#!/bin/bash

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

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

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# 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="/"
expire=$YNH_APP_ARG_EXPIRE

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_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=$app --key=is_public --value=$is_public
ynh_app_setting_set --app=$app --key=expire --value=$expire

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring firewall..." --weight=3

port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=20

ynh_install_app_dependencies $pkg_dependencies

# Install Nodejs
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version

#=================================================
# 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

#=================================================
# 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=3

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

#=================================================
# INSTALL ETHERCALC
#=================================================
ynh_script_progression --message="Building EtherCalc... (this will take some time and resources!)" --weight=24

pushd "$final_path" || ynh_die
	ynh_use_nodejs
	ynh_exec_warn_less npm install #-g ethercalc
popd || ynh_die

#=================================================
# SETUP SYSTEMD BASED SERVICES
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH"    --target_file="../conf/systemd.service"
ynh_replace_string --match_string="__YNH_NPM__"  --replace_string="$ynh_npm" --target_file="../conf/systemd.service"
ynh_replace_string --match_string="__PORT__"     --replace_string="$port"    --target_file="../conf/systemd.service"
ynh_replace_string --match_string="__EXPIRE__"   --replace_string="$expire"  --target_file="../conf/systemd.service"

ynh_add_systemd_config

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

chown -R $app: $final_path

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description "Collaborative spreadsheet editor" --log "/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=2

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" #--line_match="HTTP Server listening"

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

# Make app public if necessary or protect it
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=2

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Installation of EtherCalc completed" --last