#include <gtest/gtest.h>

#include <string>

#include "face/face_recog_debug.h"
#include "utils/simple_json.h"

namespace rk3588 {
namespace {

TEST(FaceRecogDebugTest, ParsesDebugConfigWithDefaultsAndOverrides) {
    FaceRecogDebugConfig defaults;
    EXPECT_FALSE(defaults.enabled);
    EXPECT_FALSE(defaults.log_matches);
    EXPECT_EQ(defaults.min_log_interval_ms, 2000);

    SimpleJson::Object debug_obj;
    debug_obj.emplace("enabled", SimpleJson(true));
    debug_obj.emplace("log_matches", SimpleJson(true));
    debug_obj.emplace("min_log_interval_ms", SimpleJson(350.0));

    SimpleJson::Object root_obj;
    root_obj.emplace("debug", SimpleJson(std::move(debug_obj)));
    SimpleJson cfg(std::move(root_obj));

    FaceRecogDebugConfig parsed = ParseFaceRecogDebugConfig(cfg, defaults);
    EXPECT_TRUE(parsed.enabled);
    EXPECT_TRUE(parsed.log_matches);
    EXPECT_EQ(parsed.min_log_interval_ms, 350);
}

TEST(FaceRecogDebugTest, BuildsSummaryLineForUncertainCandidate) {
    FaceRecogItem item;
    item.bbox = Rect{10.0f, 20.0f, 30.0f, 40.0f};
    item.candidate_person_id = 7;
    item.candidate_name = "alice";
    item.best_sim = 0.44f;
    item.second_sim = 0.41f;
    item.state = FaceRecogState::Uncertain;

    const std::string line = BuildFaceRecogDebugSummaryLine("face_recog", 42, item);

    EXPECT_NE(line.find("[ai_face_recog] match"), std::string::npos);
    EXPECT_NE(line.find("id=face_recog"), std::string::npos);
    EXPECT_NE(line.find("frame=42"), std::string::npos);
    EXPECT_NE(line.find("status=uncertain"), std::string::npos);
    EXPECT_NE(line.find("candidate=alice"), std::string::npos);
    EXPECT_NE(line.find("candidate_id=7"), std::string::npos);
    EXPECT_NE(line.find("best_sim=0.44"), std::string::npos);
    EXPECT_NE(line.find("second_sim=0.41"), std::string::npos);
    EXPECT_NE(line.find("sim_margin=0.03"), std::string::npos);
    EXPECT_NE(line.find("bbox=(10,20,30,40)"), std::string::npos);
}

TEST(FaceRecogDebugTest, BuildsFrameLineForRecognitionBatch) {
    const std::string line = BuildFaceRecogDebugFrameLine("face_recog", 42, 2, 2);

    EXPECT_NE(line.find("[ai_face_recog] frame"), std::string::npos);
    EXPECT_NE(line.find("id=face_recog"), std::string::npos);
    EXPECT_NE(line.find("frame=42"), std::string::npos);
    EXPECT_NE(line.find("faces_in=2"), std::string::npos);
    EXPECT_NE(line.find("recog_items=2"), std::string::npos);
}

}  // namespace
}  // namespace rk3588