#!/bin/bash
#
# mkdrupal v0.2: easy drupal installer
# feedback: rhatto at riseup.net | gpl
#
#  Mkdrupal is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  Mkdrupal is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#

#
# section 1: default procedures and definitions
# 

TMP="/tmp"
CONF="/etc/mksite/mksite.conf"
LOCKFILE="$TMP/mksite.lock"
MESSAGES="/usr/share/mksite/mksite.messages"
HELPER_FUNCTIONS="/usr/libexec/mksite/mksite-helper"

# plugin definitions
PLUGIN_NAME="drupal"
USE_VERSION="1"
USE_DATABASE="1"
DB_SCRIPTS="database/database.mysql"

if [ -f "$HELPER_FUNCTIONS" ]; then
  source $HELPER_FUNCTIONS
  mksite_checks
else
  echo Fatal error: function file not found, aborting.
  echo Erro fatal: arquivo de funcoes nao encontrado, abortando.
  exit 1
fi

#
# section 2: plugin specific functions
# 

function usage {

  echo usage: "`basename $0` site-name [-n drupal-name]"

}

function create_config_file {

  # create a fresh drupal config file

  if [ -z "$PASSWD" ]; then
    mksite_ask_passwd
  fi

  echo "<?php

  \$db_url = \"mysql://"$DBUSER":"$PASSWD"@"$DB_HOST"/"$DBNAME"\";
  \$db_prefix = '';" > $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php

  if [ "$2" == "$DOCROOT" ]; then
    echo "\$base_url = \"http://$USER.$DOMAIN\";" >> $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php
  else
    echo "\$base_url = \"http://$USER.$DOMAIN/$1\";" >> $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php
  fi

  echo "
  ini_set('arg_separator.output',     '&amp;');
  ini_set('magic_quotes_runtime',     0);
  ini_set('magic_quotes_sybase',      0);
  ini_set('session.cache_expire',     200000);
  ini_set('session.cache_limiter',    'none');
  ini_set('session.cookie_lifetime',  2000000);
  ini_set('session.gc_maxlifetime',   200000);
  ini_set('session.save_handler',     'user');
  ini_set('session.use_only_cookies', 1);
  ini_set('session.use_trans_sid',    0); ?>" >> $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php

  # ownership and permissions
  chown $APACHE_USER.$USER $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php
  chmod 460 $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php

  mksite_check_user

  if [ "$USER_EXIST" == "1" ]; then
    chown -R $USER.$USER $HOME/$USER/$INSTANCE_NAME
  fi

}

function create_upload_folder {

  mkdir -p $PLUGIN_DIR/files/$1/theme_editor
  ln -s $PLUGIN_DIR/files/$1/theme_editor $HOME/$USER/$INSTANCE_NAME/themes/theme_editor
  chown $APACHE_USER.$APACHE_GROUP $PLUGIN_DIR/files/$1 

}

function write_config_file {

  # write drupal related info in the site config file 

  var_local="tmpfile drupal drupal_version"
  local $var_local
  tmpfile="$TMP/$USER-conf.tmp"

  drupal_version="`echo $PLUGIN_VERSION | sed -e 's/\./\\\./g'`"

  if [ -f "$MKSITE_BASE/sites/$USER" ]; then
    mksite_create_tmpfile $tmpfile

    if [ "$PLUGIN_DIR_TYPE" != "none" ]; then
      drupal="`mksite_eval_param $MKSITE_BASE/sites/$USER $PLUGIN_NAME_UPPER | sed -e "s/$INSTANCE_NAME:$drupal_version//g" -e 's/  //g'`"
    else
      drupal="`mksite_eval_param $MKSITE_BASE/sites/$USER $PLUGIN_NAME_UPPER | sed -e "s/$INSTANCE_NAME//g" -e 's/  //g'`"
    fi

    sed "/^$PLUGIN_NAME_UPPER/d" $MKSITE_BASE/sites/$USER > $tmpfile
    mv $tmpfile $MKSITE_BASE/sites/$USER
  fi

  if [ "$PLUGIN_DIR_TYPE" != "none" ]; then
    drupal="`echo $drupal $INSTANCE_NAME:$PLUGIN_VERSION | sed -e 's/  //g'`"
  else
    drupal="`echo $drupal $INSTANCE_NAME | sed -e 's/  //g'`"
  fi

  echo "$PLUGIN_NAME_UPPER=\"$drupal\"" >> $tmpfile
  mv $tmpfile $MKSITE_BASE/sites/$USER
  mksite_write_config_file

  unset $var_local

}

function update_base_url {

  # update base_url variable of a drupal instance config file

  sed -e 's/?>//' $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php | sed '/\$base_url/d' > $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.new

  if [ "$1" == "$DOCROOT" ]; then
    echo "\$base_url = \"http://$USER.$DOMAIN\"; ?>" >> $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.new
  else
    echo "\$base_url = \"http://$USER.$DOMAIN/$1\"; ?>" >> $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.new
  fi

  cp $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.old
  mv $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.new $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php
  rm $PLUGIN_DIR/sites/$USER.$DOMAIN.$1/settings.php.old

