#!/bin/sh
set -e
#DEBHELPER#

pam-auth-update --package

#update default conf
config_file=/etc/biometric-auth/ukui-biometric.conf

delimeter='='

get_opt(){
  file=$1
  section=$2
  key=$3
  val=$(awk -F "$delimeter" '/\['${section}'\]/{a=1}(a==1 && "'${key}'"==$1){print $2;exit}' ${file})
  echo ${val}
}

is_key_exist(){
  file=$1
  section=$2
  key=$3
  is_exist=$(awk -F "$delimeter" '/\['${section}'\]/{a=1}(a==1 && "'${key}'"==$1){print '1';exit}' ${file})
  echo ${is_exist}
}

set_opt(){
  file=$1
  section=$2
  key=$3
  val=$4
  contain_section=$(awk '/\['${section}'\]/ {print NR}' ${file})
  if [ ${#contain_section} -gt 0 ]; then
    is_exist=$(is_key_exist $file $section $key)
    if [ "${is_exist}" = "1" ]; then
      awk -F "$delimeter" '/\['${section}'\]/{a=1}(a==1 && "'${key}'"==$1){gsub($2,"'${val}'");a=0} {print $0}' ${file} 1<>${file}
    else
      sed -i "s/\[${section}\]/\[${section}\]\n${key}\=${val}/g" ${file}
    fi
  else
    echo -e "\n[${section}]\n${key}=${val}" >> ${file}
    sed -i "s/\-e//g" ${file}
  fi
}

if [ ! -f ${config_file} ]; then
  mkdir -p /etc/biometric-auth
  cp /usr/share/ukui-biometric/ukui-biometric.conf ${config_file}
else
  set_opt ${config_file} General UseFirstDevice true
  set_opt ${config_file} General MaxFailedTimes 5
  set_opt ${config_file} Functions EnableQRCode true
fi