#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers
# Load common variables for all scripts.
source _variables

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Load settings"

app=$YNH_APP_INSTANCE_NAME

unattended_verbosity=$(ynh_app_setting_get $app unattended_verbosity)
overwrite_periodic=$(ynh_app_setting_get $app overwrite_periodic)

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensure downward compatibility"

# If overwrite_periodic doesn't exist, create it
if [ -z "$overwrite_periodic" ]; then
	overwrite_periodic=1
	ynh_app_setting_set $app overwrite_periodic $overwrite_periodic
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backup the app before upgrading" --weight=3

# 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
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrade dependencies" --weight=5

ynh_install_app_dependencies $app_depencencies

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADE APTICRON
#=================================================

# Nothing to do here...

#=================================================
# UPGRADE UNATTENDED-UPGRADES
#=================================================

# Nothing to do here...

#=================================================
# UPGRADE APT PERIODIC FOR UNATTENDED
#=================================================

# Overwrite 02periodic config file only if it's allowed
if [ $overwrite_periodic -eq 1 ]
then
	ynh_script_progression --message="Upgrade APT Periodic for Unattended" --weight=3
	ynh_backup_if_checksum_is_different "/etc/apt/apt.conf.d/02periodic"

	cp "../conf/02periodic" "/etc/apt/apt.conf.d/02periodic"
	ynh_replace_string "__VERBOSITY__" "$unattended_verbosity" "/etc/apt/apt.conf.d/02periodic"
	# This config file is used by /etc/cron.daily/apt

	ynh_store_file_checksum "/etc/apt/apt.conf.d/02periodic"
fi

#=================================================
# UPGRADE APTICRON CRON FILE
#=================================================

# Nothing to do here...

#=================================================
# GENERIC FINALISATION
#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

message="To modify any option of unattended-upgrades, please have a look to /etc/apt/apt.conf.d/50unattended-upgrades and 
/etc/apt/apt.conf.d/02periodic
Unattended-upgrades will be executed every day at midnight.

To modify the configuration of apticron, please have a look to /etc/apticron/apticron.conf.
Apticron will be executed, depending of the requested configuration at 8 p.m. and 2 a.m. If you want to change this schedule, please have a look to the cron file /etc/cron.d/apticron.

You can configure this app easily by using the experimental config-panel feature: $admin_panel/config-panel.
You can also find some specific actions for this app by using the experimental action feature: $admin_panel/actions.

If you're facing an issue or want to improve this app, please open a new issue in this project: https://github.com/YunoHost-Apps/unattended_upgrades_ynh"

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

ynh_send_readme_to_admin --app_message="$message" --recipients="root" --type="upgrade"
ynh_script_progression --message="Upgrade completed" --last