#!/bin/bash

## FUNCTIONS

check_bitnami_dir()

{

  test -d "$1" || return 1

  test -f "$1/ctlscript.sh" || return 1

  test -f "$1/properties.ini" || return 1

  mysqladmin=$bitnami/mysql/bin/mysqladmin

  test -x "$mysqladmin" || return 1

  mysql=$bitnami/mysql/bin/mysql

  test -x "$mysql" || return 1

  return 0

}

## SCRIPT

cd `dirname $0`

echo "Welcome to the Enano CMS BitNami module installer."

autobitnami=""

if test -n "$HOME"; then

  autobitnami=$(echo $HOME/lampstack-*)

  if test ! -d "$autobitnami"; then

    autobitnami=""

  fi

fi

while true; do

  if test -n "$autobitnami"; then

    read -p "Path to BitNami directory [$autobitnami]: " bitnami

    test -z "$bitnami" && bitnami="$autobitnami"

  else

    read -p "Path to BitNami directory: " bitnami    

  fi

  check_bitnami_dir $bitnami && break

  echo "This does not seem to be the home of a BitNami LAMPStack installation."

done

if [ -d $bitnami/apps/enanocms ]; then

  echo "Enano is already installed as a module on this LAMPStack."

  exit 1

fi

mysql_port=$(cat $bitnami/properties.ini | grep mysql_port | sed -re 's/^mysql_port=//g')

while true; do

  read -s -p "MySQL root password: " mysqlpass

  echo ""

  out=`$mysqladmin -u root --password="$mysqlpass" ping 2>&1`

  test "$out" = "mysqld is alive" && break

  echo $out

done

echo "Creating database."

bitnami_db="bn_enanocms"

bitnami_user="bn_enanocms"

bitnami_pass=`dd if=/dev/urandom bs=256 count=1 2>/dev/null | tr -cd '\41-\46\50-\176' | cut -c 1-12`

query='CREATE DATABASE IF NOT EXISTS `'$bitnami_db'`; GRANT ALL PRIVILEGES ON '$bitnami_db'.* TO '"$bitnami_user"'@localhost IDENTIFIED BY '"'$bitnami_pass'"'; FLUSH PRIVILEGES;'

echo $query | $mysql -u root --password="$mysqlpass" || exit 1

echo "Installing files."

mkdir -p $bitnami/apps/enanocms/{conf,licenses} || exit 1

cp -r ./enano-* $bitnami/apps/enanocms/htdocs || exit 1

cp ./COPYING $bitnami/apps/enanocms/licenses/ || exit 1

cat <<EOF > $bitnami/apps/enanocms/conf/enanocms.conf

Alias /enanocms "$bitnami/apps/enanocms/htdocs"

<Directory "$bitnami/apps/enanocms/htdocs">

    Options -Indexes MultiViews FollowSymLinks

    AllowOverride All

    Order allow,deny

    Allow from all

</Directory>

EOF

echo "Patching Apache configuration."

if test x$(cat $bitnami/apache2/conf/httpd.conf | grep '^Include' | grep enanocms | wc -l) = x0; then

  echo -ne "\nInclude "'"'"$bitnami/apps/enanocms/conf/enanocms?conf"'"'"\n" >> $bitnami/apache2/conf/httpd.conf

fi

echo "Adding Enano to BitNami's applications.html."

if test x$(cat $bitnami/apache2/htdocs/applications.html | fgrep 'START BitNami Enano CMS Module enanocms' | wc -l) = x0; then

  cp enanocms-module.png $bitnami/apache2/htdocs/img/

  line=$(cat $bitnami/apache2/htdocs/applications.html | fgrep -n '<!-- @@BITNAMI_MODULE_PLACEHOLDER@@ -->' | cut -d ':' -f 1)

  head -n $(($line - 1)) $bitnami/apache2/htdocs/applications.html > ./applications-temp.html

  cat application.html >> ./applications-temp.html

  tail -n +$line $bitnami/apache2/htdocs/applications.html >> ./applications-temp.html

  mv ./applications-temp.html $bitnami/apache2/htdocs/applications.html

fi

echo "Starting Enano installer."

while true; do

  if $bitnami/php/bin/php $bitnami/apps/enanocms/htdocs/install/install-cli.php -b mysql -h 127.0.0.1 -o $mysql_port -u "$bitnami_user" -p "$bitnami_pass" -d $bitnami_db -i /enanocms -r rewrite

  then

    break

  else

    read -n 1 -p "Try installation again? [y/N] " RETRY

    if test "$RETRY" != "y"; then

      cat <<EOF

Enano installation failed. To install Enano using the web interface,

navigate to http://localhost/enanocms (or http://localhost:8080/enanocms,

depending on how you installed LAMPStack), and use the following settings:

  Database type:       MySQL

  Database hostname:   localhost

  Database name:       $bitnami_db

  Database username:   $bitnami_user

  Database password:   $bitnami_pass

EOF

      break

    fi

  fi

done

echo "Restarting Apache."

$bitnami/ctlscript.sh restart apache