#!/bin/bash

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

source _common.sh
source ynh_install_ruby__2
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=2

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
snserver_domain=$(ynh_app_setting_get --app=$app --key=snserver_domain)

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..."

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=69

# 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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

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

if [ -z "$snserver_domain" ]; then
	snserver_domain="api.standardnotes.com"
fi

if ynh_compare_current_package_version --comparison lt --version 3.66.0~ynh1
then
	# Remove old service
    ynh_script_progression --message="Removing $app service..."  --weight=1
    yunohost service remove "$app"

	# Remove the dedicated systemd config
	ynh_script_progression --message="Stopping and removing the systemd service..."  --weight=1
	ynh_remove_systemd_config --service="$app"

	# Remove unneeded ruby
	ynh_remove_ruby
	ynh_secure_remove --file="$final_path/.bundle"
	ynh_secure_remove --file="$final_path/.ruby-version"
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=17

	ynh_secure_remove --file="$final_path/live"

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$final_path/live"
fi

# Set permissions to app files
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=37

ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"

#=================================================
# SPECIFIC UPGRADE
#=================================================
#=================================================
# BUILDING 
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Building... ( This may take a while... )" --weight=100 #131

	pushd "$final_path/live"
		ynh_use_nodejs
		ynh_exec_warn_less ynh_exec_as $app env NODE_OPTIONS="--max-old-space-size=$node_max_old_space_size" $ynh_node_load_PATH yarn install --immutable
		ynh_exec_warn_less ynh_exec_as $app env NODE_OPTIONS="--max-old-space-size=$node_max_old_space_size" $ynh_node_load_PATH yarn build:web
	popd
	chown -R $app:www-data "$final_path"
fi

#=================================================
# Modify Config
#=================================================
ynh_script_progression --message="Configuring..." --weight=1

# If $path is used modify .js file for a working app on a subpath
cp "$final_path/live/packages/web/dist/app.js" "$final_path/live/packages/web/dist/app.js.orginal"
if [ $path_url != "/" ]
then
	ynh_replace_string --match_string="/components/" --replace_string="$path_url/components/" --target_file="$final_path/live/packages/web/dist/app.js"
fi

# Modify Config
index_file="$final_path/live/packages/web/dist/index.html"
ynh_replace_string --match_string="\(defaultSyncServer = \).*" --replace_string="\1\"https://$snserver_domain\"" --target_file="$index_file"
ynh_replace_string --match_string="\(defaultFilesHost = \).*" --replace_string="\1\"\"" --target_file="$index_file"
ynh_replace_string --match_string="\(enabledUnfinishedFeatures = \).*" --replace_string="\1false" --target_file="$index_file"
ynh_replace_string --match_string="\(websocketUrl = \).*" --replace_string="\1\"\"" --target_file="$index_file"
ynh_replace_string --match_string="\(purchaseUrl = \).*" --replace_string="\1\"\"" --target_file="$index_file"
ynh_replace_string --match_string="\(plansUrl = \).*" --replace_string="\1\"\"" --target_file="$index_file"
ynh_replace_string --match_string="\(dashboardUrl =\).*" --replace_string="\1\"\"" --target_file="$index_file"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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