#!/bin/bash

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

app=$YNH_APP_INSTANCE_NAME
version=$(cat ../sources/version)
source='https://sourceforge.net/projects/humhub/files/'

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

# Retrieve app settings
	domain=$(ynh_app_setting_get "$app" domain)
	path=$(ynh_app_setting_get "$app" path)
	dbuser=$app
	dbname=$app
	dbpass=$(ynh_app_setting_get "$app" mysqlpwd)
	src_path=/var/www/$app

# Correct path: puts a / at the start and nothing at the end
	if [ "${path:0:1}" != "/" ]; then
		path="/$path"
	fi
	if [ "${path:${#path}-1}" == "/" ] && [ ${#path} -gt 1 ]; then
		path="${path:0:${#path}-1}"
	fi

# Copy source files
	sudo mv "$src_path" "$src_path.old"
	sudo mkdir -p $src_path
	sudo wget -q "${source}humhub-${version}.zip/download" -O humhub-${version}.zip
	sudo unzip -qq humhub-${version}.zip
	sudo cp -a humhub-$version/. $src_path

# Restore files
	sudo cp -a "$src_path.old/uploads/." "$src_path/uploads/."
	sudo cp -a "$src_path.old/protected/runtime" "$src_path/protected/runtime"
	sudo cp -a "$src_path.old/protected/config/." "$src_path/protected/config/"
	sudo cp -a "$src_path.old/protected/modules/." "$src_path/protected/modules/"
	sudo cp -a "$src_path.old/themes/." "$src_path/themes/"

# Hotfixes
	# Fix LDAP email. See https://github.com/humhub/humhub/issues/1949
	sudo cp -a ../sources/fix/AuthClientHelpers.php $src_path/protected/humhub/modules/user/authclient/AuthClientHelpers.php
	# Fix to allow passwordless LDAP login
	sudo cp -a ../sources/fix/ZendLdapClient.php $src_path/protected/humhub/modules/user/authclient/ZendLdapClient.php
	sudo sed -i "s@defined('YII_DEBUG') or define('YII_DEBUG', true);@//defined('YII_DEBUG') or define('YII_DEBUG', true);@g" $src_path/index.php
		sudo sed -i "s@defined('YII_ENV') or define('YII_ENV', 'dev');@//defined('YII_ENV') or define('YII_ENV', 'dev');@g" $src_path/index.php

# Set permissions to app files
	sudo chown -R www-data: $src_path

# Upgrade
	sudo sudo -u www-data php $src_path/protected/yii migrate/up --includeModuleMigrations=1 --interactive=0 > /dev/null 2>&1

# Upgrade cron
	echo "30 * * * * $src_path/protected/yii cron hourly >/dev/null 2>&1" > cron
	echo "00 18 * * * $src_path/protected/yii cron daily >/dev/null 2>&1" > cron
	sudo mv cron /etc/cron.d/${app}
	sudo chown root /etc/cron.d/${app}

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

# PHP
	sed -i "s@YNH_WWW_APP@$app@g" ../conf/php-fpm.conf
	sed -i "s@YNH_WWW_ALIAS@$src_path/@g" ../conf/php-fpm.conf
	finalphpconf=/etc/php5/fpm/pool.d/$app.conf
	sudo cp ../conf/php-fpm.conf $finalphpconf
	sudo chown root: $finalphpconf
	sudo chmod 644 $finalphpconf

# Reload nginx service
	sudo service php5-fpm reload
	sudo service nginx reload

# Delete old source
	sudo rm -rf "$src_path.old"