#!/bin/bash
# LinuxGSM info_stats.sh module
# Author: Daniel Gibbs
# Contributors: http://linuxgsm.com/contrib
# Website: https://linuxgsm.com
# Description: Collect optional Stats sent to LinuxGSM project.
# Uses Google analytics.

moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"

info_distro.sh

# remove uuid that was used in v20.2.0 and below
if [ -f "${datadir}/uuid.txt" ]; then
	rm -f "${datadir:?}/uuid.txt"
fi

# generate uuid's
# this consists of a standard uuid and a docker style name
# to allow human readable uuid's.
# e.g angry_proskuriakova_38a9ef76-4ae3-46a6-a895-7af474831eba

if [ ! -f "${datadir}/uuid-${selfname}.txt" ] || [ ! -f "${datadir}/uuid-install.txt" ]; then
	# download dictionary words
	if [ ! -f "${datadir}/name-left.csv" ]; then
		fn_fetch_file_github "lgsm/data" "name-left.csv" "${datadir}" "nochmodx" "norun" "forcedl" "nohash"
	fi
	if [ ! -f "${datadir}/name-right.csv" ]; then
		fn_fetch_file_github "lgsm/data" "name-right.csv" "${datadir}" "nochmodx" "norun" "forcedl" "nohash"
	fi

	# generate instance uuid
	if [ -n "$(command -v uuidgen 2> /dev/null)" ]; then
		uuid="$(uuidgen)"
	else
		uuid="$(cat /proc/sys/kernel/random/uuid)"
	fi

	nameleft="$(shuf -n 1 "${datadir}/name-left.csv")"
	nameright="$(shuf -n 1 "${datadir}/name-right.csv")"
	echo "instance_${nameleft}_${nameright}_${uuid}" > "${datadir}/uuid-${selfname}.txt"
	# generate install uuid if missing
	if [ ! -f "${datadir}/uuid-install.txt" ]; then
		echo "${nameleft}_${nameright}_${uuid}" > "${datadir}/uuid-install.txt"
	fi
fi

uuidinstance=$(cat "${datadir}/uuid-${selfname}.txt")
uuidinstall=$(cat "${datadir}/uuid-install.txt")
# machine-id is a unique id set on OS install
uuidhardware=$(cat "/etc/machine-id")

# results are rounded up to reduce number of different results in analytics.
# nearest 100Mhz.
cpuusedmhzroundup="$(((cpuusedmhz + 99) / 100 * 100))"
# nearest 100MB
memusedroundup="$(((memused + 99) / 100 * 100))"

# Spliting the metrics in to 3 propertys allows more accurate metrics on numbers of invidual instances, installs and hardware.
# Instance Property - UA-165287622-1
# Install Property - UA-165287622-2
# Hardware Property - UA-165287622-3

curl -X POST "https://www.google-analytics.com/mp/collect?api_secret=A-OzP02TSMWt4_vHi6ZpUw&measurement_id=G-0CR8V7EMT5" -H "Content-Type: application/json" -d "
{
	\"client_id\": \"${uuidinstance}\",
	\"events\": [
		{
		\"name\": \"LinuxGSM\",
		\"params\": {
			\"cpuusedmhzroundup\": \"${cpuusedmhzroundup}MHz\",
			\"diskused\": \"${serverfilesdu}\",
			\"distro\": \"${distroname}\",
			\"game\": \"${gamename}\",
			\"memusedroundup\": \"${memusedroundup}MB\",
			\"ramused\": \"${memusedroundup}MB\",
			\"servercpu\": \"${cpumodel} ${cpucores} cores\",
			\"servercpufreq\": \"${cpufreqency} x${cpucores}\",
			\"serverdisk\": \"${totalspace}\",
			\"serverfilesdu\": \"${serverfilesdu}\",
			\"serverram\": \"${physmemtotal}\",
			\"uuidhardware\": \"${uuidhardware}\",
			\"uuidinstall\": \"${uuidinstall}\",
			\"uuidinstance\": \"${uuidinstance}\",
			\"version\": \"${version}\",
			\"virtualenvironment\": \"${virtualenvironment}\"
			}
		}
	]
}"

curl -X POST https://stats.linuxgsm.com/api/event \
	-H 'User-Agent: curl' \
	-H 'Content-Type: application/json' \
	--data "{\"name\":\"pageview\",
				\"url\":\"https://stats.linuxgsm.com\",
				\"domain\":\"stats.linuxgsm.com\",
				\"cpuusedmhzroundup\": \"${cpuusedmhzroundup}MHz\",
				\"memusedroundup\": \"${memusedroundup}MB\",
				\"serverfilesdu\": \"${serverfilesdu}\",
				\"uuidhardware\": \"${uuidhardware}\",
				\"uuidinstall\": \"${uuidinstall}\",
				\"uuidinstance\": \"${uuidinstance}\",
				\"diskused\": \"${serverfilesdu}\",
				\"distro\": \"${distroname}\",
				\"game\": \"${gamename}\",
				\"ramused\": \"${memusedroundup}MB\",
				\"servercpu\": \"${cpumodel} ${cpucores} cores\",
				\"servercpufreq\": \"${cpufreqency} x${cpucores}\",
				\"serverdisk\": \"${totalspace}\",
				\"serverram\": \"${physmemtotal}\",
				\"version\": \"${version}\",
				\"virtualenvironment\": \"${virtualenvironment}\",
				\"discordalert\": \"${discordalert}\",
				\"emailalert\": \"${emailalert}\",
				\"gotifyalert\": \"${gotifyalert}\",
				\"iftttalert\": \"${iftttalert}\",
				\"mailgunalert\": \"${mailgunalert}\",
				\"pushbulletalert\": \"${pushbulletalert}\",
				\"pushoveralert\": \"${pushoveralert}\",
				\"rocketchatalert\": \"${rocketchatalert}\",
				\"slackalert\": \"${slackalert}\",
				\"telegramalert\": \"${telegramalert}\"
			}"

fn_script_log_info "Send LinuxGSM stats"
fn_script_log_info "* uuid-${selfname}: ${uuidinstance}"
fn_script_log_info "* uuid-install: ${uuidinstall}"
fn_script_log_info "* uuid-hardware: ${uuidhardware}"
fn_script_log_info "* Game Name: ${gamename}"
fn_script_log_info "* Distro Name: ${distroname}"
fn_script_log_info "* Game Server CPU Used: ${cpuusedmhzroundup}MHz"
fn_script_log_info "* Game Server RAM Used: ${memusedroundup}MB"
fn_script_log_info "* Game Server Disk Used: ${serverfilesdu}"
fn_script_log_info "* Server CPU Model: ${cpumodel}"
fn_script_log_info "* Server CPU Frequency: ${cpufreqency}"
fn_script_log_info "* Server RAM: ${physmemtotal}"
fn_script_log_info "* Server Disk: ${totalspace}"
fn_script_log_info "* Virtual Environment: ${virtualenvironment}"
fn_script_log_info "* LinuxGSM Version: ${version}"
fn_script_log_info "* Enabled Alerts"