#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1

#REMOVEME? app=$YNH_APP_INSTANCE_NAME

#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
#REMOVEME? db_name=$(ynh_app_setting_get --app=$app --key=db_name)
#REMOVEME? language_key=$(ynh_app_setting_get --app=$app --key=language_key)
#REMOVEME? secret_key=$(ynh_app_setting_get --app=$app --key=secret_key)
#REMOVEME? utils_secret=$(ynh_app_setting_get --app=$app --key=utils_secret)
#REMOVEME? dex_app=$(ynh_app_setting_get --app=$app --key=dex_app)
#REMOVEME? dex_domain=$(ynh_app_setting_get --app=$app --key=dex_domain)
#REMOVEME? dex_path=$(ynh_app_setting_get --app=$app --key=dex_path)
#REMOVEME? oidc_secret=$(ynh_app_setting_get --app=$app --key=oidc_secret)
#REMOVEME? oidc_name=$(ynh_app_setting_get --app=$app --key=oidc_name)
#REMOVEME? oidc_callback=$(ynh_app_setting_get --app=$app --key=oidc_callback)
#REMOVEME? dex_auth_uri=$(ynh_app_setting_get --app=$app --key=dex_auth_uri)
#REMOVEME? dex_token_uri=$(ynh_app_setting_get --app=$app --key=dex_token_uri)
#REMOVEME? dex_user_uri=$(ynh_app_setting_get --app=$app --key=dex_user_uri)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
#REMOVEME? ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

# Ugly fix for an early mistake - to be removed with next upgrade
#REMOVEME? ynh_secure_remove --file="$install_dir/outlinestorage"

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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

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

# Create a dedicated user (if not existing)
#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then	
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
#REMOVEME? 	ynh_secure_remove --file="$install_dir"
	ynh_setup_source --dest_dir="$install_dir"
fi

ynh_script_progression --message="Done" --weight=1

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

#=======================================================
# MIGRATE MINIO BUCKET IF UPGRADING FROM AN OLD VERSION
#=======================================================

ynh_script_progression --message="Checking if a migration is needed"
if ynh_compare_current_package_version --comparison le --version 0.69.2.2~ynh1
then
	ynh_script_progression --message="Migrating MinIO data to local directory"
	
#REMOVEME? 	minio_domain=$(ynh_app_setting_get --app=$app --key=minio_domain)
#REMOVEME? 	minio_admin=$(ynh_app_setting_get --app=$app --key=minio_admin)
#REMOVEME? 	minio_password=$(ynh_app_setting_get --app=$app --key=minio_password)
#REMOVEME? 	mc_path=$(ynh_app_setting_get --app=$app --key=mc_path)

	mkdir -p "/var/lib/$app/data"
	chown -R minio:www-data "/var/lib/$app"
	ynh_exec_warn_less sudo -u minio $mc_path/mc mirror --preserve "minio/outlinestorage" "/var/lib/$app/data"

	chown -R $app:www-data "/var/lib/$app"
	ynh_script_progression --message="Data migration finished"
	ynh_script_progression --message="Data bucket was kept for safety, just in case !"
	ynh_script_progression --message="Don't forget to remove MinIO app if you don't use it !"
else
	ynh_script_progression --message="No migration to be done"
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Upgrading dependencies..." --weight=1

#REMOVEME? ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

# Install Nodejs
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$NODEJS_VERSION 2>&1

# Install Yarn
#REMOVEME? ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg" 2>&1

#=================================================
# UPGRADE YARN DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Building Yarn dependencies... This can be very long, be patient !" --weight=10

pushd "$install_dir"
	ynh_use_nodejs
#REMOVEME? 	ynh_script_progression --message="Fetching Yarn production dependencies... This can be very long, be patient !" --weight=18
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --frozen-lockfile --network-timeout 1000000000 2>&1
	ynh_script_progression --message="Building... This can be very long, be patient !" --weight=18
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH NODE_OPTIONS="--max-old-space-size=3900" yarn build 2>&1
	ynh_script_progression --message="Cleaning cache... " --weight=3
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean 2>&1
popd

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=1

ynh_add_config --template="../conf/.env" --destination="$install_dir/.env"

chmod 400 "$install_dir/.env"
chown $app:$app "$install_dir/.env"

#=================================================
# RUN DB MIGRATION
#=================================================
ynh_script_progression --message="Running DB initial migration..."

pushd "$install_dir"
	ynh_use_nodejs
	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn db:migrate
popd

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# UPDATE THE CRON JOB
#=================================================

cron_path="/etc/cron.d/$app"
ynh_add_config --template="../conf/outline.cron" --destination="$cron_path"
chown root: "$cron_path"
chmod 644 "$cron_path"

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Outline server" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# RELOAD NGINX
#=================================================
#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1

#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload

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

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