#!/usr/bin/env bash

set -x

cmdlineparameter=$(cat /proc/cmdline)
repo=SpectreOS
user=user1

if cat /etc/passwd | grep "x:2000" > /dev/null; then
    tempuser=$(cat /etc/passwd | grep "x:2000" | awk '{print $1}')
    user=${tempuser%%:*}
#else
#    user=$(whoami)
fi

for wort in $(cat /proc/cmdline)
do
    echo "Parameter ${wort%=*} = ${wort#*=}"
    if ! export ${wort%=*}=${wort#*=}; then echo "cannot export ${wort}!!!"; fi
done


function loadnvidia () {

    echo ":: nvidia driver loading..."

    mkdir -p -m 755 /etc/X11/xorg.conf.d/

    nvidia-xconfig

    if modprobe nvidia; then
        echo "nvidia driver loaded"
    else
        echo "nvidia driver failed"
    fi

    if [ -f "/etc/X11/xorg.conf.d/20-nouveau.conf" ]; then
        rm /etc/X11/xorg.conf.d/20-nouveau.conf
    fi

}

if cat /proc/cmdline | grep "nvidia=y" 1>/dev/null 2>&1; then

    loadnvidia

fi

# set systemconfiguration

if cat /proc/cmdline | grep "lang" 1>/dev/null 2>&1; then

    if ! cat /etc/locale.conf | grep LANG=${lang}.UTF-8 1>/dev/null 2>&1; then

        #
        echo "LANG=${lang}.UTF-8" > /etc/locale.conf
        echo "LC_COLLATE=C" >> /etc/locale.conf
        echo "LANGUAGE=${lang}" >> /etc/locale.conf
        #
        echo "${lang}.UTF-8 UTF-8" > /etc/locale.gen
        echo "${lang} ISO-8859-1" >> /etc/locale.gen
        #echo "${lang}@euro ISO-8859-15" >> /etc/locale.gen
        if ! grep 'en_US.UTF-8 UTF-8' /etc/locale.gen 1>/dev/null 2>&1; then
            echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen
        fi

        locale-gen

    fi
    #
fi

if cat /proc/cmdline | grep "keytable" 1>/dev/null 2>&1; then

    keytable_short="${keytable:0:2}"
    echo "KEYMAP=${keytable_short}" > /etc/vconsole.conf
    echo "FONT=lat9w-16" >> /etc/vconsole.conf
    if [ -f "/etc/conf.d/keymaps" ]; then
        sed -i 's/keymap=.*$/keymap=\"'$keytable_short'\"/' /etc/conf.d/keymaps
    fi

    sed -e 's|Option "XkbLayout".*$|Option "XkbLayout" "'$keytable_short'"|' -i /etc/X11/xorg.conf.d/20-keyboard.conf
    if [ "$keytable_short" != "de" ]; then
        sed -e 's|    xkb_layout.*$|    xkb_layout '$keytable_short',de|' -i /home/${user}/.config/sway/config
    fi
fi
#
if cat /proc/cmdline | grep "tz" 1>/dev/null 2>&1; then

    # https://stackoverflow.com/questions/5767062/how-to-check-if-a-symlink-exists
    if [ -L /etc/localtime ]; then
        rm /etc/localtime
    fi
    ln -s /usr/share/zoneinfo/"${tz}" /etc/localtime

fi

echo "Fertig!!!"