#!/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=$YNH_APP_ARG_DOMAIN
path_url="/"
is_public=$YNH_APP_ARG_IS_PUBLIC
is_signup=$YNH_APP_ARG_IS_SIGNUP

app=$YNH_APP_INSTANCE_NAME

# Define app's data directory
datadir="/home/yunohost.app/${app}/storage"

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=2

final_path=/opt/yunohost/$app

test ! -e "$final_path" || ynh_die --message="This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=is_signup --value=$is_signup
ynh_app_setting_set --app=$app --key=datadir --value=$datadir

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=2

# Find an available port
port=$(ynh_find_port --port=8008)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=23

ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
ynh_use_nodejs

#=================================================
# CHECK AND CREATE FINAL_PATH
#=================================================
ynh_script_progression --message="Setting up and create final app path..." --weight=1

ynh_app_setting_set --app=$app --key=final_path --value=$final_path

# Create final_path
mkdir -p "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2

# Create a system user
ynh_system_user_create --username=$app

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

ynh_add_config --template="../conf/config.sample.yml" --destination="$final_path/config.yml"

chmod 400 "$final_path/config.yml"
chown $app:$app "$final_path/config.yml"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=3

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# CREATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a data directory..." --weight=1

ynh_app_setting_set --app=$app --key=datadir --value=$datadir

# Create app data folder
mkdir -p $datadir

#=================================================
# SETUP ARMADIETTO AS A SERVICE
#=================================================
ynh_script_progression --message="Configuring armadietto as a service..." --weight=2

# Define armadietto module path
module_path="$node_version_path/$nodejs_version/lib/node_modules/armadietto/lib"

ynh_add_config --template="../conf/server.js" --destination="$final_path/server.js"

chmod 400 "$final_path/server.js"
chown $app:$app "$final_path/server.js"

#=================================================
# INSTALL ARMADIETTO
#=================================================
ynh_script_progression --message="Install armadietto with npm..." --weight=1

pushd $final_path
	ynh_npm -g i armadietto
popd

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Secure files and directories" --weight=1

# Set permissions to app files
chown -R $app:$app "$final_path"
chmod 0700 "$datadir"
chown $app:$app "$datadir"

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Armadietto run a remotestorage server as service" --log="/var/log/$app/$app.log"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=2

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# START ARMADIETTO
#=================================================
ynh_script_progression --message="Start armadietto web server..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Installation of $app completed" --last