#!/bin/bash
# ---------------------------------------------------------------------------
# makeuser - tilde new user creation
# Usage: makeuser [-h|--help] <username> <email> "<pubkey>"
# ---------------------------------------------------------------------------
#
# Forked from tilde.team's make user script (
PROGNAME=${0##*/}
VERSION="0.4"
LIST_NAME="thunix-join@lists.tildeverse.org"
EMAIL_TEMPLATE="tmpl/email.tmpl"
YAML_FILE="$1.yml"
GEN_TDP="./gen_tdp"
TILDE_JSON="/var/www/thunix.cf/tilde.json"
CONFIG=./setenv

. $CONFIG

error_exit() {
  echo -e "${PROGNAME}: ${1:-"Unknown Error"}" >&2
  exit 1
}

usage() {
  echo -e "usage: $PROGNAME [-h|--help] <username> <email> \"<pubkey>\""
}

sub_to_list() {
  echo "
From: $1
Subject: subscribe
" | sudo -u $1 mail $LIST_NAME 
}

[[ $(id -u) == 0 ]] && error_exit "Do not run this script as root."

case $1 in
  -h | --help)
    usage; exit ;;
  -* | --*)
    usage; error_exit "unknown option $1" ;;
  *)
    [[ $# -ne 3 ]] && error_exit "not enough args"
    echo "adding new user $1"
    newpw=`pwgen -1B 10`
    pwcrypt=$(perl -e "print crypt('${newpw}', 'sa');")
    sudo useradd -m -g 1000 -p $pwcrypt -s /bin/bash $1 || exit 1
#		This is the welcome for team.
#    sed -e "s/newusername/$1/g" -e "s/newpassword/$newpw/" $EMAIL_TEMPLATE | sudo mail $1 $2 $ADMIN_EMAIL 

#		This is the welcome email for thunix
		sed -e "s/newusername/$1/g" -e "s/newpassword/$newpw/g" tmpl/email.tmpl | sudo mail -s "Welcome to Thunix!" $2
		sed -e "s/newusername/$1/g" -e "s/newpassword/$newpw/g" tmpl/email.tmpl | sudo mail -s "Welcome to Thunix!" $ADMIN_EMAIL 
    sub_to_list $1

#		We don't need this for thunix, since ansible will do it
#		echo "$3" | tee /home/$1/.ssh/authorized_keys

# If root doesn't have a fediverse account, comment this out
#    sudo toot "welcome new user ~$1!"

#Thunix specific section
		currdir=`pwd`
		cd $REPO_LOCATION; git pull; cd $currdir
		echo "---
- name: Setting up $1
  user:
    name: $1
    groups: tilde
    state: present
    skeleton: /etc/skel
    shell: /bin/bash
    system: no
    createhome: yes
    home: /home/$1
- authorized_key:
    user: $1
    state: present
    key: \"$3\"" > $REPO_LOCATION/roles/shell/tasks/users/$YAML_FILE

		echo "- include: users/$YAML_FILE" >> $REPO_LOCATION/roles/shell/tasks/users.yml
		place=`pwd`
		cd $REPO_LOCATION
		git add $REPO_LOCATION/roles/shell/tasks/users/$1.yml
		git commit -am "Adding user $1"
		git push
		cd $place
		$GEN_TDP | sudo tee $TILDE_JSON 
# End Thunix specific section
		;;
 
esac