#!/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="/"
secret=$(ynh_string_random)

app=$YNH_APP_INSTANCE_NAME

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

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

# Install Nodejs
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PostgreSQL database..." --weight=9

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

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=3

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# 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..." --weight=2

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="$final_path"
git clone -b v1.17.x https://github.com/NodeBB/NodeBB.git "$final_path" --quiet

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

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

pushd $final_path
	ynh_exec_as $app env $ynh_node_load_PATH $final_path/nodebb setup #-l > $install_log
popd

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=3

# Create a dedicated NGINX config
ynh_add_nginx_config

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

ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"

ynh_add_systemd_config

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

ynh_add_config --template="../conf/config.json" --destination="$final_path/config.json"
chmod 400 "$final_path/config.json"
chown $app "$final_path/config.json"

#=================================================
# 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 $app --description="Nodejs Forum" --log="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name=$app --action=restart --log_path="/var/log/$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
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload


#=================================================
# 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"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed" --last