#!/bin/bash

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

source .fonctions	# Loads the generic functions usually used in the script
source /usr/share/yunohost/helpers # Source app helpers

CLEAN_SETUP () {
	# Clean installation residues that are not supported by the remove script.
	# Clean hosts
	sudo sed -i '/#SPIP/d' /etc/hosts
}
TRAP_ON	# Active trap to stop the script if an error is detected.

domain=$YNH_APP_ARG_DOMAIN
path=$YNH_APP_ARG_PATH
admin_spip=$YNH_APP_ARG_ADMIN
language=$YNH_APP_ARG_LANGUAGE
is_public=$YNH_APP_ARG_IS_PUBLIC
ldap=$YNH_APP_ARG_LDAP

app=$YNH_APP_INSTANCE_NAME

CHECK_VAR "$app" "app name not set"

CHECK_USER "$admin_spip"

CHECK_PATH

CHECK_DOMAINPATH

CHECK_FINALPATH

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path
ynh_app_setting_set $app admin $admin_spip
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app language $language
ynh_app_setting_set $app ldap $ldap

GENERATE_DB $app	# Create a database and a dedicated user in the app name

# Creates the destination directory and stores its location.
sudo mkdir "$final_path"
ynh_app_setting_set $app final_path $final_path

# Get source
SETUP_SOURCE

# Set permissions spip directory
sudo chown -R www-data: $final_path

echo -e "127.0.0.1 $domain #SPIP" | sudo tee -a /etc/hosts

# Copy nginx configuration
sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/$app.conf

# Modif the variables in the nginx configuration file
sudo sed -i "s@__PATHTOCHANGE__@$path@g" /etc/nginx/conf.d/$domain.d/$app.conf
sudo sed -i "s@__FINALPATH__@$final_path@g" /etc/nginx/conf.d/$domain.d/$app.conf
sudo sed -i "s@__NAMETOCHANGE__@$app@g" /etc/nginx/conf.d/$domain.d/$app.conf

if [ "$is_public" = "Yes" ];
then
	sudo sed -i "s@#--PRIVATE--@@g" /etc/nginx/conf.d/$domain.d/$app.conf
fi

# Create the php-fpm pool config
POOL_FPM

sudo cp ../conf/connect.php $final_path/config/connect.php
sudo cp ../conf/mes_options.php $final_path/config/mes_options.php 

#Allow plugins installation directly from SPIP
sudo mkdir $final_path/plugins/
sudo mkdir $final_path/plugins/auto/
sudo chown www-data:www-data -R $final_path/plugins/

# Change SPIP configuration file variables
sudo sed -i "s@__DB_USER__@$db_user@g" $final_path/config/connect.php
sudo sed -i "s@__DB_PWD__@$db_pwd@g" $final_path/config/connect.php 

db_md5=$(echo $db_pwd | md5sum | awk '{print $1}')
db_sha=$(echo $db_pwd | openssl dgst -sha1 -hmac "key" | awk -F'= ' {'print $2'})
language="$(echo $language | head -c 2)"

# Change spip_auteurs table informations
sudo sed -i "s@__ADMIN_SPIP__@$admin_spip@g" ../conf/sql/spip.sql
sudo sed -i "s@__PATH__@$path@g" ../conf/sql/spip.sql
sudo sed -i "s@__DB_USER__@$db_user@g" ../conf/sql/spip.sql
sudo sed -i "s@__DB_PWD__@$db_md5@g" ../conf/sql/spip.sql
sudo sed -i "s@__DOMAIN__@$domain@g" ../conf/sql/spip.sql
sudo sed -i "s@__DB_SHA__@$db_sha@g" ../conf/sql/spip.sql
sudo sed -i "s@__LANG_SPIP__@$language@g" ../conf/sql/spip.sql

for i in 1 2 3 4 5 6 7 8
do
	j=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{40\}\).*/\1/p')
	if [ "$j" = "" ];
	then
		# For obscure reasons, the loop is too fast at execution
		sleep 1
		j=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{40\}\).*/\1/p')
	fi
	sudo sed -i "s/__ALEA_ACTUEL__/$j/g" ../conf/sql/spip.sql
	sudo sed -i "s/__ALEA_FUTUR__/$j/g" ../conf/sql/spip.sql
done

# Load the tables structure into the database.
mysql --debug-check -u $db_user -p$db_pwd $db_user < ../conf/sql/spip.sql

# Use LDAP for SPIP
if [ "${ldap}" = "Yes" ];
then
	sudo cp ../conf/ldap.php $final_path/config/ldap.php
	sudo sed -i "s/__LDAP__/ldap/g" $final_path/config/connect.php    
	sudo mysql -e "INSERT INTO spip_meta (nom, valeur, impt) VALUES ('ldap_statut_import', '1comite', 'oui');" -u $db_user -p$db_pwd $db_user

else
	sudo sed -i "s@__LDAP__@@g" $final_path/config/connect.php 
fi

# Setup SSOwat
ynh_app_setting_set "$app" is_public "$is_public"
if [ "$is_public" = "Yes" ];
then
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

# Reload SSOwat configuration
sudo yunohost app ssowatconf

# Reload Nginx and regenerate SSOwat conf
sudo systemctl reload php5-fpm
sudo systemctl reload nginx

# clean hosts
sudo sed -i '/#SPIP/d' /etc/hosts