#!/bin/bash

# Check zabbix dir

ZBXDIR="/etc/zabbix"

if [[ -d "$ZBXDIR" ]]
then
    echo "Directory $ZBXDIR exist. Continue..."
else
    echo "Directory $ZBXDIR does not exist! Please install zabbix (agent) first! Exiting."
    exit 25
fi

# Creating dirs

mkdir /etc/zabbix/scripts
mkdir /etc/zabbix/scripts/asterisk

# Install scripts

echo "1 - SIP only scripts"
echo "2 - SIP peers and pjsip trunks"

read -r -p "Please choose agent scripts type [default: 1]:" response

if [ -z "$response" ]; then
    response="1"
fi

    case "$response" in
        "1")
            echo "Installing siponly agent scripts"
            cp -r ./siponly/* /etc/zabbix/scripts/asterisk/
            ;;

        "2")
            echo "Installing sip peers and pjsip trunks agent script"
            /usr/sbin/fwconsole stop
            cp -r ./sip-peers_pjsip-trunks/* /etc/zabbix/scripts/asterisk
            ;;

         *)
            echo "Incorrect input. Aborted."
            exit 25
            ;;
    esac

chown -R zabbix:zabbix /etc/zabbix/scripts/asterisk
chmod +x /etc/zabbix/scripts/asterisk/*

# Check agentd dir

if [[ -d "/etc/zabbix/zabbix_agentd.conf.d" ]]
then
    AGTD="zabbix_agentd.conf.d"
else
    AGTD="/zabbix_agentd.d"
fi


# add items conf

touch /etc/zabbix/$AGTD/asterisk.conf


echo "UserParameter=asterisk.trunk,/etc/zabbix/scripts/asterisk/trunk.sh" >> /etc/zabbix/$AGTD/asterisk.conf
echo "UserParameter=asterisk.aster,/etc/zabbix/scripts/asterisk/aster.sh" >> /etc/zabbix/$AGTD/asterisk.conf
echo "UserParameter=asterisk.peers,/etc/zabbix/scripts/asterisk/peers.sh" >> /etc/zabbix/$AGTD/asterisk.conf

chown -R zabbix:zabbix /etc/zabbix/$AGTD/asterisk.conf

# Add sudo nopasswd for zabbix

echo "#zabbix-agent" >> /etc/sudoers
echo "zabbix ALL= NOPASSWD: /bin/grep, /bin/cut, /usr/sbin/asterisk" >> /etc/sudoers

# Restarting zabbix agent

echo "Restarting zabbix agent..."
systemctl restart zabbix-agent
systemctl enable zabbix-agent

echo "Install completed!"