#!/usr/bin/env bash

if [[ "${EUID}" -ne 0 ]]; then
    echo "You must run this script with root or sudo."
    exit 1
fi

fname=/etc/apt/sources.list

# Make a backup of the sources list
if [[ ! -f "${fname}.bak" ]]; then
    cp -f "${fname}" "${fname}.bak"
fi

cat > "${fname}" <<'EOF'
# Atlanta, GA (Custom)
deb http://atl.mirrors.clouvider.net/debian/ bookworm main contrib non-free non-free-firmware
deb http://atl.mirrors.clouvider.net/debian/ bookworm-updates main contrib non-free non-free-firmware
deb http://atl.mirrors.clouvider.net/debian/ bookworm-backports main contrib non-free non-free-firmware

# Official (Default)
deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
deb http://deb.debian.org/debian bookworm-backports main contrib non-free non-free-firmware
deb http://deb.debian.org/debian-security/ bookworm-security main contrib non-free non-free-firmware
EOF

# Open an editor to view the changes
if command -v gnome-text-editor &>/dev/null; then
    sudo gnome-text-editor "${fname}"
elif command -v gedit &>/dev/null; then
    sudo gedit "${fname}"
elif command -v nano &>/dev/null; then
    sudo nano "${fname}"
elif command -v vim &>/dev/null; then
    sudo vim "${fname}"
elif command -v vi &>/dev/null; then
    sudo vi "${fname}"
else
    printf "\n%s\n" "Unable to open the sources.list file because no text editor was found."
fi