#include <gtest/gtest.h>

#include <memory>
#include <string>

#include "frame/frame.h"
#include "node.h"
#include "utils/simple_json.h"
#include "../plugins/action_recog/action_recog_node.h"

namespace rk3588 {
namespace {

SimpleJson ParseActionConfig(const std::string& text) {
    SimpleJson config;
    std::string err;
    const bool ok = ParseSimpleJson(text, config, err);
    EXPECT_TRUE(ok);
    return config;
}

TEST(ActionRecogTest, EmitsFallAfterRapidDropAndLowPosePersistence) {
    ActionRecogNode node;

    const std::string config_text = R"({
        "id": "action_evt",
        "events": [
            {
                "type": "fall",
                "window_ms": 1500,
                "min_drop_pixels": 120,
                "min_aspect_ratio_delta": 0.35,
                "activate_duration_ms": 0
            }
        ]
    })";

    SimpleJson config = ParseActionConfig(config_text);
    NodeContext ctx;
    auto out = std::make_shared<SpscQueue<FramePtr>>(4, QueueDropStrategy::DropOldest);
    ctx.output_queues.push_back(out);

    ASSERT_TRUE(node.Init(config, ctx));
    ASSERT_TRUE(node.Start());

    auto frame1 = std::make_shared<Frame>();
    frame1->width = 1920;
    frame1->height = 1080;
    frame1->pts = 1000;
    frame1->det = std::make_shared<DetectionResult>();
    frame1->det->img_w = 1920;
    frame1->det->img_h = 1080;
    frame1->det->items.push_back(Detection{0, 0.92f, Rect{800.0f, 240.0f, 120.0f, 320.0f}, 17});

    auto frame2 = std::make_shared<Frame>();
    frame2->width = 1920;
    frame2->height = 1080;
    frame2->pts = 1600;
    frame2->det = std::make_shared<DetectionResult>();
    frame2->det->img_w = 1920;
    frame2->det->img_h = 1080;
    frame2->det->items.push_back(Detection{0, 0.94f, Rect{760.0f, 460.0f, 260.0f, 140.0f}, 17});

    EXPECT_EQ(static_cast<int>(node.Process(frame1)), static_cast<int>(NodeStatus::OK));
    EXPECT_EQ(static_cast<int>(node.Process(frame2)), static_cast<int>(NodeStatus::OK));
    ASSERT_NE(frame2->behavior_events, nullptr);
    ASSERT_EQ(frame2->behavior_events->items.size(), 1u);
    EXPECT_EQ(frame2->behavior_events->items[0].type, BehaviorEventType::Fall);
    ASSERT_EQ(frame2->behavior_events->items[0].track_ids.size(), 1u);
    EXPECT_EQ(frame2->behavior_events->items[0].track_ids[0], 17);
}

TEST(ActionRecogTest, EmitsFightWhenTwoTracksStayCloseWithRepeatedMotion) {
    ActionRecogNode node;

    const std::string config_text = R"({
        "id": "action_evt",
        "events": [
            {
                "type": "fight",
                "window_ms": 1200,
                "proximity_pixels": 220,
                "min_motion_pixels": 70,
                "activate_duration_ms": 0
            }
        ]
    })";

    SimpleJson config = ParseActionConfig(config_text);
    NodeContext ctx;
    auto out = std::make_shared<SpscQueue<FramePtr>>(4, QueueDropStrategy::DropOldest);
    ctx.output_queues.push_back(out);

    ASSERT_TRUE(node.Init(config, ctx));
    ASSERT_TRUE(node.Start());

    auto frame1 = std::make_shared<Frame>();
    frame1->width = 1920;
    frame1->height = 1080;
    frame1->pts = 1000;
    frame1->det = std::make_shared<DetectionResult>();
    frame1->det->img_w = 1920;
    frame1->det->img_h = 1080;
    frame1->det->items.push_back(Detection{0, 0.90f, Rect{700.0f, 320.0f, 120.0f, 300.0f}, 31});
    frame1->det->items.push_back(Detection{0, 0.89f, Rect{860.0f, 320.0f, 120.0f, 300.0f}, 32});

    auto frame2 = std::make_shared<Frame>();
    frame2->width = 1920;
    frame2->height = 1080;
    frame2->pts = 1300;
    frame2->det = std::make_shared<DetectionResult>();
    frame2->det->img_w = 1920;
    frame2->det->img_h = 1080;
    frame2->det->items.push_back(Detection{0, 0.91f, Rect{780.0f, 340.0f, 120.0f, 300.0f}, 31});
    frame2->det->items.push_back(Detection{0, 0.92f, Rect{820.0f, 300.0f, 120.0f, 300.0f}, 32});

    EXPECT_EQ(static_cast<int>(node.Process(frame1)), static_cast<int>(NodeStatus::OK));
    EXPECT_EQ(static_cast<int>(node.Process(frame2)), static_cast<int>(NodeStatus::OK));
    ASSERT_NE(frame2->behavior_events, nullptr);
    ASSERT_EQ(frame2->behavior_events->items.size(), 1u);
    EXPECT_EQ(frame2->behavior_events->items[0].type, BehaviorEventType::Fight);
    ASSERT_EQ(frame2->behavior_events->items[0].track_ids.size(), 2u);
    EXPECT_EQ(frame2->behavior_events->items[0].track_ids[0], 31);
    EXPECT_EQ(frame2->behavior_events->items[0].track_ids[1], 32);
}

}  // namespace
}  // namespace rk3588