### Localization
d-i debian-installer/locale string en_US
d-i debian-installer/language string en
d-i debian-installer/country string CH
d-i debian-installer/locale string en_US.UTF-8
d-i keyboard-configuration/xkb-keymap select us

### Network configuration
d-i netcfg/choose_interface select auto

# Any hostname and domain names assigned from dhcp take precedence over
# values set here. However, setting the values still prevents the questions
# from being shown, even if values come from dhcp.
d-i netcfg/get_hostname string unassigned-hostname

# Disable that annoying WEP key dialog.
d-i netcfg/wireless_wep string

### Mirror settings
# Mirror protocol:
# If you select ftp, the mirror/country string does not need to be set.
# Default value for the mirror protocol: http.
d-i mirror/protocol string http
d-i mirror/country string manual
d-i mirror/http/hostname string deb.debian.org
d-i mirror/http/directory string /debian
d-i mirror/http/proxy string
d-i mirror/suite string bookworm

### Account setup
d-i passwd/root-login boolean false
d-i passwd/user-fullname string DevOps
d-i passwd/username string devops
d-i passwd/user-password password insecure
d-i passwd/user-password-again password insecure

### Clock and time zone setup
# Controls whether or not the hardware clock is set to UTC.
d-i clock-setup/utc boolean true
d-i time/zone string Etc/UTC
d-i clock-setup/ntp boolean true
d-i clock-setup/ntp-server string debian.pool.ntp.org

### Partitioning
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true
d-i partman-md/device_remove_md boolean true
d-i partman-md/confirm boolean true

# Disable no-swap warning
#d-i partman-basicfilesystems/no_swap boolean true

# Disk partitioning, ext2 for /boot, XFS for /, and no swap
d-i partman-auto/method string regular
d-i partman-auto/choose_recipe select xfs-root
d-i partman-auto/expert_recipe string \
xfs-root :: \
	512 512 1024 ext2 \
		$primary{ } $bootable{ } \
		method{ format } format{ } \
		use_filesystem{ } filesystem{ ext2 } \
		mountpoint{ /boot } \
	. \
    1024 1024 1024 linux-swap \
        method{ swap } format{ } \
    . \
		1024 1024 -1 xfs \
		method{ format } format{ } \
		use_filesystem{ } filesystem{ xfs } \
		mountpoint{ / } \
	.

d-i partman-partitioning/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true

### Base system installation
d-i base-installer/install-recommends boolean true
d-i base-installer/kernel/image string linux-image-amd64

### Apt setup
d-i apt-setup/cdrom/set-first boolean false
d-i apt-setup/non-free-firmware boolean true
d-i apt-setup/non-free boolean true
d-i apt-setup/contrib boolean true
d-i apt-setup/disable-cdrom-entries boolean true
d-i apt-setup/services-select multiselect security updates
d-i apt-setup/security_host string security.debian.org

### Package selection
tasksel tasksel/first multiselect standard, ssh-server
d-i pkgsel/upgrade select full-upgrade
d-i pkgsel/include string zram-tools

popularity-contest popularity-contest/participate boolean false

### Boot loader installation
d-i partman/early_command string \
largest_size=0; \
list-devices disk | while read -r disk; \
do size=$(blockdev --getsize64 "$disk"); \
    if [ "$size" -gt "$largest_size" ]; then \
	largest_size="$size"; \
	echo "$disk" > /tmp/largest_disk; \
    fi; \
done; \
largest_disk=$(cat /tmp/largest_disk); \
debconf-set partman-auto/disk "$largest_disk";\
debconf-set grub-installer/bootdev "$largest_disk";

d-i grub-installer/only_debian boolean true
d-i grub-installer/with_other_os boolean true
d-i finish-install/reboot_in_progress note
d-i cdrom-detect/eject boolean true

### use eth0
d-i debian-installer/add-kernel-opts string net.ifnames=0 biosdevname=0

d-i preseed/late_command string \
in-target /bin/sh -c -- 'primary_iface=$(ip route | awk "/default/ {print \$5}"); sed -i "s/$primary_iface/eth0/" /etc/network/interfaces'; \
in-target mkdir -p /home/devops/.ssh; \
in-target chmod 700 /home/devops/.ssh; \
in-target /bin/sh -c -- 'echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDHIbR8gMhEFvjIQR3OzAxAQIpNfw4apkXjNTutJRIQf" >> /home/devops/.ssh/authorized_keys'; \
in-target chown -R devops:devops /home/devops/.ssh; \
in-target sed -i s'/#PasswordAuthentication\ yes/PasswordAuthentication\ no/g' /etc/ssh/sshd_config; \
in-target /bin/sh -c -- 'if [ -e /boot/efi/EFI/debian/grubx64.efi ]; then mkdir -p /boot/efi/EFI/BOOT; cp /boot/efi/EFI/debian/grubx64.efi /boot/efi/EFI/BOOT/bootx64.efi; fi'; \
in-target apt-get update; \
in-target apt-get install -y zram-tools; \
in-target /bin/sh -c -- 'echo "ALGO=zstd\nPERCENT=60\nPRIORITY=100" | tee -a /etc/default/zramswap';