#pragma once

#include "MediaAsset.h"
#include <chrono>
#include <string>
#include <vector>
#include <mutex>
#include <android/native_window.h>
#include <android/native_window_jni.h>

class Renderer {
public:
    Renderer();
    ~Renderer();

    void setNextMedia(int fd);

    void renderFrame(ANativeWindow* window);
    void release();

private:
    std::mutex renderMutex_;

    MediaAsset currentMedia_;
    MediaAsset nextMedia_;
    std::string currentMediaPath_;

    std::chrono::steady_clock::time_point mediaStartTime_;
    std::chrono::steady_clock::time_point fadeStartTime_;
    bool isFading_ = false;

    void drawMedia(ANativeWindow_Buffer& buffer, const MediaAsset& media, float alpha, float offsetElapsedMs);
    void updateOffset(float& offsetX, float& offsetY, float overflowX, float overflowY, long long elapsedMs);
    void renderVideoFrame(const MediaAsset& media, ANativeWindow_Buffer& buffer, float scale, float offsetX, float offsetY, float alpha);
    void renderImageFrame(const MediaAsset& media, ANativeWindow_Buffer& buffer, float scale, float offsetX, float offsetY, float alpha);
};