#!/usr/bin/env bash 

set -eu

DESC="Préparation du système pour compatibilité DIRECT, COW et TGZ."

set +u
[ -z "$GUEST_NAME" ] && GUEST_NAME=buster
set -u


updateUpgrade() {
	vdn-ssh root@$GUEST_NAME "
		[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
		[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
		
		apt-get update; apt-get -y upgrade
	"
}

# pb rpcbind : 
# - longueur (le service ne ne semble pas démarrer à l'INSTALLATION 
# mais le service rpcbind démarre au démarrage

installNfs() {
	vdn-ssh root@$GUEST_NAME "
	[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
	[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
	export DEBIAN_FRONTEND=noninteractive; apt-get install -y nfs-common nfs-kernel-server
"
}

installDocker() {

        set +u
        [ -z "$http_proxy" ] && http_proxy="" || :
        [ -z "$https_proxy" ] && https_proxy="" || :
        set -u

        # désactive le service docker, Voir les scripts de post-configuration
        # n'ajoute aucun utilisateur au groupe docker par défaut. Voir les scripts de post-configuration

        vdn-ssh -t root@$GUEST_NAME "
        export http_proxy=$http_proxy
        export https_proxy=$https_proxy
        apt-get update
        apt-get -y install apt-transport-https ca-certificates curl gnupg2 software-properties-common
        curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
        apt-key fingerprint 0EBFCD88
        add-apt-repository \"deb [arch=amd64] https://download.docker.com/linux/debian \$(lsb_release -cs) stable\"
        apt-get update
        apt-get -y install docker-ce docker-ce-cli containerd.io docker-compose
        curl -L https://raw.githubusercontent.com/docker/compose/1.24.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose

        systemctl mask containerd docker
"
}


installQuaggaFrr() {
	case "$GUEST_SYS" in
		debian/buster) debs=quagga;;
		*) debs=bird2;;
	esac

	vdn-ssh root@$GUEST_NAME "
	[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
	[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
	export DEBIAN_FRONTEND=noninteractive; apt-get remove --purge -y frr
	"

	vdn-ssh root@$GUEST_NAME "
	[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
	[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
	export DEBIAN_FRONTEND=noninteractive; apt-get install -y $debs
	"
}

installModulesReseaux() {

	# paquets problématiques retirés :
	# rpcbind : le paramétrage lors de l'installation du paquet bloque 90s
	# nfs-common nfs-kernel-server
	# quagga
	# user-mode-linux
	### pour bookworm
	# curlftpfs vim-gtk glib-2.0-dev

	DEBS="less ssh mingetty rsync net-tools haveged rng-tools dnsutils zerofree"
	DEBS="$DEBS vim slirp"
    DEBS="$DEBS sshfs psmisc bsdutils strace busybox-static"
    DEBS="$DEBS traceroute iptables tcpdump wireshark-gtk nmap"
    DEBS="$DEBS manpages"
    DEBS="$DEBS ftp curl dillo"
    DEBS="$DEBS libapache2-mod-php apache2-doc"
    DEBS="$DEBS xbase-clients"
    DEBS="$DEBS lynx psmisc file strace lsof telnet links links2"
    DEBS="$DEBS iputils-ping"
    DEBS="$DEBS rsync dialog"
    DEBS="$DEBS firefox-esr"
    DEBS="$DEBS nautilus"
    DEBS="$DEBS openvpn"
    DEBS="$DEBS proftpd isc-dhcp-server"

    DEBS="$DEBS busybox-static debootstrap"

    DEBS="$DEBS gedit"

    DEBS="$DEBS gpm vde2"
    DEBS="$DEBS spice-vdagent"
    DEBS="$DEBS gpm vde2"
    DEBS="$DEBS gcc make autoconf uidmap pkg-config \
        glib-2.0 libglib2.0-dev dpkg-dev \
        libcap-dev libcap2 libseccomp2 libseccomp-dev"

