#!/bin/bash

. lib/common

set -e

host=$(relation-get host)
port=$(relation-get port)
connection_security=$(relation-get connection-security)
auth_method=$(relation-get auth-method)




declare -A ENV

ENV[DRIVER]=smtp
ENV[HOST]="$host"
ENV[PORT]="$port"

case "$connection_security" in
    "none")
        ENV[ENCRYPTION]=null
        ;;
    "ssl/tls")
        ENV[ENCRYPTION]="tls"
        ;;
    "ssl")
        ENV[ENCRYPTION]="ssl"
        ;;
    *)
        error "Unsupported connection security: $connection_security"
        exit 1
        ;;
esac
case "$auth_method" in
    "none")
        ENV[USERNAME]=null
        ;;
    "password")
        login=$(relation-get login) || true
        ENV[USERNAME]="$login"

        password=$(relation-get password) || true
        ENV[PASSWORD]="$password"
        ;;
    *)
        error "Unsupported auth method: $auth_method"
        exit 1
        ;;
esac

mail_from=$(relation-get mail-from) || true
if [ -n "$mail_from" ]; then
    ENV[FROM_ADDRESS]="$mail_from"
fi

from_name=$(relation-get from-name) || true
if [ -n "$from_name" ]; then
   ENV[FROM_NAME]="$from_name"
fi

for key in "${!ENV[@]}"; do
    value=${ENV[$key]}
    opensem:config-set "MAIL_$key" "$value"
done