#!/bin/bash

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

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


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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..."

ynh_systemd_action --service_name="$app-chat" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-clsi" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-contacts" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-docstore" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-document-updater" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-filestore" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-notifications" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-real-time" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-spelling" --action="stop" --log_path="/var/log/$app/$app.log"
#ynh_systemd_action --service_name="$app-track-changes" --action="stop" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-web" --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."

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

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

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir/build"
	ynh_setup_source --dest_dir="$install_dir/build_ldap" --source_id="ldap"
fi

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

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

ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_install_mongo

# Upgrade NPM
ynh_npm install --global npm@latest

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

ynh_add_config --template="../conf/variables.env" --destination="$install_dir/variables.env"
chmod 400 "$install_dir/variables.env"
chown $app:$app "$install_dir/variables.env"

ynh_add_config --template="../conf/settings.js" --destination="$install_dir/settings.js"
chmod 400 "$install_dir/settings.js"
chown $app:$app "$install_dir/settings.js"

#=================================================
# BUILDING APP
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Building app..."

	ynh_secure_remove --file="$install_dir/live"
	mkdir -p "$install_dir/live"
	cp "$install_dir/build/server-ce/genScript.js" "$install_dir/live/genScript.js"
	cp "$install_dir/build/server-ce/services.js" "$install_dir/live/services.js"
	cp "$install_dir/build/package.json" "$install_dir/live/package.json"
	cp "$install_dir/build/package-lock.json" "$install_dir/live/package-lock.json"
	cp -r "$install_dir/build/libraries/" "$install_dir/live/libraries/"
	cp -r "$install_dir/build/services/" "$install_dir/live/services/"

	cp "$install_dir/build_ldap/ldap-overleaf-sl/sharelatex/AuthenticationManager.js" "$install_dir/live/services/web/app/src/Features/Authentication/AuthenticationManager.js"
	cp "$install_dir/build_ldap/ldap-overleaf-sl/sharelatex/ContactController.js" "$install_dir/live/services/web/app/src/Features/Contacts/ContactController.js"
	#sed -iE '/type=.*email.*/d' $install_dir/live/services/web/app/views/user/login.pug
	#sed -iE "s/email@example.com/${login_text:-user}/g" $install_dir/live/services/web/app/views/user/login.pug
	#sed -iE '/email@example.com/{n;N;N;d}' $install_dir/live/services/web/app/views/user/login.pug
	sed -iE "s%-synctex=1\",%-synctex=1\", \"-shell-escape\",%g" $install_dir/live/services/clsi/app/js/LatexRunner.js
	sed -iE "s%'-synctex=1',%'-synctex=1', '-shell-escape',%g" $install_dir/live/services/clsi/app/js/LatexRunner.js
	cp "$install_dir/build_ldap/ldap-overleaf-sl/sharelatex/settings.pug" "$install_dir/live/services/web/app/views/user/settings.pug"
	cp "$install_dir/build_ldap/ldap-overleaf-sl/sharelatex/navbar.pug" "$install_dir/live/services/web/app/views/layout/navbar.pug"
	cp "$install_dir/build_ldap/ldap-overleaf-sl/sharelatex/admin-sysadmin.pug" "$install_dir/live/services/web/app/views/admin/index.pug"
	ynh_secure_remove --file="$install_dir/live/services/web/app/views/project/editor/review-panel.pug"
	touch "$install_dir/live/services/web/app/views/project/editor/review-panel.pug"

	ynh_secure_remove --file="$install_dir/build"
	ynh_secure_remove --file="$install_dir/build_ldap"

	pushd "$install_dir/live"
		ynh_use_nodejs
		ynh_exec_warn_less $ynh_npm install -g sandboxed-module@latest
		npm ci
	popd

	pushd "$install_dir/live/services/web"
		ynh_exec_warn_less npm run webpack:production
		ynh_exec_warn_less npm install -g npm
		ynh_exec_warn_less npm install ldap-escape
		ynh_exec_warn_less npm install ldapts-search
		ynh_exec_warn_less npm install ldapts
		ynh_exec_warn_less npm install ldap-escape
		ynh_exec_warn_less npm cache clean --force
		ynh_secure_remove --file="$install_dir/live/services/web/node_modules/.cache"
	popd

	chmod 750 "$install_dir/live"
	chmod -R o-rwx "$install_dir/live"
	chown -R $app:www-data "$install_dir/live"

	mkdir -p "$install_dir/tmp/uploads"

	chmod 750 "$install_dir/tmp"
	chmod -R o-rwx "$install_dir/tmp"
	chown -R $app:www-data "$install_dir/tmp"
fi

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..."

# Create a dedicated systemd config
ynh_add_systemd_config --service="$app-chat" --template="overleaf-chat.service"
ynh_add_systemd_config --service="$app-clsi" --template="overleaf-clsi.service"
ynh_add_systemd_config --service="$app-contacts" --template="overleaf-contacts.service"
ynh_add_systemd_config --service="$app-docstore" --template="overleaf-docstore.service"
ynh_add_systemd_config --service="$app-document-updater" --template="overleaf-document-updater.service"
ynh_add_systemd_config --service="$app-filestore" --template="overleaf-filestore.service"
ynh_add_systemd_config --service="$app-notifications" --template="overleaf-notifications.service"
ynh_add_systemd_config --service="$app-real-time" --template="overleaf-real-time.service"
ynh_add_systemd_config --service="$app-spelling" --template="overleaf-spelling.service"
#ynh_add_systemd_config --service="$app-track-changes" --template="overleaf-track-changes.service"
ynh_add_systemd_config --service="$app-web" --template="overleaf-web.service"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..."

mkdir -p "/var/log/$app"
chown -R $app:$app "/var/log/$app"
# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

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

yunohost service add "$app-chat" --log="/var/log/$app/chat.log"
yunohost service add "$app-clsi" --log="/var/log/$app/clsi.log"
yunohost service add "$app-contacts" --log="/var/log/$app/contacts.log"
yunohost service add "$app-docstore" --log="/var/log/$app/docstore.log"
yunohost service add "$app-document-updater" --log="/var/log/$app/document-updater.log"
yunohost service add "$app-filestore" --log="/var/log/$app/filestore.log"
yunohost service add "$app-notifications" --log="/var/log/$app/notifications.log"
yunohost service add "$app-real-time" --log="/var/log/$app/real-time.log"
yunohost service add "$app-spelling" --log="/var/log/$app/spelling.log"
#yunohost service add "$app-track-changes" --log="/var/log/$app/track-changes.log"
yunohost service add "$app-web" --log="/var/log/$app/web.log"

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

ynh_systemd_action --service_name="$app-chat" --action="start" --log_path="/var/log/$app/chat.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-clsi" --action="start" --log_path="/var/log/$app/clsi.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-contacts" --action="start" --log_path="/var/log/$app/contacts.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-docstore" --action="start" --log_path="/var/log/$app/docstore.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-document-updater" --action="start" --log_path="/var/log/$app/document-updater.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-filestore" --action="start" --log_path="/var/log/$app/filestore.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-notifications" --action="start" --log_path="/var/log/$app/notifications.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-real-time" --action="start" --log_path="/var/log/$app/real-time.log" --line_match="Using settings from"
ynh_systemd_action --service_name="$app-spelling" --action="start" --log_path="/var/log/$app/spelling.log" --line_match="Using settings from"
#ynh_systemd_action --service_name="$app-track-changes" --action="start" --log_path="/var/log/$app/track-changes.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-web" --action="start" --log_path="/var/log/$app/web.log" --line_match="listening on" --line_match="Using settings from"

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

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