    # TP Pascal :
    DEBS="$DEBS john hashcat sqlmap php default-mysql-server"
	
	echo "apt-get..."
    vdn-ssh -t root@$GUEST_NAME "
	[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
	[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
		export DEBIAN_FRONTEND=noninteractive
        apt-get install -y $DEBS
    "
    # cas de lighttpd
    vdn-ssh -t root@$GUEST_NAME "
	[ -n "$http_proxy" ] && export http_proxy="$http_proxy"
	[ -n "$https_proxy" ] && export https_proxy="$https_proxy"
	export DEBIAN_FRONTEND=noninteractive;
        apt-get install -y lighttpd
        systemctl disable lighttpd
    "


    # disable services

	# remove : nfs-kernel-server nfs-blkmap nfs-server

    local l="ModemManager NetworkManager NetworkManager-dispatcher NetworkManager-wait-online anacron apparmor autovt@ bgpd dbus-fi.w1.wpa_supplicant1 dbus-org.freedesktop.Avahi dbus-org.freedesktop.ModemManager1 dbus-org.freedesktop.nm-dispatcher dbus-org.freedesktop.timesync1 getty@ hddtemp isisd lighttpd lm-sensors network-manager nmbd openbsd-inetd openvpn ospf6d ospfd pimd portmap pppd-dns ripd ripngd rpcbind rsync smbd speech-dispatcher syslog systemd-timesyncd udisks2 wpa_supplicant zebra uml-utilities apache2 proftpd isc-dhcp-server mariadb haveged nfs-server bird"

    vdn-ssh -t root@$GUEST_NAME "for i in $l; do echo \"Disable \$i\"; systemctl disable \$i; done"
	
}



installLocales() {

	vdn-ssh root@$GUEST_NAME "
    [ -n "$http_proxy" ] && export http_proxy="$http_proxy"
    [ -n "$https_proxy" ] && export https_proxy="$https_proxy"
    export DEBIAN_FRONTEND=noninteractive
	set -a; . /etc/vdn/config; set +a

	cat << END > /etc/default/locale
#  File generated by update-locale
LANG="$DEFAULT_LANG"
END

	sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
	sed -i -e 's/# $DEFAULT_LANG UTF-8/$DEFAULT_LANG UTF-8/' /etc/locale.gen

	dpkg-reconfigure --frontend=noninteractive locales
	update-locale LANG=$DEFAULT_LANG
	"
}

installKeyboard() {
    vdn-ssh root@$GUEST_NAME "
    [ -n "$http_proxy" ] && export http_proxy="$http_proxy"
    [ -n "$https_proxy" ] && export https_proxy="$https_proxy"
    export DEBIAN_FRONTEND=noninteractive
    set -a; . /etc/vdn/config; set +a

cat << END > /etc/default/keyboard
# KEYBOARD CONFIGURATION FILE

# Consult the keyboard(5) manual page.

XKBMODEL="$XKBMODEL"
XKBLAYOUT="$XKBLAYOUT"
XKBVARIANT="$XKBVARIANT"
XKBOPTIONS="$XKBOPTIONS"

BACKSPACE="$BACKSPACE"
END
"

}

installTimezone() {
	ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime
}


installAll() {
	updateUpgrade
	installLocales
	installTimezone
	installKeyboard
	#installQuaggaFrr
	installModulesReseaux
	installDocker
	installNfs
}

run() {

	. $VDN_PATH/bin/functions-scripts.sh
	. $VDN_PATH/bin/functions-build.sh

	setErrorHandler
	echoStart

	set -a
	. $NETWORK_DIR/$GUEST_NAME.conf
	set +a

	GUEST_DIR=$VDN_PATH/distribs/guests/direct/$GUEST_SYS

	echo "HDA=$VDN_PATH/files/$HDA"

	[ ! -e $VDN_PATH/files/$HDA ] && \
	debootstrap

	vdn-start $GUEST_NAME
	sleep 1
	waitSsh $GUEST_NAME

	set +u
    [ -z "$http_proxy" ] && http_proxy="" || :
    [ -z "$https_proxy" ] && https_proxy="" || :
    set -u

    installAll

	cleanHistory $GUEST_NAME
	
	vdn-halt $GUEST_NAME

	unsetErrorHandler
	echoDone
}