#!/bin/sh

set -e

apt-get install -y git wget ctorrent debconf
cd /srv
wget http://ftp.debian.org/debian/dists/stable/main/installer-amd64/current/images/hd-media/gtk/initrd.gz http://ftp.debian.org/debian/dists/stable/main/installer-amd64/current/images/hd-media/gtk/vmlinuz http://ftp.debian.org/debian/pool/main/u/util-linux/fdisk-udeb_2.33.1-0.1_amd64.udeb
mkdir initrd_with_fdisk
cd initrd_with_fdisk
gunzip -c ../initrd.gz | cpio -id
dpkg-deb -x ../fdisk-udeb_2.33.1-0.1_amd64.udeb .
find . | cpio --create --format='newc' | gzip -9 > ../initrd.gz
cd ..
rm -rf initrd_with_fdisk fdisk-udeb_2.33.1-0.1_amd64.udeb

cat <<EOT >> /srv/download.sh
#!/bin/bash
wget https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.10.0-amd64-netinst.iso
#wget https://cdimage.debian.org/debian-cd/current/amd64/bt-dvd/debian-12.10.0-amd64-DVD-1.iso.torrent
#ctorrent debian-12.10.0-amd64-DVD-1.iso.torrent

EOT

chmod 755 download.sh

git clone https://salsa.debian.org/installer-team/babelbox.git
cd babelbox

echo "" > preseed_early
cat <<EOT >> preseed_early
#!/bin/sh

# Script run at the beginning of the installation (as set in preseed.cfg).

set -e

. /usr/share/debconf/confmodule
db_subst babelbox/info LANGNAME "German" || true
db_info babelbox/info || true

mkdir -p /lib/partman/init.d
cp /hd-media/srv/babelbox/00del_partition /lib/partman/init.d/

apt-install alsa-base || true
apt-install alsa-utils || true

exit 0

EOT

echo "" > langlist
cat <<EOT >> langlist
de_DE::German
EOT

echo "" > babelbox-grub
cat <<EOT >> babelbox-grub
menuentry 'BabelBox install' --class debian --class gnu-linux --class gnu --class os {
        insmod part_msdos
        insmod ext2
        set root='(hd0,1)'
        echo    'Loading Linux ...'
		gfxpayload=800x600x16,800x600
		linux    /srv/vmlinuz video=vesa:ywrap,mtrr priority=critical console-keymaps-at/keymap=de keyboard-configuration/xkb-keymap=de file=/hd-media/srv/babelbox/preseed.cfg debian-installer/locale=de_DE
        echo    'Loading initial ramdisk ...'
        initrd  /srv/initrd.gz
}

menuentry 'BabelBox demo' --class debian --class gnu-linux --class gnu --class os {
        insmod part_msdos
        insmod ext2
        set root='(hd0,5)'
        echo    'Loading Linux ...'
		gfxpayload=800x600x16,800x600
		linux   /vmlinuz root=/dev/sda5 ro quiet
        echo    'Loading initial ramdisk ...'
        initrd  /initrd.img
}
EOT

echo "" > cronscript
cat <<EOT >> cronscript
#! /bin/bash

# Script to prepare babelbox for the next install: switch language to the
# next in the list. Normally run from installed system, but can also be run
# from the base system that controls the babelbox runs.
# It takes the top line from langlist as the next language and moves that
# line to the bottom of the list.

set -e

ROOT=""

if [ -f /BABELBOX ] ; then
	ROOT="/mnt"
	sleep 30

	mount /dev/sda1 $ROOT
fi

cd $ROOT/srv/babelbox

LANG="de_DE::German"
#NEXTLANG="de_DE:x:German"

LOCALE=$(echo "$LANG" | cut -d: -f1)
LANGNAME=$(echo "$LANG" | cut -d: -f3)
GRUBLINE=$(echo "$LANG" | cut -d: -f4)

sed -i "s/LANGNAME \".*\"/LANGNAME \"$LANGNAME\"/" preseed_early

sed -i "s/locale=.*$/locale=$LOCALE $GRUBLINE/
        s/^\([[:space:]]*\)set default=\"[[:digit:]]*\"$/\1set default=\"2\"/" $ROOT/boot/grub/grub.cfg

# Comment out the next three lines if you don't want the language to change
#N_LOCALE=$(echo "$NEXTLANG" | cut -d: -f1)
#sed -i "s/:x:/::/;s/^$N_LOCALE::/$N_LOCALE:x:/" langlist

if [ -z "$ROOT" ]; then
	echo "Next language: $LANGNAME"
fi

exit 0

EOT



cat babelbox-grub >> /etc/grub.d/40_custom
update-grub
./cronscript

echo "You need to download a Debian amd64 DVD ISO into /srv"