#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

# 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=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC

# Source YunoHost helpers
source /usr/share/yunohost/helpers

# Save app settings
ynh_app_setting_set "$app" is_public "$is_public"

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path_url}" -a "$app" \
    || ynh_die "Path not available: ${domain}${path_url}"

# Check needed packages
if ! ynh_package_is_installed "wget" ; then
    apt-get install -y wget
fi
if ! ynh_package_is_installed "unzip" ; then
    apt-get install -y unzip
fi

# Copy source files
src_path=/var/www/$app
sudo mkdir -p $src_path
mkdir ../sources/
cd ../sources/
wget -q https://github.com/SVG-Edit/svgedit/releases/download/svg-edit-2.8.1/svg-edit-2.8.1.zip
unzip svg-edit-2.8.1.zip
cd -
sudo cp -a ../sources/svg-edit-2.8.1/. $src_path
rm -rf ../sources/svg-edit-2.8.1/ ../sources/svg-edit-2.8.1.zip
touch $src_path/config.js $src_path/custom.css

# Set permissions to app files
# you may need to make some file and/or directory writeable by www-data (nginx user)
sudo chown -R root: $src_path

# Modify Nginx configuration file and copy it to Nginx conf directory
nginx_conf=../conf/nginx.conf
sed -i "s@YNH_WWW_PATH@$path_url@g" $nginx_conf
sed -i "s@YNH_WWW_ALIAS@$src_path/@g" $nginx_conf
sudo cp $nginx_conf /etc/nginx/conf.d/$domain.d/$app.conf

# If app is public, add url to SSOWat conf as skipped_uris
if [[ $is_public -eq 1 ]]; then
  # unprotected_uris allows SSO credentials to be passed anyway.
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

# Reload services
sudo service nginx reload