#!/usr/bin/bash -ue


# The script assumes that:
# - SMTP_PORT and SMTP_USER are environment variables to store the port and account to use on the SMTP server.
# - if authentication is to be used, credentials called smtppass and smtpuser is passed by sd.


status="${1}"
service_name="${2}"



## identification to use fot the mail server:
#    identifyme is set to 1 if authentication is possible, 0 otherwise

identifyme=1
smtp_pass=$(systemd-creds cat smtppass) || identifyme=0
smtp_user=$SMTP_USER
smtp_port=$SMTP_PORT

smtp_server="redisdead.crans.org"
smtp_rcpt="nounous@crans.org"
email="sdcron@crans.org"


## Write the email in a temporary file
tmp=$(mktemp /tmp/mail.XXXXX)

echo "From: sdcron <sdcron@crans.org>
To: nounous@crans.org
Subject: ${status} of the service ${service_name}.
Date: $(date -R)

Salut, tout est dans le sujet $\ddot\smile$!

--
Cordialement

sdcron

" | tee "$tmp"



## Send the email
case identifyme in
    0 ) 
        curl --ssl-reqd \
                --url "smtps://${smtp_server}:${smtp_port}" \
                --mail-from "${email}" \
                --mail-rcpt "${smtp_rcpt}" \
                --upload-file "$tmp"
        ;;
    1 )
        curl --ssl-reqd \
                --url "smtps://${smtp_server}:${smtp_port}" \
                --user "${smtp_user}:${smtp_pass}" \
                --mail-from "${email}" \
                --mail-rcpt "${smtp_rcpt}" \
                --upload-file "$tmp"
        ;;
esac

rm "$tmp"