#!/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? domain=$(ynh_app_setting_get --app=$app --key=domain)
#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
#REMOVEME? phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#REMOVEME? fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
#REMOVEME? fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)

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

# 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

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

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

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

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

# Cleaning legacy permissions
#REMOVEME? if ynh_legacy_permissions_exists; then
#REMOVEME? 	ynh_legacy_permissions_delete_all

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

#=================================================
# 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=4

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir" --keep="opensearch.xml config.php"
fi

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

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Upgrading dependencies..." --weight=8

#REMOVEME? ynh_install_app_dependencies $pkg_dependencies

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=2

# 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

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

yunohost service add $app --description="A privacy meta search engine" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=3

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