/*
  test_rdm.cpp

  Copyright (c) 2023 Kevin Matz (kevin.matz@gmail.com)

  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.
*/

#include <gtest/gtest.h>
#include <responder.h>

TEST(RDM, device_info)
{
    RDM::Responder responder(RDM::UID(0x12345678, 0x1234));
    std::vector<uint8_t> rdm_data;

    responder.deviceModelID = 0x4242;
    responder.deviceProductCategory = RDM::PRODUCT_CATEGORY_TEST;
    auto token = responder.setSender([&rdm_data](const std::vector<uint8_t> &r){rdm_data = r;});

    rdm_data.push_back(RDM::SC_RDM);          // START code
    rdm_data.push_back(RDM::SC_SUB_MESSAGE);  // sub-START code
    rdm_data.push_back(24);                   // message length
    RDM::Message::writeType<uint16_t>(rdm_data, responder.uid.manufacturer); // dest manufacturer
    RDM::Message::writeType<uint32_t>(rdm_data, responder.uid.device); // dest device
    RDM::Message::writeType<uint16_t>(rdm_data, 0x5678);     // source manufacturer
    RDM::Message::writeType<uint32_t>(rdm_data, 0x87654321); // source device
    rdm_data.push_back(42);                  // transaction number
    rdm_data.push_back(1);                   // port ID
    rdm_data.push_back(0);                   // message count
    RDM::Message::writeType<uint16_t>(rdm_data, 0);         // sub device
    rdm_data.push_back(RDM::GET_COMMAND); // command class
    RDM::Message::writeType<uint16_t>(rdm_data, RDM::DEVICE_INFO.pid); // parameter ID
    rdm_data.push_back(0);                   // Parameter Data Length
    uint16_t csum = 0;
    for (const auto byte : rdm_data)
        csum += byte;
    RDM::Message::writeType<uint16_t>(rdm_data, csum);

    EXPECT_EQ(rdm_data.size(), 26) << "mallformed DEVICE_INFO GET_COMMAND";
    responder.receive(rdm_data);
    EXPECT_EQ(rdm_data.size(), 26+0x13) << "mallformed DEVICE_INFO GET_RESPONSE";

    RDM::Message reply;
    reply.read(rdm_data);
    EXPECT_EQ(reply.failure_mode, 0) << "Reply Message failed";
    EXPECT_EQ(reply.source.manufacturer, responder.uid.manufacturer) << "Responder manufacturer mismatch";
    EXPECT_EQ(reply.source.device, responder.uid.device) << "Responder device mismatch";
    EXPECT_EQ(reply.tn, 42) << "Failed to track command conversation";
    EXPECT_EQ(reply.responseType, RDM::RESPONSE_TYPE_ACK) << "Command not acknowledged.";
    EXPECT_EQ(reply.messageCount, 0) << "Unexpected queued messages";
    EXPECT_EQ(reply.mdb.cc, RDM::GET_COMMAND_RESPONSE) << "Unexpected command class";
    EXPECT_EQ(reply.mdb.pid, RDM::DEVICE_INFO.pid) << "Unexpected PID";
    EXPECT_EQ(reply.mdb.pdl(), 0x13) << "PDL length mismatch";

    auto proto_version = RDM::Message::readType<uint16_t>(reply.mdb.pd, 0);
    EXPECT_EQ(proto_version, RDM::RDM_PROTOCOL_VERSION) << "Unknown RDM version.";

    auto device_model = RDM::Message::readType<uint16_t>(reply.mdb.pd, 2);
    EXPECT_EQ(device_model, 0x4242) << "Unexpected Device Model";

    auto product_category = RDM::Message::readType<uint16_t>(reply.mdb.pd, 4);
    EXPECT_EQ(product_category, RDM::PRODUCT_CATEGORY_TEST) << "Unexpected Product Category";
}