//MIT License
//
//Copyright (c) 2017 Mindaugas Vinkelis
//
//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 <gmock/gmock.h>
#include "serialization_test_utils.h"
#include <bitsery/details/serialization_common.h>
#include <bitsery/traits/array.h>

using testing::Eq;
using testing::ContainerEq;
using bitsery::EndiannessType;

template <typename BufType>
class DataWriting:public testing::Test {
public:
    using TWriter = bitsery::AdapterWriter<bitsery::OutputBufferAdapter<BufType>, bitsery::DefaultConfig>;
    using TBuffer = BufType;
};

using NonFixedContainer = std::vector<uint8_t>;
using FixedContainer = std::array<uint8_t, 100>;

using ContainerTypes = ::testing::Types<FixedContainer,NonFixedContainer>;

TYPED_TEST_CASE(DataWriting, ContainerTypes);

static constexpr size_t DATA_SIZE = 14u;

template <typename BW>
void writeData(BW& bw) {
    uint16_t tmp1{45}, tmp2{6543}, tmp3{46533};
    uint32_t tmp4{8979445}, tmp5{7987564};
    bw.template writeBytes<2>(tmp1);
    bw.template writeBytes<2>(tmp2);
    bw.template writeBytes<2>(tmp3);
    bw.template writeBytes<4>(tmp4);
    bw.template writeBytes<4>(tmp5);
}

TYPED_TEST(DataWriting, GetWrittenBytesCountReturnsActualBytesWritten) {
    using TWriter = typename TestFixture::TWriter;
    using TBuffer = typename TestFixture::TBuffer;
    TBuffer buf{};
    TWriter bw{buf};
    writeData(bw);
    bw.flush();
    auto writtenSize = bw.writtenBytesCount();
    EXPECT_THAT(writtenSize, DATA_SIZE);
    EXPECT_THAT(buf.size(), ::testing::Ge(DATA_SIZE));
}

TYPED_TEST(DataWriting, WhenWritingBitsThenMustFlushWriter) {
    using TWriter = typename TestFixture::TWriter;
    using TBuffer = typename TestFixture::TBuffer;
    TBuffer buf{};
    TWriter bw{buf};
    bitsery::AdapterWriterBitPackingWrapper<TWriter> bpw{bw};
    bpw.writeBits(3u, 2);
    auto writtenSize1 = bpw.writtenBytesCount();
    bpw.flush();
    auto writtenSize2 = bpw.writtenBytesCount();
    EXPECT_THAT(writtenSize1, Eq(0));
    EXPECT_THAT(writtenSize2, Eq(1));
}

TYPED_TEST(DataWriting, WhenDataAlignedThenFlushHasNoEffect) {
    using TWriter = typename TestFixture::TWriter;
    using TBuffer = typename TestFixture::TBuffer;
    TBuffer buf{};
    TWriter bw{buf};
    bitsery::AdapterWriterBitPackingWrapper<TWriter> bpw{bw};
    bpw.writeBits(3u, 2);
    bpw.align();
    auto writtenSize1 = bpw.writtenBytesCount();
    bpw.flush();
    auto writtenSize2 = bpw.writtenBytesCount();
    EXPECT_THAT(writtenSize1, Eq(1));
    EXPECT_THAT(writtenSize2, Eq(1));

}

TEST(DataWritingNonFixedBufferContainer, ContainerIsAlwaysResizedToCapacity) {
    NonFixedContainer buf{};
    bitsery::AdapterWriter<bitsery::OutputBufferAdapter<NonFixedContainer>, bitsery::DefaultConfig> bw{buf};
    for (auto i = 0; i < 5; ++i) {
        uint32_t tmp{};
        bw.writeBytes<4>(tmp);
        bw.writeBytes<4>(tmp);
        EXPECT_TRUE(buf.size() == buf.capacity());
    }
}