#!/bin/bash

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

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

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
is_public=$YNH_APP_ARG_IS_PUBLIC
path_url=$YNH_APP_ARG_PATH # Assure la compatibilité avec les fonctions utilisant $path_url
app=$YNH_APP_INSTANCE_NAME
secret=$(ynh_string_random)

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --time --weight=1

final_path=/var/www/$app
test ! -e "$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..." --time --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=$secret--value="$secret"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --time --weight=1

# Find an available port
port=$(ynh_find_port --port=4567)
ynh_app_setting_set --app=$app --key=port --value=$port

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

ynh_install_app_dependencies mongodb
systemctl start mongodb

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --time --weight=1

db_name=$(ynh_sanitize_dbid --db_name=$app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name

mongo --shell "$dbname" --eval 'db.createUser( { user: "'$db_user'", pwd: "'$db_pwd'", roles: [ "readWrite" ] } );' <<< exit
mongo --shell "$dbname" --eval 'db.grantRolesToUser("'$db_user'",[{ role: "clusterMonitor", db: "admin" }]);' <<< exit


#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=6

#ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --time --weight=1

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

#=================================================
# SPECIFIC SETUP
#=================================================
# HANDLE LOG FILES AND LOGROTATE
#=================================================

# Créer le dossier de log
mkdir -p /var/log/$app
touch /var/log/$app/nodebb.log
install_log=/var/log/$app/installation.log
touch $install_log
chown $app -R /var/log/$app
chown admin -R $install_log

# Configuration de logrotate
ynh_use_logrotate

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --time --weight=1

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --time --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# Add Systemd service
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --time --weight=1

ynh_replace_string "__NODEJS__" "$nodejs_use_version" "/etc/systemd/system/$app.service"
ynh_replace_string "__ENV_PATH__" "$PATH" "/etc/systemd/system/$app.service"
ynh_replace_string "__NODE__" "$nodejs_path" "/etc/systemd/system/$app.service"
cat /etc/systemd/system/$app.service

ynh_add_systemd_config

#=================================================
# CONFIGURE SERVER.JS	
#=================================================

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

#=================================================
# CONFIGURE NODEBB
#=================================================

chown -R $app:$app $final_path

pushd $final_path
	exec_as $app ./nodebb setup -l > $install_log
	exec_as $app npm install nodebb-plugin-dbsearch --save-prod
	exec_as $app ./nodebb build -l
popd


#=================================================
# START NodeBB IN BACKGROUND
#=================================================

cat /etc/systemd/system/$app.service
systemctl daemon-reload
systemctl enable $app.service

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

yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"

#=================================================
# START ETHERPAD IN BACKGROUND
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	ynh_permission_update --permission="main" --add="visitors"
fi

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

systemctl reload nginx

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

mail_content=$(cat $install_log | grep '\(Username\|Password\)')*

message=" $app was successfully installed :)
Please open your $app domain: https://$domain$path_url

$mail_content

If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/nodebb_ynh"

ynh_send_readme_to_admin "$message"