#!/usr/bin/env bash
# ------------------------------------------------------------
# Copyright 2021 The Dapr Authors
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#     http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ------------------------------------------------------------

set -e

if [[ -z "${IOT_HUB_NAME}" ]]; then
    echo "ERROR: IOT_HUB_NAME environment variable not defined."
    exit 1
fi
if [[ -z "${AZURE_CREDENTIALS}" ]]; then
    echo "ERROR: AZURE_CREDENTIALS environment variable not defined."
    exit 1
fi

# Log in to Azure using provided Service Principal (SP) credentials
# The provided SP must have Contributor role access to the IoT Hub specified by IOT_HUB_NAME
SDK_AUTH_SP_APPID="$(echo "${AZURE_CREDENTIALS}" | grep 'clientId' | sed -E 's/(.*clientId\"\: \")|\",//g')"
SDK_AUTH_SP_CLIENT_SECRET="$(echo "${AZURE_CREDENTIALS}" | grep 'clientSecret' | sed -E 's/(.*clientSecret\"\: \")|\",//g')"
SDK_AUTH_SP_TENANT="$(echo "${AZURE_CREDENTIALS}" | grep 'tenantId' | sed -E 's/(.*tenantId\"\: \")|\",//g')"
az login --service-principal -u ${SDK_AUTH_SP_APPID} -p ${SDK_AUTH_SP_CLIENT_SECRET} --tenant ${SDK_AUTH_SP_TENANT}

# Create test device ID if not already present
IOT_HUB_TEST_DEVICE_NAME="test-device"
if [[ -z "$(az iot hub device-identity show -n ${IOT_HUB_NAME} -d ${IOT_HUB_TEST_DEVICE_NAME})" ]]; then
    az iot hub device-identity create -n ${IOT_HUB_NAME} -d ${IOT_HUB_TEST_DEVICE_NAME}
    sleep 5
fi

# Send the test IoT device messages to the IoT Hub
az iot device simulate -n ${IOT_HUB_NAME} -d ${IOT_HUB_TEST_DEVICE_NAME} --data '{ "data": "Integration test message" }' --msg-count 2 --msg-interval 1 --protocol http --properties "iothub-userid=dapr-user-id;iothub-messageid=dapr-message-id;applicationProperty=custom-value"