#include "common.hh"

#include "file_test.hh"
#include "mock_timezone.hh"
#include "video.hh"

#include <gtest/gtest.h>

namespace {

static const uint8_t kSmallMp4[] = {
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};

class VideoTest : public FileTest {
public:
  void write_small_mp4() {
    write(std::string_view(reinterpret_cast<char const*>(kSmallMp4),
                           sizeof(kSmallMp4)));
    close();
  }

  void write_bad_mp4() {
    write(std::string_view(reinterpret_cast<char const*>(kSmallMp4),
                           sizeof(kSmallMp4) / 2));
    close();
  }

  std::string const& extension() override {
    static std::string mp4 = ".mp4";
    return mp4;
  }

  void SetUp() override {
    FileTest::SetUp();
  }

  Timezone* timezone() {
    return &timezone_;
  }

private:
  MockTimezone timezone_;
};

}  // namespace

TEST_F(VideoTest, small_mp4) {
  write_small_mp4();
  auto vid = Video::load(path(), timezone());
  ASSERT_TRUE(vid);
  EXPECT_EQ(1, vid->width());
  EXPECT_EQ(1, vid->height());
  EXPECT_EQ(0.04, vid->length());
  EXPECT_TRUE(vid->location().empty());
  EXPECT_TRUE(vid->date().empty());
}

TEST_F(VideoTest, bad_video) {
  write_bad_mp4();
  auto vid = Video::load(path(), timezone());
  EXPECT_FALSE(vid);
}

TEST_F(VideoTest, non_existant) {
  auto vid = Video::load(path() / "non_existant", timezone());
  EXPECT_FALSE(vid);
}