#!/bin/bash

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

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

upgrade_type=$(ynh_check_app_version_changed)

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

if ! [ -f $install_dir/conf/ignore_alert.csv ]; then
    echo "method level server message target" > $install_dir/conf/ignore_alert.csv
fi

#=================================================
# 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
	ynh_setup_source --dest_dir="$install_dir"
fi

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"
chmod u+x "$install_dir/yunomonitor.py"
chmod u+w "$install_dir/conf"
chmod u+w "$install_dir/well-known"

#=================================================
# BUILD YUNOMONITOR
#=================================================
ynh_script_progression --message="Building Yunomonitor..."

pushd "$install_dir"
	python3 -m pip install pycryptodome
popd

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
ynh_backup_if_checksum_is_different --file="$install_dir/conf/$app.yml"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$install_dir/conf/$app.yml"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

_yunomonitor_add_nginx_config

ynh_add_systemd_config

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

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

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

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