#!/bin/bash

# causes the shell to exit if any subcommand or pipeline returns a non-zero status
set -e

# This is a multi-instance app, meaning it can be installed several times independently
# The id of the app as stated in the manifest is available as $YNH_APP_ID
# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
# The app instance name is available as $YNH_APP_INSTANCE_NAME
#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
# The app instance name is probably what you are interested the most, since this is
# guaranteed to be unique. This is a good unique identifier to define installation path,
# db names, ...
app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

# Remove trailing slash to path
path=${path%/}
#force location to be / or /foo
location=${path:-/}


# Check domain/path availability
sudo yunohost app checkurl $domain$path -a $app
if [[ ! $? -eq 0 ]]; then
    exit 1
fi

# Save app settings
sudo yunohost app setting $app admin -v "$admin" 
sudo yunohost app setting $app is_public -v "$is_public" 


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

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

# Files owned by root, www-data can just read
sudo find $final_path -type f -print0 | sudo xargs -0 chmod 0644
sudo find $final_path -type d -print0 | sudo xargs -0 chmod 0755
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,lib/tpl}
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,lib/tpl}

# 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/$app.conf


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

sudo service nginx reload