}

function update_config {

  # update the configurations of each drupal instance installed for $USER

  local drupal drupal_dir drupal_version drupal_docroot base_url

  for drupal in `mksite_eval_param $MKSITE_BASE/sites/$USER $PLUGIN_NAME_UPPER`; do

    if [ -f "$MKSITE_BASE/plugins/$PLUGIN_NAME.conf" ]; then
      drupal_conf="$MKSITE_BASE/plugins/$PLUGIN_NAME.conf"
    else
      drupal_conf="$MKSITE_BASE/defaults/plugins/$PLUGIN_NAME.conf"
    fi

    drupal_dir="`mksite_eval_param $drupal_conf PLUGIN_DIR`"
    drupal_version="`echo $drupal | cut -d : -f 2`"
    drupal="`echo $drupal | cut -d : -f 1`"

    if [ "$PLUGIN_DIR_TYPE" != "none" ]; then
      drupal_dir="$drupal_dir-$drupal_version"
    fi

    if [ ! -f  "$drupal_dir/sites/$USER.$DOMAIN.$drupal/settings.php" ]; then
      echo $MESSAGE_ERROR_DRUPAL_NOT_INSTALLED $drupal
    else

      base_url="`grep '$base_url' $drupal_dir/sites/$USER.$DOMAIN.$drupal/settings.php | sed -e 's/"//g' -e 's/;//g' -e 's/^ *//g' | cut -d = -f 2 | cut -d "#" -f 1`"

      if [ "$drupal" == "$DOCROOT" ]; then
        drupal_docroot="$drupal"
        rm -f $drupal_dir/sites/$USER.$DOMAIN
        ln -s $drupal_dir/sites/$USER.$DOMAIN.$drupal $drupal_dir/sites/$USER.$DOMAIN
        if [ "$base_url" != "http://$USER.$DOMAIN" ]; then
          update_base_url $drupal
        fi
      else
        if [ "$base_url" != "http://$USER.$DOMAIN/$drupal" ]; then
          update_base_url $drupal
        fi
      fi

    fi
  done

}

function check_instance_installed {

  # check if the instance is installed
  # should return INSTALLED="installed" if its installed :P

  if [ "$PLUGIN_DIR_TYPE" != "none" ]; then

    for instance in `mksite_eval_param $MKSITE_BASE/sites/$USER $PLUGIN_NAME_UPPER`; do
      instance_version="`echo $instance | cut -d : -f 2`"
      instance="`echo $instance | cut -d : -f 1`"
      if [ "$INSTANCE_NAME" == "$instance" ] && [ ! -z "$instance_version" ]; then
        PLUGIN_VERSION="$instance_version"

        if [ -f "$MKSITE_BASE/plugins/$PLUGIN_NAME.conf" ]; then
          drupal_conf="$MKSITE_BASE/plugins/$PLUGIN_NAME.conf"
        else
          drupal_conf="$MKSITE_BASE/defaults/plugins/$PLUGIN_NAME.conf"
        fi

        PLUGIN_DIR="`mksite_eval_param $drupal_conf PLUGIN_DIR`"
        PLUGIN_DIR="$PLUGIN_DIR-$PLUGIN_VERSION"
      fi
    done

    if [  -f "$PLUGIN_DIR/sites/$USER.$DOMAIN.$INSTANCE_NAME/settings.php" ]; then
      INSTALLED="installed"
    fi

  elif [ -f "$PLUGIN_DIR/sites/$USER.$DOMAIN.$INSTANCE_NAME/settings.php" ]; then
    INSTALLED="installed"
  fi

}

function create_folders {

  # cria pasta
  # arquivos da instancia em $HOME/$USER/$INSTANCE_NAME
  mkdir -p $HOME/$USER/$INSTANCE_NAME/{themes,modules}
  ln -s $HOME/$USER/$INSTANCE_NAME/ $PLUGIN_DIR/sites/$USER.$DOMAIN.$INSTANCE_NAME

}

function create_contrib_folders {

  # cria pastas adicionais
  # TODO: como ficam as pastas para projetos com multiplas instancias?
  create_upload_folder $USER
  # TODO: fazer automaticamente
  echo $MESSAGE_SET_UPLOAD_FOLDER files/$site

}

function plugin_post_install {

  return

}

#
# section 3: main procedure
#

mksite_init $*