#!/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/'

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

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

# 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

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

# Check admin user parameter
	ynh_user_exists "$admin" \
	  || ynh_die "The chosen admin user does not exist"
	ynh_app_setting_set "$app" admin "$admin"

# Copy source files
	src_path=/var/www/$app
	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

# 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

# MySQL
	dbuser=$app
	dbname=$app
	dbpass=$(ynh_string_random 12)
	ynh_app_setting_set "$app" mysqlpwd "$dbpass"
	ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
	
# Conf
	app_conf=../conf/common.php
	sed -i "s@DBNAME_TO_CHANGE@$dbname@g" $app_conf
	sed -i "s@DBUSER_TO_CHANGE@$dbuser@g" $app_conf
	sed -i "s@DBPASS_TO_CHANGE@$dbpass@g" $app_conf
	sudo cp $app_conf $src_path/protected/config/common.php

# Set permissions to app files
	sudo chown -R www-data: $src_path
	
# 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 services
	sudo service php5-fpm reload
	sudo service nginx reload

# Install
	# Disable SSO
	ynh_app_setting_set "$app" unprotected_uris "/"
	sudo yunohost app ssowatconf

	# Install with CURL
	admin_temp_pass=$(ynh_string_random 6)
	admin_email=$(sudo yunohost user info "$admin" --output-as plain | ynh_get_plain_key mail)
	admin_firstname=$(sudo yunohost user info "$admin" --output-as plain | ynh_get_plain_key firstname)
	admin_lastname=$(sudo yunohost user info "$admin" --output-as plain | ynh_get_plain_key lastname)

	ynh_local_curl "/index.php?r=installer/index/go" "go"

	ynh_local_curl "/index.php?r=installer/config/basic" \
		"ConfigBasicForm[name]=YunoHost"

	ynh_local_curl "/index.php?r=installer/config/use-case" \
		"UseCaseForm[useCase]=" \
		"UseCaseForm[useCase]=other"

	ynh_local_curl "/index.php?r=installer/config/admin" \
		"User[username]=$admin" \
		"User[email]=$admin_email" \
		"Password[newPassword]=$admin_temp_pass" \
		"Password[newPasswordConfirm]=$admin_temp_pass" \
		"Profile[firstname]=$admin_firstname" \
		"Profile[lastname]=$admin_lastname" \
		"save"

	ynh_local_curl "/index.php?r=installer/config/sample-data" \
		"SampleDataForm[sampleData]=0"

	# Populate the LDAP parameters
	sed -i "s@YNH_ADMIN_USER@$admin@g" ../conf/ldap.sql
	mysql -u ${dbuser} -p${dbpass} ${dbname} < ../conf/ldap.sql

	# Enable SSO if chosen by the user
	if [ $is_public = 0 ];
	then
	  	ynh_app_setting_delete $app unprotected_uris
		sudo yunohost app ssowatconf
	fi