#!/bin/sh
#
# This script is licensed under GPL V3 or higher
# 
# 

EXTRA_REPOS=""
check_and_install_nongpl(){
    wget -q -O /extra-packages.netinstall http://preseed/extra-packages.netinstall
    if [ -f "/extra-packages.netinstall" ]; then
        oIFS=$IFS
        IFS="|"
        repos="$(egrep -i 'repository' /extra-packages.netinstall |sed -r 's% +% %g'|cut -d' ' -f2- )" 
        packages="$(egrep -i 'package' /extra-packages.netinstall |sed -r 's% +% %g'|cut -d' ' -f2- )"
        for r in $repos ; do
            echo deb $r >> /target/etc/apt/sources.list
        done;
        EXTRA_REPOS=$repos
        if [ "x$packages" != "x" ]; then
            in-target apt-get update
            in-target apt-get -y install $packages
        fi
        rm /extra-packages.netinstall
        IFS=$oIFS
    fi
}

check_and_run_extra_commands(){
    wget -q -O /extra-commands.netinstall http://preseed/extra-commands.netinstall
    scr="/extra-commands.netinstall"
    if [ -f "$scr" ]; then
        oIFS=$IFS
        IFS="|"
        sh $scr
        rm $scr
        IFS=$oIFS
    fi
}

# First fix the sources list for generic lliurex flavours
put_apt_conf(){
    base="${1}"
    param="${2}"

    if [ -z "${param}" ]; then
	param="desktop"
    fi 
    if [ -n "${force_server}" ]; then
        SERVER="${force_server}"
    else
        case $param in
            "client")
            SERVER="http://mirror/llx21"
        ;;
#       NOT AVAILABLE IN NETINSTALL
#       "server")
#           SERVER="file:///net/mirror/llxXXXX"
#       ;;
        "desktop")
            SERVER="http://mirror/llx21"
        ;;
        ## INFANTIL CASE AND OTHERS
        *)
            SERVER="http://mirror/llx21"
        ;;
        esac
    fi
    
    echo "# LliureX Net-Installation ${param}"  > ${BASE_DIR}/etc/apt/sources.list
    echo "deb ${SERVER} focal main universe restricted multiverse"  >> ${BASE_DIR}/etc/apt/sources.list
    echo "deb ${SERVER} focal-updates main universe restricted multiverse"  >> ${BASE_DIR}/etc/apt/sources.list
    echo "deb ${SERVER} focal-security main universe restricted multiverse"  >> ${BASE_DIR}/etc/apt/sources.list
    if [ "x$EXTRA_REPOS" != "x" ]; then
        oIFS=$IFS
        IFS="|"
        for r in $EXTRA_REPOS; do 
            echo deb $r >> ${BASE_DIR}/etc/apt/sources.list
        done
        IFS=$oIFS
    fi
#    if [ "$param" = "infantil" ]; then
#        echo "deb ${SERVER} focal preschool" >> ${BASE_DIR}/etc/apt/sources.list
#    fi
}

set_session(){
    in-target systemctl disable gdm || true
    in-target systemctl enable sddm || true
}

remove_resolv_conf(){
    RESOLV=/target/etc/resolv.conf
    if [ -f $RESOLV  ];then
        rm -f $RESOLV
    fi
}

remove_netplan_configs(){
    cp -r --backup=numbered /target/etc/netplan /target/etc/old.netplan.configs
    mv --backup=numbered /target/etc/netplan /tmp
    mkdir -p /target/etc/netplan
}

create_netplan_configs(){
    BASE="/target"
    FILENAME="01-network-manager-all.yaml"
    LOCATION="/etc/netplan"

    fullpath="${BASE}${LOCATION}/${FILENAME}"
    if [ ! -f "${fullpath}" ];then
        touch ${fullpath}
        echo '#Let NetworkManager manage all devices on this system' >> ${fullpath}
        echo 'network:' >> ${fullpath}
        echo '  version: 2' >> ${fullpath}
        echo '  renderer: NetworkManager' >> ${fullpath}
    fi
}

log_in_target(){
    d="$(date)"
    if [ -d "/target/var/log" ];then
	echo "$d NETINSTALL LOG: ""$@" >> /target/var/log/netinstall
    fi
}

fix_uefi_boot(){
    if [ -d "/sys/firmware/efi/vars" ];then
	if [ -d "/target/boot/efi/EFI" ];then
	    if [ -d "/target/boot/efi/EFI/neon" ];then
		cp -R /target/boot/efi/EFI/neon /target/boot/efi/EFI/ubuntu
		log_in_target "Netinstall completed (UEFI mode)"
	    else
		log_in_target "Not detected neon dir inside EFI dir"
	    fi
	else
	    log_in_target "Not detected EFI dir on /target/boot/efi" 
	fi
    else
	log_in_target "Netinstall completed (BIOS mode)"
    fi
}

# Initial param checking

if [ -z "${1}" ]; then 
    exit 1
else
    BASE_DIR="$1"
fi

if [ ! -d "${BASE_DIR}" -o ! -f "${BASE_DIR}/etc/apt/sources.list" ];then
    exit 1
fi

class=$(cat /proc/cmdline |sed -r "s%.*preseed/url=http://preseed/([a-zA-Z_-]+).cfg\.*%\1%i;tx;d;:x")
base_class=$(echo $class|cut -d- -f1|tr [A-Z] [a-z])

force_server=$(cat /proc/cmdline |sed -r "s%.*force_server=(http://[0-9a-zA-Z_/.:-]+).*%\1%i;tx;d;:x")

check_and_install_nongpl

put_apt_conf ${BASE_DIR} ${base_class}

# in-target dpkg --add-architecture i386

check_and_run_extra_commands
set_session
remove_resolv_conf
remove_netplan_configs
create_netplan_configs
fix_uefi_boot
#if [ "x$base_class" = "xinfantil" ]; then
#    in-target apt-get update
#    in-target apt-get -y install lliurex-meta-infantil
#fi
exit 0