start

#!/bin/bash

set -e
echo -e "\n------------------ startup of i3wm  window manager ------------------"

create_user_by_input(){
    read -p "input username :" name
    if [ $(getent passwd $name) ] ; then
        echo "login with $name: "
    else
        #create user
        useradd -m $name
        adduser $name sudo
        passwd $name
        #config user config
        mkdir -p /home/$name/.config/i3
        cp ./config /home/$name/.config/i3
        chown -R $name /home/$name/.config
        usermod -s /bin/bash $name
    fi
}

create_user_by_env(){
    # default username and userpassword
    name=bear
    password=bear

    # set user name
    if [ $USER_NAME ];then
            name=$USER_NAME
            echo "USER_NAME = $USER_NAME"
    else
            echo "USER_NAME = $name"
    fi

    # set user password
    if [ $USER_PASSWORD ];then
            password=$USER_PASSWORD
            echo "USER_PASSWORD = $USER_PASSWORD"
    else
            echo "USER_PASSWORD = $password"
    fi

    # "create user.."
    if [ $(getent passwd $name) ] ; then
        echo "$name exists!"
    else
        useradd -m $name
        adduser $name sudo
        echo -e "${password}\n${password}" | passwd $name
        usermod -s /bin/bash $name
        #config user config
        mkdir -p /home/$name/.config/i3
        cp ./config /home/$name/.config/i3
        chown -R $name /home/$name/.config
    fi
}


if [ $USER_NAME ];then
    echo "create user by ENV(USER_NAME and USER_PASSWORD), the default username and password is the same text bear"
    create_user_by_env 
else
    echo "create user by input username and password"
    create_user_by_input
fi

chmod a+rwx /dev/snd/*

/lib/systemd/systemd-udevd --debug & /sbin/udevadm trigger

xinit /bin/su -l $name -c 'xrdb /app/.Xresources && /bin/sh -c i3'  -- /usr/bin/X :0