#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME
secret=$(ynh_string_random 24)

script_dir=$PWD

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

domain_regex=$(echo "$domain" | sed 's@-@.@g')

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path $path_url)

# Check web path availability
ynh_webpath_available $domain $path_url
# Register (book) web path
ynh_webpath_register $app $domain $path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

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
ynh_app_setting_set $app secret $secret

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
port=$(ynh_find_port 8096)
# Open this port
yunohost firewall allow --no-upnp TCP $port 2>&1
ynh_app_setting_set $app port $port

#=================================================
# INSTALL DEPENDENCIES
#=================================================

ynh_install_app_dependencies build-essential cpanminus

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_app_setting_set $app final_path $final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config
if [ "$is_public" = true ];
then
	sudo sed -i "s@#--PRIVATE--@@g" /etc/nginx/conf.d/$domain.d/$app.conf
fi

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a system user
ynh_system_user_create $app

#=================================================
# Copy and fix variable into lufi config
#=================================================

sudo cp ../conf/lufi.conf.template "${final_path}/lufi.conf"
ynh_replace_string "__DOMAIN__" "$domain" "${final_path}/lufi.conf"
ynh_replace_string "__PATH__" "$path_url" "${final_path}/lufi.conf"
ynh_replace_string "__PORT__" "$port" "${final_path}/lufi.conf"
ynh_replace_string "__SECRET__" "$secret" "${final_path}/lufi.conf"

#=================================================
# Set right permissions on new files created at first start
#=================================================

sudo chown -R $app:$app "$final_path"

#=================================================
# Install Carton
#=================================================

echo yes | sudo cpanm Carton

#=================================================
# Install lufi via carton
#=================================================

mkdir -p /var/log/$app/
pushd $final_path
carton install 2>&1 | sudo tee -a "/var/log/$app/setup_carton.log"
popd

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

ynh_store_file_checksum "${final_path}/lufi.conf"

#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
## Install cron
#=================================================

cp ../conf/cron_lufi /etc/cron.d/$app
ynh_replace_string "__FINALPATH__" "$final_path/" "/etc/cron.d/$app"
chmod +x $final_path/script/lufi

#=================================================
# Making log symbolic link to /var/log
#=================================================

touch /var/log/$app/production.log 
chown www-data: /var/log/$app/production.log
ln -s /var/log/$app/production.log "$final_path/log/production.log"

#=================================================
# Start lufi
#=================================================

sudo systemctl start $app.service

#=================================================
# SETUP LOGROTATE
#=================================================

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add NAME_INIT.D --log "/var/log/FILE.log"

#=================================================
# SETUP SSOWAT
#=================================================

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway.
	ynh_app_setting_set $app unprotected_uris "/"
else
	if [ "$path_url" == "/" ]; 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

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx