/*
 * AWS IoT Device Embedded C SDK for ZephyrRTOS
 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef DEMO_CONFIG_H_
#define DEMO_CONFIG_H_

#define MINIMAL_STACK_SIZE                    ( 1024 )

/* Constants that select which demos to build into the project:
 * Set the following to 1 to include the demo in the build, or 0 to exclude the
 * demo. */
#define NUM_SIMPLE_SUB_PUB_TASKS_TO_CREATE    1
#define SIMPLE_SUB_PUB_TASK_STACK_SIZE        ( MINIMAL_STACK_SIZE )

/**
 * @brief The MQTT client identifier used in this example.  Each client identifier
 * must be unique so edit as required to ensure no two clients connecting to the
 * same broker use the same client identifier.
 *
 *!!! Please note a #defined constant is used for convenience of demonstration
 *!!! only.  Production devices can use something unique to the device that can
 *!!! be read by software, such as a production serial number, instead of a
 *!!! hard coded constant.
 *
 */
#define CLIENT_IDENTIFIER                     "testclient"

/**
 * @brief Endpoint of the MQTT broker to connect to.
 *
 * This demo application can be run with any MQTT broker, although it is
 * recommended to use one that supports mutual authentication.
 *
 * For AWS IoT MQTT broker, this is the Thing's REST API Endpoint.
 *
 * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
 * Settings/Custom Endpoint, or using the describe-endpoint REST API (with
 * AWS CLI command line tool).
 *
 * #define MQTT_BROKER_ENDPOINT    "...insert here..."
 */

/**
 * @brief The port to use for the demo.
 *
 * In general, port 8883 is for secured MQTT connections, and port 1883 if not
 * using TLS.
 *
 * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
 * name. Using ALPN with this demo would require additional changes, including
 * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
 * forming the TLS connection. When using port 8883, ALPN is not required.
 *
 * #define MQTT_BROKER_PORT    ( insert here. )
 */
#define MQTT_BROKER_PORT    ( 8883 )

/**
 * @brief Server's root CA certificate.
 *
 * For AWS IoT MQTT broker, this certificate is used to identify the AWS IoT
 * server and is publicly available. Refer to the AWS documentation available
 * in the link below.
 * https://docs.aws.amazon.com/iot/latest/developerguide/server-authentication.html#server-authentication-certs
 *
 * The preset default value is of AmazonRootCA1.pem, which can be found in the link below.
 * https://www.amazontrust.com/repository/AmazonRootCA1.pem
 *
 * @note This certificate should be PEM-encoded.
 *
 * Must include the PEM header and footer:
 * "-----BEGIN CERTIFICATE-----\n"\
 * "...base64 data...\n"\
 * "-----END CERTIFICATE-----"
 *
 * #define ROOT_CA_PEM    "...insert here..."
 */
#define ROOT_CA_PEM                                                      \
    "-----BEGIN CERTIFICATE-----\n"                                      \
    "MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF\n" \
    "ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6\n" \
    "b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL\n" \
    "MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv\n" \
    "b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj\n" \
    "ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM\n" \
    "9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw\n" \
    "IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6\n" \
    "VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L\n" \
    "93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm\n" \
    "jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC\n" \
    "AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA\n" \
    "A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI\n" \
    "U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs\n" \
    "N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv\n" \
    "o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU\n" \
    "5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy\n" \
    "rqXRfboQnoZsG4q5WTP468SQvvG5\n"                                     \
    "-----END CERTIFICATE-----"

/**
 * @brief An option to disable Server Name Indication.
 *
 * @note When using a local Mosquitto server setup, SNI needs to be disabled
 * for an MQTT broker that only has an IP address but no hostname. However,
 * SNI should be enabled whenever possible.
 */
#define DISABLE_SNI                ( 0 )

/**
 * @brief Configuration that indicates if the demo connection is made to the AWS IoT Core MQTT broker.
 *
 * If username/password based authentication is used, the demo will use appropriate TLS ALPN and
 * SNI configurations as required for the Custom Authentication feature of AWS IoT.
 * For more information, refer to the following documentation:
 * https://docs.aws.amazon.com/iot/latest/developerguide/custom-auth.html#custom-auth-mqtt
 *
 * #define USE_AWS_IOT_CORE_BROKER    ( 1 )
 */
#define USE_AWS_IOT_CORE_BROKER    ( 1 )

/**
 * @brief The username value for authenticating client to the MQTT broker when
 * username/password based client authentication is used.
 *
 * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
 * details regarding client authentication with a username and password.
 * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
 * An authorizer setup needs to be done, as mentioned in the above link, to use
 * username/password based client authentication.
 *
 * #define CLIENT_USERNAME    "...insert here..."
 */

/**
 * @brief The password value for authenticating client to the MQTT broker when
 * username/password based client authentication is used.
 *
 * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
 * details regarding client authentication with a username and password.
 * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
 * An authorizer setup needs to be done, as mentioned in the above link, to use
 * username/password based client authentication.
 *
 * #define CLIENT_PASSWORD    "...insert here..."
 */

/**
 * @brief The name of the operating system that the application is running on.
 * The current value is given as an example. Please update for your specific
 * operating system.
 */
#define OS_NAME                     "Zephyr"

/**
 * @brief The version of the operating system that the application is running
 * on. The current value is given as an example. Please update for your specific
 * operating system version.
 */
#define OS_VERSION                  "2.6.0"

/**
 * @brief The name of the hardware platform the application is running on. The
 * current value is given as an example. Please update for your specific
 * hardware platform.
 */
#define HARDWARE_PLATFORM_NAME      "ESP32"

/**
 * @brief The name of the MQTT library used and its version, following an "@"
 * symbol.
 */
#define MQTT_LIB                    "core-mqtt@" MQTT_LIBRARY_VERSION

/**
 * @brief Set the stack size of the main demo task.
 *
 */
#define DEMO_STACKSIZE              MINIMAL_STACK_SIZE

/**
 * @brief ALPN (Application-Layer Protocol Negotiation) protocol name for AWS IoT MQTT.
 *
 * This will be used if MQTT_BROKER_PORT is configured as 443 for the AWS IoT MQTT broker.
 * Please see more details about the ALPN protocol for AWS IoT MQTT endpoint
 * in the link below.
 * https://aws.amazon.com/blogs/iot/mqtt-with-tls-client-authentication-on-port-443-why-it-is-useful-and-how-it-works/
 */
#define AWS_IOT_MQTT_ALPN           "x-amzn-mqtt-ca"

/**
 * @brief This is the ALPN (Application-Layer Protocol Negotiation) string
 * required by AWS IoT for password-based authentication using TCP port 443.
 */
#define AWS_IOT_CUSTOM_AUTH_ALPN    "mqtt"

/**
 * Provide default values for undefined configuration settings.
 */
#ifndef OS_NAME
    #define OS_NAME    "Zephyr"
#endif

#ifndef OS_VERSION
    #define OS_VERSION    tskKERNEL_VERSION_NUMBER
#endif

#ifndef HARDWARE_PLATFORM_NAME
    #define HARDWARE_PLATFORM_NAME    "ESP32"
#endif

#ifndef MQTT_LIB
    #define MQTT_LIB    "core-mqtt@1.0.0"
#endif

/**
 * @brief The MQTT metrics string expected by AWS IoT.
 */
#define AWS_IOT_METRICS_STRING             \
    "?SDK=" OS_NAME "&Version=" OS_VERSION \
    "&Platform=" HARDWARE_PLATFORM_NAME "&MQTTLib=" MQTT_LIB

/**
 * @brief The length of the MQTT metrics string expected by AWS IoT.
 */
#define AWS_IOT_METRICS_STRING_LENGTH    ( ( uint16_t ) ( sizeof( AWS_IOT_METRICS_STRING ) - 1 ) )

#ifdef CLIENT_USERNAME

/**
 * @brief Append the username with the metrics string if #CLIENT_USERNAME is defined.
 *
 * This is to support both metrics reporting and username/password based client
 * authentication by AWS IoT.
 */
    #define CLIENT_USERNAME_WITH_METRICS    CLIENT_USERNAME AWS_IOT_METRICS_STRING
#endif

/**
 * @brief Length of client identifier.
 */
#define CLIENT_IDENTIFIER_LENGTH    ( ( uint16_t ) ( sizeof( CLIENT_IDENTIFIER ) - 1 ) )

/**
 * @brief Length of MQTT server host name.
 */
#define BROKER_ENDPOINT_LENGTH      ( ( uint16_t ) ( sizeof( MQTT_BROKER_ENDPOINT ) - 1 ) )

#define MQTT_MAX_DEMO_COUNT         ( 1 )

/**
 * @brief The name of the Wi-Fi network to join.
 *
 * #define WIFI_NETWORK_SSID        "...insert here..."
 */

/**
 * @brief Password needed to join Wi-Fi network. If you are using WPA, set this
 * to your network password. If there is no password, use the empty string "".
 *
 * #define WIFI_NETWORK_PASSWORD    "...insert here...."
 */

#endif /* DEMO_CONFIG_H_ */