#!/run/current-system/profile/bin/bash
#
#      Guix Simplified Installer
#
#  Copyright (C) 2024 Adrien Bourmault <neox@a-lec.org>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Affero General Public License as published by
#  the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
#  You should have received a copy of the GNU Affero General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

set +x
set -e

# Définition des couleurs
RED='\033[0;31m'
GREEN='\033[0;32m'
LIGHT_RED='\033[1;31m'
LIGHT_GREEN='\033[1;32m'
YELLOW='\033[1;33m'
BLUE='\033[1;34m'
NC='\033[0m' # No Color

echo -e "${LIGHT_RED}Welcome to the simple eraser${NC}"
echo -e "${NC}Copyright (C) 2024 Adrien Bourmault <neox@a-lec.org>${NC}"
echo -e "${NC}This program is free software, released under the GNU AGPL version 3 or later.${NC}"


# Chemin vers le disque
DISK="$1"

# Vérification de l'existence du disque
if [ ! -b "$DISK" ]; then
    echo -e "${RED}There is no such disk as $DISK !${NC}"
    exit 1
fi

echo -e "${BLUE}Wiping LUKS partitions...${NC}"

# Lister les partitions du disque
PARTITIONS=$(lsblk -nlp -o NAME | grep "^$DISK")

# Effacer les en-têtes LUKS de chaque partition
for PARTITION in $PARTITIONS; do
  echo -e "${BLUE}Wiping $PARTITION LUKS header...${NC}"
  cryptsetup luksErase $PARTITION
done

echo -e -n "${BLUE}Wiping disk layout...${NC}"

parted -s "$DISK" mklabel gpt

echo -e "${GREEN}OK${NC}"