#!/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
	echo ""
}
TRAP_ON	# Active trap to stop the script if an error is detected.

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

app=$YNH_APP_INSTANCE_NAME

script_dir=$PWD

# Check variable is not empty
CHECK_VAR "$app" "app name not set"
CHECK_VAR "$script_dir" "script_dir not set"

CHECK_USER "$admin"	# Check username

CHECK_PATH	# Check and fix path syntax
CHECK_DOMAINPATH	# Check and fix domain disponibility

CHECK_FINALPATH	# Check final path

# Check domain with regex
domain_regex=$(echo "$domain" | sed 's@-@.@g')
CHECK_VAR "$domain_regex" "domain_regex empty"

FIND_PORT 8095	# Check port availability

# Save app settings
ynh_app_setting_set $app admin $admin
ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app port $port


# Copy files to the right place
sudo mkdir "${final_path}"
ynh_app_setting_set $app final_path $final_path

# Get source
SETUP_SOURCE

# Copy it to Nginx conf directory
sudo cp ../conf/nginx.conf /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

ynh_package_update
ynh_package_install carton

## Copy and fix variable into lufi config
sudo cp ../conf/lufi.conf.template "${final_path}/lufi.conf"
sudo sed -i "s@__DOMAIN__@$domain@g" "${final_path}/lufi.conf"
sudo sed -i "s@__PATH__@$path@g" "${final_path}/lufi.conf"
sudo sed -i "s@__PORT__@$port@g" "${final_path}/lufi.conf"

secret=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d 'A-Za-z0-9' | sed -n 's/\(.\{24\}\).*/\1/p')
CHECK_VAR "$secret" "secret empty"
sudo sed -i "s@__SECRET__@$secret@g" "${final_path}/lufi.conf"
STORE_MD5_CONFIG "lufi.conf" "${final_path}/lufi.conf"	# Enregistre la somme de contrôle du fichier de config

# Install systemd script
sudo cp ../conf/lufi.service /etc/systemd/system/lufi.service
sudo chown root: /etc/systemd/system/lufi.service
sudo sed -i "s@__FINALPATH__@$final_path/@g" /etc/systemd/system/lufi.service
## Start service auto
sudo systemctl enable lufi.service

## Install cron
sudo cp ../conf/cron_lufi /etc/cron.d/$app
sudo sed -i "s@__FINALPATH__@$final_path/@g" /etc/cron.d/$app
sudo chmod +x $final_path/script/lufi

# Install logrotate
sed -i "s@__FINALPATH__@$final_path@g" ../conf/logrotate
sudo cp ../conf/logrotate /etc/logrotate.d/$app

# Install lufi via carton
sudo mkdir -p /var/log/$app/
cd $final_path
sudo carton install 2>&1 | sudo tee -a "/var/log/$app/setup_carton.log"

# Configure le path du dossier perl en fonction de l'architecture système
arch_dir=$(ls -1 $final_path/local/lib/perl5/ | grep linux-gnu)
if [ "$?" -ne 0 ]
then
    echo "Impossible de trouver le dossier relatif à l'architecture système." | sudo tee -a "/var/log/$app/setup_carton.log"
	false
fi
CHECK_VAR "$arch_dir" "arch_dir empty"
sudo sed -i "s@__ARCHDIR__@$arch_dir@g" "$final_path/script/lufi"

# Change variables in nginx configuration
sudo sed -i "s@__PATH__@$path@g" /etc/nginx/conf.d/$domain.d/$app.conf
sudo sed -i "s@__PORT__@$port@g" /etc/nginx/conf.d/$domain.d/$app.conf

# Make app public or private
ynh_app_setting_set $app skipped_uris "/"
if [ "$is_public" = "No" ];
then
	if [ "$path" == "/" ]; then
	    path=""
	fi
	ynh_app_setting_set $app protected_regex "$domain_regex$path/stats$","$domain_regex$path/manifest.webapp$","$domain_regex$path/$","$domain_regex$path/d/.*$","$domain_regex$path/m/.*$"
fi

# Making log symbolic link to /var/log
sudo touch /var/log/$app/production.log 
sudo chown www-data: /var/log/$app/production.log
sudo ln -s /var/log/$app/production.log "$final_path/log/production.log"

# Configure owner
sudo chown -R www-data: $final_path

# Start lufi
sudo systemctl daemon-reload
sudo systemctl start lufi.service
sudo systemctl enable lufi.service

# Set right permissions on new files created at first start
sudo chown -R www-data: "$final_path"

# Add lufi as a service
sudo yunohost service add lufi -l $final_path/log/production.log

if [ "$is_public" = "No" ];
then
	# Delete public access
	ynh_app_setting_delete $app unprotected_uris
	sudo yunohost app ssowatconf
fi

# Reload Nginx
sudo service nginx reload