#!/bin/bash

# Exit on command errors and treat unset variables as an error
	set -eu
	app=$YNH_APP_INSTANCE_NAME
	rainloop_version='1.10.5.192'

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

# Retrieve arguments
	domain=$YNH_APP_ARG_DOMAIN
	path=$YNH_APP_ARG_PATH
	is_public=$YNH_APP_ARG_IS_PUBLIC
	password=$YNH_APP_ARG_PASSWORD
	ldap=$YNH_APP_ARG_LDAP
	lang=$YNH_APP_ARG_LANG

# Correct path
	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}"

# Use 'rainloop' as database name and user
	dbuser=$app
	dbname=$app
	dbpass=$(ynh_string_random)

# Initialize database and store mysql password for upgrade
	ynh_mysql_create_db "$dbname" "$dbuser" "$dbpass"
	ynh_app_setting_set "$app" mysqlpwd "$dbpass"

# Create the final path and copy sources
	final_path=/var/www/$app
	rainloop_path=${final_path}/app

	sudo rm -rf $final_path
	sudo mkdir -p $final_path
	sudo mkdir -p $rainloop_path

	# Download sources and keys
	sudo wget -q https://github.com/RainLoop/rainloop-webmail/releases/download/v${rainloop_version}/rainloop-community-${rainloop_version}.zip
	sudo wget -q https://github.com/RainLoop/rainloop-webmail/releases/download/v${rainloop_version}/rainloop-community-${rainloop_version}.zip.asc
	sudo wget -q https://repository.rainloop.net/RainLoop.asc
	# Verify the integrity of sources
	sudo gpg --import --quiet RainLoop.asc
	sudo gpg --verify --quiet rainloop-community-${rainloop_version}.zip.asc rainloop-community-${rainloop_version}.zip || ynh_die "Download failed"
	sudo gpg --batch --delete-key --yes Rainloop
	# Unzip
	sudo unzip -qq rainloop-community-${rainloop_version}.zip -d $rainloop_path/
	
	# Install plugins
	sudo mkdir -p $rainloop_path/data/_data_/_default_/plugins
	sudo cp -rf ../sources/plugins/auto-domain-grab $rainloop_path/data/_data_/_default_/plugins/.
	sudo cp -rf ../sources/plugins/ynh-login-mapping $rainloop_path/data/_data_/_default_/plugins/.
	sudo cp -rf ../sources/plugins/ynh-ldap-suggestions $rainloop_path/data/_data_/_default_/plugins/.

# Autoconfig
	sudo mkdir -p $rainloop_path/data/_data_/_default_/configs/
	application_file=$rainloop_path/data/_data_/_default_/configs/application.ini

	# Set lang => define from install manifest
	case "$lang" in
        Francais)
            lang="fr"
            ;;
        English)
            lang="en"
            ;;
        *)
            lang="en"
	esac
	ynh_app_setting_set "$app" lang "$lang"
	
	# Set plugins
	plugins="auto-domain-grab"		# This plugin is trying to automatically grab unknown domains if users want to add external email accounts
	if [ "$ldap" = "Yes" ];
	then
		plugins="$plugins,ynh-ldap-suggestions"		# This plugin is to suggest YunoHost users in recipients list
	fi
	ynh_app_setting_set "$app" plugins "$plugins"
	
	sudo cp ../conf/data/configs/application.ini $application_file
	sudo sed -i "s@domain.tld@$domain@g"         $application_file
	sudo sed -i "s@MYSQLUSER@$dbuser@g"         $application_file
	sudo sed -i "s@MYSQLPASSWORD@$dbpass@g"      $application_file
	sudo sed -i "s@LANGTOCHANGE@$lang@g"         $application_file
	sudo sed -i "s@PLUGINSTOENABLE@$plugins@g"   $application_file

# Set admin password
	sudo php ../conf/config.php --index="$rainloop_path/index.php" --password="$password"
	ynh_app_setting_set "$app" password "$password"

# Add default domain configs by looping through all the domains already added
	sudo mkdir -p $rainloop_path/data/_data_/_default_/domains/
	# get list of ldap domains
	alldomains=`ldapsearch -LLL -x -b ou=domains,dc=yunohost,dc=org -s one "objectclass=top" virtualdomain | grep -v "dn:" | sed "s/virtualdomain://" `
	for ldomain in $alldomains ; do
		sudo cp ../conf/data/domains/domain.tld.ini $rainloop_path/data/_data_/_default_/domains/$ldomain.ini
	done
	# Add wildcard domain for auto-grab
	sudo cp ../conf/data/domains/default.ini $rainloop_path/data/_data_/_default_/domains/default.ini

# install SSO - at the moment the index is the SSO and rainloop is installed in /app
	sudo cp ../sources/sso/sso.php        $final_path/index.php
	sudo sed -i "s@domain.tld@$domain@g"  $final_path/index.php
	sudo sed -i "s@PATHTOCHANGE@$path@g"  $final_path/index.php

# Install PGPback by chtixof to allow users to backup/restore their PGP private keys on the server
	sudo cp -rf ../sources/pgpback        	  $final_path/.

# Set permissions to rainloop directory
	sudo find $final_path/. -type d -exec chmod 755 {} \;
	sudo find $final_path/. -type f -exec chmod 644 {} \;
	sudo chown -R www-data:www-data $final_path

# Install Nginx configuration file
	nginx_conf_file=/etc/nginx/conf.d/$domain.d/$app.conf
	sudo cp ../conf/nginx.conf $nginx_conf_file
	sudo sed -i "s@PATHTOCHANGE@$path@g"         $nginx_conf_file
	sudo sed -i "s@ALIASTOCHANGE@$final_path/@g" $nginx_conf_file
	sudo sed -i "s@NAMETOCHANGE@$app@g"          $nginx_conf_file
	sudo chown root:                             $nginx_conf_file
	sudo chmod 644                               $nginx_conf_file

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

# Make app public if necessary
	ynh_app_setting_set "$app" is_public "$is_public"
	if [ "$is_public" = "Yes" ];
	then
		ynh_app_setting_set "$app" skipped_uris "/"
	fi

# Reload services
	sudo service php5-fpm restart || true
	sudo service nginx reload || true