#!/bin/sh

###########################
### Test fetching email ###
###########################

set -e

POP3_SERVER=127.0.0.1
POP3_PORT=11110
USER=${USER:-user}
PASSWORD=ubuntu
WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM

LOG="${WORKDIR}/fetchmail.log"
MBOX="${WORKDIR}/test-mbox-$(date +%''s_%N)"
CONFIG="${WORKDIR}/fetchmailrc"

echo "Configuring a functional local mail system"

python3 "$(dirname ${0})/mock-pop3-server.py" &
SERVER_PID=$!
sleep 1

# Configure fetchmail
cat > "${CONFIG}" <<EOF
poll ${POP3_SERVER} port ${POP3_PORT} no uidl with protocol POP3:
  auth password
  user '${USER}' there with password '${PASSWORD}'
  is ${USER} here
  sslproto ''
  mda "/bin/sh -c 'cat > ${MBOX}'"
EOF
chmod 700 "${CONFIG}"
chown -R fetchmail "${WORKDIR}"

# Run fetchmail
echo "Checking fetchmail operates"
sudo -u fetchmail /usr/bin/fetchmail -d0 -vvv -f "${CONFIG}" "${POP3_SERVER}"

# TODO: Verify the test email was delivered to expected destination
echo "Checking test email was received"
grep "Received: from " "${MBOX}"

kill ${SERVER_PID}
echo "OK"