#!/bin/sh

#when connecting to AWSIOT , a cert , privatekey and certificate authority file is required .
#after downloading the cert files when creating a thing , it is possible rename the files so that it is easier to
#call the file when writing the script and cli
#also note that aws things shadow update requires message to be in json to update
#to catch messages sent to things but are rejected due to improper json format ,  subscribe to things shadow update through mqtt.
# do remember to check the activity page for the AWsiot " thing" u have created to see whether the message is accepted or rejected

HOST="a1k3lzqvylq236.iot.ap-southeast-1.amazonaws.com"

CERT="/root/81.pem.crt"

KEY="/root/81.pem.key"

CA="/root/CA.pem"

MSG="temp=$1"

MGS2="temp=$1,hum=$2"

#the $1 refers to the additional data sent from arduino code ( the add parameter command )
data1=$1
#rssi=$2

#mosquitto_pub --cert $CERT --key $KEY --cafile $CA -h $HOST -p 8883 -d -q 0 -t yhtest -m "temp=$1"


mosquitto_pub --cert $CERT --key $KEY --cafile $CA -h $HOST -p 8883 -d -q 0 -t yhtest -m "MSG"




# type in linux shell with mosquitto cli installed
# -h is the url of the broker , -t is the topic
# -d enable debug messages to show what is going on in mosquitto cli
# for both -h and -t of sub client it is possible to set it as a variable in the script and call the variable instead of typing everything on a single line