#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# WATCHDOG DEVICE CHECK
#=================================================

ynh_script_progression --message="Checking the hardware watchdog device presence..."

if [ ! -f /dev/watchdog ]; then
    ynh_die --message="Your server doesn't seem to have a '/dev/watchdog' device, this certainly means that it has no hardware watchdog device. However, this package is only relevant if such a device exists, we're sorry."
fi

#=================================================
# INSTALL DEPENDENCIES
#=================================================

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding system configurations related to $app..."

if [[ $(grep -ic "Raspberry Pi" /proc/cpuinfo) -ge 1 && $(grep -ic "dtparam=watchdog=on" /boot/config.txt) -eq 0 ]]; then
    cp /boot/config.txt "/boot/config.bak$(date '+%y%m%dT%H%M%S')"
    echo "dtparam=watchdog=on" >> /boot/config.txt
fi

yunohost service add $app

#=================================================
# APP INITIAL CONFIGURATION
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding app's configuration file..."

ynh_add_config --template="watchdog.conf" --destination="/etc/watchdog.conf"

chmod 400 "/etc/watchdog.conf"
chown root: "/etc/watchdog.conf"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting app's systemd service..."

# Enable and start a systemd service
systemctl enable $app.service --quiet
ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"

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

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