#!/bin/bash

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

# Source YNH helpers
. /usr/share/yunohost/helpers

# 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=$(ynh_app_setting_get "$app" domain)
path=$(ynh_app_setting_get "$app" path)
is_public=$(ynh_app_setting_get "$app" is_public)
redirect_type=$(ynh_app_setting_get "$app" redirect_type)
redirect_path=$(ynh_app_setting_get "$app" redirect_path)

# Remove trailing slash to path
path=${path%/}

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a $app \
  || die "The path ${domain}${path} is not available for app installation."

# Validate redirect path
url_regex='(https?|ftp|file)://[-A-Za-z0-9\+&@#/%?=~_|!:,.;]*[-A-Za-z0-9\+&@#/%=~_|]'
[[ ! $redirect_path =~ $url_regex ]] && ynh_die \
"Invalid destination: $redirect_path" 1

# Check configuration files
NGINX_CONF="/etc/nginx/conf.d/${domain}.d/${app}.conf"
[[ -f $NGINX_CONF ]] && die \
"The NGINX configuration already exists at '${NGINX_CONF}'.
 You should safely delete it before restoring this app."

# Restore configuration files
sudo cp -a ./conf/nginx.conf "$NGINX_CONF"

# Make app public if necessary
if [[ "$is_public" -ne 0 ]];
then
    sudo yunohost app setting $app unprotected_uris -v "/"
fi

# Reload Nginx and regenerate SSOwat conf
sudo service nginx reload
sudo yunohost app ssowatconf