#!/bin/sh

change_userpass()
{
  printf '%s\n' "$password" "$password"  | ./run-quasselcore --change-userpass "$username"
}

quasseluser_reset_password()
{
  username=$1
  [ "$username" ]
  password=$(tr -cd a-z </dev/urandom | head -c15)
  [ "$password" ]
  if [ -t 0 ]
  then
    err_out=$(mktemp)
    trap 'rm -f "$err_out"' EXIT
    if change_userpass >"$err_out" 2>&1
    then
      printf "User: %s\nPassword: %s\n" "$username" "$password"
    else
      cat "$err_out"
      exit 1
    fi
  else
    change_userpass
  fi
}

set -e
[ $# -eq 1 ]
quasseluser_reset_password "$1"