#pragma once

#include "screencast/codec/decoder.h"
#include "screencast/render/error.h"

#include <memory>
#include <string>

namespace sc {

struct RendererConfig {
    std::string window_title = "screencast receiver";
    int initial_width = 1280;
    int initial_height = 720;
    // Borderless fullscreen. On the headless KMSDRM backend (no window
    // manager) fullscreen is enabled automatically.
    bool fullscreen = false;
};

class Renderer {
  public:
    virtual ~Renderer() = default;

    // Present one decoded frame. Returns false if the window was closed.
    virtual bool present(const DecodedFrame& frame) = 0;

    // The display resolution (native monitor size in fullscreen mode).
    // Used by the receiver to tell the sender what resolution to encode at.
    virtual int display_width() const = 0;
    virtual int display_height() const = 0;

    // Pump events (window close, resize). Non-blocking.
    virtual bool poll_events() = 0;

    // Destroy the window and release GPU resources.
    virtual void shutdown() = 0;
};

class RendererFactory {
  public:
    static RendererResult<std::unique_ptr<Renderer>> create(const RendererConfig& config);
};

} // namespace sc