#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path_url)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
port=$(ynh_app_setting_get $app port)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set $app is_public 1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set $app is_public 0
	is_public=0
fi

# If final_path doesn't exist, create it
if [ -z $final_path ]; then
	final_path=/var/www/$app
	ynh_app_setting_set $app final_path $final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK THE PATH
#=================================================

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

#=================================================
# STOP HASTE
#=================================================

systemctl stop $app

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_setup_source "$final_path"

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

ynh_add_nginx_config

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

ynh_system_user_create $app

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADE NODEJS
#=================================================

ynh_install_nodejs 4

#=================================================
# UPGRADE NPM MODULES
#=================================================

npm cache clean
npm update

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

ynh_use_logrotate

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

ynh_replace_string "__NODEJS__" "$nodejs_use_version" "../conf/systemd.service"
ynh_replace_string "__ENV_PATH__" "$PATH" "../conf/systemd.service"
ynh_replace_string "__NODEPATH__" "$(dirname "$nodejs_path")" "../conf/systemd.service"

ynh_add_systemd_config

#=================================================
# UPGRADE HASTE CONFIGURATION
#=================================================

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different "$final_path/config.js"

cp ../conf/config.js "$final_path/config.js"
ynh_replace_string "__PORT__" "$port" "$final_path/config.js"
data_path="/home/yunohost.app/$app"
ynh_replace_string "__YNH_DATA_PATH__" "$data_path" "$final_path/config.js"

# Recalculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/config.js"

#=================================================
# UPGRADE HASTE BINARY
#=================================================

ynh_replace_string "__YNH_HASTE_URL__" "${domain}${path_url}" "../conf/haste.sh"
sudo cp ../conf/haste.sh /usr/bin/$app
sudo chmod +x /usr/bin/"$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

chown -R root: $final_path
chown -R $app "$final_path/static"
chown -R $app "$data_path"

#=================================================
# START HASTEBIN
#=================================================

systemctl start $app

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

if [ $is_public -eq 1 ];
then
  ynh_app_setting_set $app skipped_uris "/"
fi

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

systemctl reload nginx