#!/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=$(sudo yunohost app setting $app domain)

# Get old parameter of the app
domain=$(sudo yunohost app setting $app domain)
path=$(sudo yunohost app setting $app path)
admin_user=$(sudo yunohost app setting $app admin_user)
upload_password=$(sudo yunohost app setting $app upload_password)
is_public=$(sudo yunohost app setting $app is_public)

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a $app
if [[ ! $? -eq 0 ]]; then
    echo "There is already an app on this URL : $domain$path" | sudo tee /dev/stderr
    exit 1
fi

# Check that admin user is an existing account
sudo yunohost user list --json | grep -q "\"username\": \"$admin_user\""
if [[ ! $? -eq 0 ]]; then
    echo "Error : the chosen admin user does not exist"
    exit 1
fi

sources_path=/var/www/$app
if [ -d $sources_path ]; then
    echo "There is already a directory: $sources_path " | sudo tee /dev/stderr
    exit 1
fi

data_path=/home/yunohost.app/$app
if [ -d $data_path ]; then
    echo "There is already a directory: $data_path " | sudo tee /dev/stderr
    exit 1
fi

nginx_conf=/etc/nginx/conf.d/$domain.d/$app.conf
if [ -f $nginx_conf ]; then
    echo "There is already a nginx conf file at this path: $nginx_conf " | sudo tee /dev/stderr
    exit 1
fi

phpfpm_conf=/etc/php5/fpm/pool.d/$app.conf
if [ -f $phpfpm_conf ]; then
    echo "There is already a PHP-FPM conf file at this path: $phpfpm_conf " | sudo tee /dev/stderr
    exit 1
fi

# Restore sources & data
sudo cp -a "./sources" $sources_path
sudo cp -a "./data" $data_path

# Restore conf files
sudo cp -a "./conf/nginx.conf" $nginx_conf
sudo cp -a "./conf/php-fpm.conf" $phpfpm_conf

# Reload PHP & Nginx
sudo service php5-fpm restart
sudo service nginx reload

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