES=`$DIALOG $TITLE"$TITLETEXT" $OKEXIT $MENU $TEXT"$LOCAL26" \
NON_PAE "$LOCAL72" \
PAE "$LOCAL73" \
64 "$LOCAL74" \
Exit "$LOCAL30"`

if [ "$?" = "0" ]; then
	CHOICE=`echo $CHOICES | cut -d "|" -f 1`
else
	exit 0
fi

if [ "$CHOICE" = "NON_PAE" ]; then
	nonpaemenu
elif [ "$CHOICE" = "PAE" ]; then
	paemenu
elif [ "$CHOICE" = "64" ]; then
	amd64menu
elif [ "$CHOICE" = "Exit" ]; then
	exit 0
else
	exit 0
fi
}

nonpaemenu () {
if [ "$ARCH" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL31"
	mainmenu
fi

# check is the Debian kernel installed already
if [ "$TESTDEBIAN32" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL71"
	mainmenu
fi

# install i686 NON-PAE Debian kernel and headers
$PEARLXTERM "apt-get update"
$PEARLXTERM "apt-get install linux-image-686 linux-headers-686"

$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL75"
exit 0
}

paemenu () {
if [ "$ARCH" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL14"
	mainmenu
fi

# check is the Debian kernel installed already
if [ "$TESTDEBIAN32PAE" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL71"
	mainmenu
fi

# install i686 PAE Debian kernel and headers
$PEARLXTERM "apt-get update"
$PEARLXTERM "apt-get install linux-image-686-pae linux-headers-686-pae"

$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL75"
exit 0
}

amd64menu () {
if [ "$ARCH" = "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL33"
	mainmenu
fi

# check is the Debian kernel installed already
if [ "$TESTDEBIAN64" != "" ]; then
	$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL71"
	mainmenu
fi

# install 64 bit Debian kernel and headers
$PEARLXTERM "apt-get update"
$PEARLXTERM "apt-get install linux-image-amd64 linux-headers-amd64"

$DIALOG $TITLE"$TITLETEXT" $MSGBOX $TEXT"$LOCAL75"
exit 0
}

mainmenu
