#!/bin/sh
#
# Plugin to monitor the average number of hours worked by Koumbit workers.
#
# Parameters:
# 	
# 	config
# 	autoconf
#
# Configuration variables
#
#	mysqlopts    - Options to pass to mysql which should include the
#  			username, password, host and timetracker database.
#
# Example of the entry in plugin-conf.d/munin-node
#	[timetracker*]
#	user root
#	env.mysqlopts --defaults-file=/etc/mysql/alternc.cnf
#	env.mysqldb time
#
#
#%# family=auto
#%# capabilities=autoconf

MYSQLOPTS="$mysqlopts"
MYSQLDB="$mysqldb"
MYSQL=${mysql:-mysql}

if [ "$1" = "autoconf" ]; then
        $MYSQL --version 2>/dev/null >/dev/null
        if [ $? -eq 0 ]
        then
                # Not doing "select * from user" since we want only active users.
		# Not shoing full names for a minimum of privacy
		$MYSQL $MYSQLOPTS -N -B -e "select CONCAT(user, '.label'), user from timeentry where start > (NOW() -  interval 30 day) AND start <= NOW()  group by user;" $MYSQLDB 2>/dev/null
                if [ $? -eq 0 ]
                then
                        echo yes
                        exit 0
                else
                        echo "no (could not connect to mysql)"
                fi
        else
                echo "no (mysql client not found)"
        fi
        exit 1
fi

if [ "$1" = "config" ]; then
	echo 'graph_title Timetracker - average hours worked per week'
	echo 'graph_vlabel hours'
	echo 'graph_category timetracker'
	echo 'graph_args --logarithmic'

	# Not doing "select * from user" since we want only active users.
	# Not shoing full names for a minimum of privacy
	$MYSQL $MYSQLOPTS -N -B -e "select CONCAT(user, '.label'), user from timeentry where start > (NOW() -  interval 30 day) AND start <= NOW()  group by user;" $MYSQLDB 2>/dev/null

	# echo 'allavg.label Average'
	echo 'all.label Total'

	exit 0
fi

# Show times for active users
$MYSQL $MYSQLOPTS -N -B -e "select CONCAT(user, '.value'), format(sum(delta) / 60 / 60 / 4, 2) as timeinmins from timeentry where start > (NOW() -  interval 28 day) AND start <= NOW()  group by user;" $MYSQLDB 2>/dev/null

# Show global average
# [ML] 2008-11-09 Not an interesting metric, since we have some people doing 10 hours per week, others do 35.
# $MYSQL $MYSQLOPTS -N -B -e "select 'allavg.value', format(sum(delta) / 60 / 60 / 4 / (select count(distinct user) from timeentry where start > (NOW() -  interval 28 day) AND start <= NOW()), 2)  as timeinmins from timeentry where start > (NOW() -  interval 28 day) AND start <= NOW();" $MYSQLDB 2>/dev/null

# Show total
$MYSQL $MYSQLOPTS -N -B -e "select 'all.value', format(sum(delta) / 60 / 60 / 4, 2)  as timeinmins from timeentry where start > (NOW() -  interval 28 day) AND start <= NOW();" $MYSQLDB 2>/dev/null