#!/bin/bash
APP=`echo -n doku;echo wiki`
domain=$(sudo yunohost app setting dokuwiki domain)
path=$(sudo yunohost app setting dokuwiki path)
admin=$(sudo yunohost app setting dokuwiki admin)
is_public=$(sudo yunohost app setting dokuwiki is_public)

# admin default value, if not set
if [ -z "$admin" ];
then
    admin=$(sudo yunohost user list | grep 'username' -m1 | awk '{print $2}')
    sudo yunohost app setting dokuwiki is_public -v "$is_public"
fi


# Path need a trailing slash, and location does not.
# See conf/nginx.conf usage
location=$path
if [[ ! $path == */ ]]; then
    # no trailing slash, so add it
    path=$path/
fi
if [[ ! "$location" == "/" ]]; then
    # remove possible trailing slash
    location=${location%/}
fi

# Modify dokuwiki conf
sed -i "s@YNH_ADMIN_USER@$admin@g" ../conf/$APP.php

# Copy files to the right place
final_path=/var/www/dokuwiki
sudo mkdir -p $final_path
sudo cp -a ../sources/* $final_path
sudo cp ../conf/$APP.php $final_path/conf
sudo cp ../conf/acl.auth.php $final_path/conf

# Remove upgrade notification
# See https://www.dokuwiki.org/update_check
sudo touch $final_path/doku.php

# Remove deleted files
# See https://www.dokuwiki.org/install:unused_files
grep -Ev '^($|#)' ../sources/data/deleted.files | xargs -I {} sudo rm -vrf $final_path/{}

# Files owned by root, www-data can just read
sudo find $final_path -type f | xargs sudo chmod 0644
sudo find $final_path -type d | xargs sudo chmod 755
sudo chown -R root: $final_path

# except for conf, data, some data subfolders, and lib/plugin, where www-data must have write permissions
sudo chown -R www-data:root $final_path/{conf,data,data/attic,data/cache,data/index,data/locks,data/media*,data/meta,data/pages,data/tmp,lib/plugins}
sudo chmod -R 700 $final_path/{conf,data,data/attic,data/cache,data/index,data/locks,data/media*,data/meta,data/pages,data/tmp,lib/plugins}

# Modify Nginx configuration file and copy it to Nginx conf directory
sed -i "s@YNH_WWW_LOCATION@$location@g" ../conf/nginx.conf
sed -i "s@YNH_WWW_PATH@$path@g" ../conf/nginx.conf
sed -i "s@YNH_WWW_ALIAS@$final_path/@g" ../conf/nginx.conf
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/dokuwiki.conf

if [ "$is_public" = "Yes" ];
then
  sudo yunohost app setting dokuwiki skipped_uris -d
  sudo yunohost app setting dokuwiki unprotected_uris -v "/"
fi

sudo service nginx reload