// ----------------------------------------------------------------------
// Main.cpp
// ----------------------------------------------------------------------

#include <gtest/gtest.h>

#include <Fw/Buffer/Buffer.hpp>
#include <Fw/FilePacket/FilePacket.hpp>
#include <Fw/FilePacket/GTest/FilePackets.hpp>
#include <Fw/Types/Assert.hpp>

namespace Fw {

class FilePacketTester {
  public:
    // ----------------------------------------------------------------------
    // Construction and destruction
    // ----------------------------------------------------------------------
    FilePacketTester() {}

    ~FilePacketTester() {}

    // ----------------------------------------------------------------------
    // Tests
    // ----------------------------------------------------------------------
    void test_Header() {
        // const FilePacket::Header expected = {
        // FilePacket::T_DATA, // Packet type
        // 10 // Sequence number
        // };
        Fw::FilePacket::Header expected;
        expected.initialize(FilePacket::T_DATA, 10);
        const U32 size = expected.bufferSize();
        U8 bytes[size];
        SerialBuffer serialBuffer(bytes, size);
        {
            const SerializeStatus status = expected.toSerialBuffer(serialBuffer);
            FW_ASSERT(status == FW_SERIALIZE_OK);
        }
        FilePacket::Header actual;
        {
            const SerializeStatus status = actual.fromSerialBuffer(serialBuffer);
            FW_ASSERT(status == FW_SERIALIZE_OK);
        }
        GTest::FilePackets::Header::compare(expected, actual);
    }
};

// Serialize and deserialize a file packet header
TEST(FilePacket, Header) {
    FilePacketTester tester;
    tester.test_Header();
}

// Serialize and deserialize a start packet
TEST(FilePacket, StartPacket) {
    FilePacket::StartPacket expected;
    expected.initialize(10,        // File size
                        "source",  // Source path
                        "dest"     // Destination path
    );
    const U32 size = expected.bufferSize();
    U8 bytes[size];
    Buffer buffer(bytes, size);
    SerialBuffer serialBuffer(bytes, size);
    {
        const SerializeStatus status = expected.toBuffer(buffer);
        ASSERT_EQ(status, FW_SERIALIZE_OK);
    }
    FilePacket actual;
    {
        const SerializeStatus status = actual.fromBuffer(buffer);
        ASSERT_EQ(status, FW_SERIALIZE_OK);
    }
    const FilePacket::StartPacket& actualStartPacket = actual.asStartPacket();
    GTest::FilePackets::StartPacket::compare(expected, actualStartPacket);
}

// Serialize and deserialize a data packet
TEST(FilePacket, DataPacket) {
    FilePacket::DataPacket expected;
    const U32 dataSize = 10;
    U8 data[dataSize] = {};        // Initialize to appease valgrind
    expected.initialize(3,         // Sequence index
                        42,        // Byte offset
                        dataSize,  // Data size
                        data       // Data
    );
    const U32 size = expected.bufferSize();
    U8 bytes[size];
    Buffer buffer(bytes, size);
    SerialBuffer serialBuffer(bytes, size);
    {
        const SerializeStatus status = expected.toBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    FilePacket actual;
    {
        const SerializeStatus status = actual.fromBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    const FilePacket::DataPacket& actualDataPacket = actual.asDataPacket();
    GTest::FilePackets::DataPacket::compare(expected, actualDataPacket);
}

// Serialize and deserialize an end packet
TEST(FilePacket, EndPacket) {
    FilePacket::EndPacket expected;
    const CFDP::Checksum checksum(42);
    expected.initialize(15,       // Sequence index
                        checksum  // Checksum
    );
    const U32 size = expected.bufferSize();
    U8 bytes[size];
    Buffer buffer(bytes, size);
    SerialBuffer serialBuffer(bytes, size);
    {
        const SerializeStatus status = expected.toBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    FilePacket actual;
    {
        const SerializeStatus status = actual.fromBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    const FilePacket::EndPacket& actualEndPacket = actual.asEndPacket();
    GTest::FilePackets::EndPacket::compare(expected, actualEndPacket);
}

// Serialize and deserialize an end packet
TEST(FilePacket, CancelPacket) {
    FilePacket::CancelPacket expected;
    const CFDP::Checksum checksum(42);
    expected.initialize(10  // Sequence index
    );
    const U32 size = expected.bufferSize();
    U8 bytes[size];
    Buffer buffer(bytes, size);
    SerialBuffer serialBuffer(bytes, size);
    {
        const SerializeStatus status = expected.toBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    FilePacket actual;
    {
        const SerializeStatus status = actual.fromBuffer(buffer);
        FW_ASSERT(status == FW_SERIALIZE_OK);
    }
    const FilePacket::CancelPacket& actualCancelPacket = actual.asCancelPacket();
    GTest::FilePackets::CancelPacket::compare(expected, actualCancelPacket);
}

}  // namespace Fw

int main(int argc, char** argv) {
    ::testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}