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#include "rewriter/fortune_rewriter.h"

#include <cstddef>
#include <string>

#include "base/logging.h"
#include "base/system_util.h"
#include "converter/segments.h"
#include "request/conversion_request.h"
#include "testing/base/public/googletest.h"
#include "testing/base/public/gunit.h"
#include "absl/flags/flag.h"

namespace mozc {
namespace {

void AddSegment(const std::string &key, const std::string &value,
                Segments *segments) {
  segments->Clear();
  Segment *seg = segments->push_back_segment();
  seg->set_key(key);
  Segment::Candidate *candidate = seg->add_candidate();
  candidate->Init();
  candidate->value = key;
  candidate->content_key = key;
  candidate->content_value = value;
}

bool HasFortune(const Segments &segments) {
  CHECK_EQ(segments.segments_size(), 1);
  for (size_t i = 0; i < segments.segment(0).candidates_size(); ++i) {
    const Segment::Candidate &candidate = segments.segment(0).candidate(i);
    if ("今日の運勢" == candidate.description) {
      // has valid value?
      if ("大吉" == candidate.value || "吉" == candidate.value ||
          "中吉" == candidate.value || "小吉" == candidate.value ||
          "末吉" == candidate.value || "凶" == candidate.value) {
        return true;
      }
    }
  }
  return false;
}

class FortuneRewriterTest : public ::testing::Test {
 protected:
  void SetUp() override {
    SystemUtil::SetUserProfileDirectory(absl::GetFlag(FLAGS_test_tmpdir));
  }
};

TEST_F(FortuneRewriterTest, BasicTest) {
  FortuneRewriter fortune_rewriter;
  const ConversionRequest request;

  Segments segments;
  AddSegment("test", "test", &segments);
  fortune_rewriter.Rewrite(request, &segments);
  EXPECT_FALSE(HasFortune(segments));

  AddSegment("おみくじ", "test", &segments);
  fortune_rewriter.Rewrite(request, &segments);
  EXPECT_TRUE(HasFortune(segments));
}

}  // namespace
}  // namespace mozc
