// Owns the audio-mirror pipeline (render-hook ring or WASAPI process loopback +
// re-render) and its UI. The target process is derived from the injected game's
// window; the render-stream debug view reads the hook's diagnostics back-channel.
#pragma once

#include <cstdint>

#include <windows.h>

#include "audio/audio_loopback.hpp"
#include "ipc/ipc_server.hpp"

namespace coop
{

class AudioPanel
{
public:
	// The window whose process audio to mirror (0 if none); typically the
	// injected game's HWND.
	void set_target(HWND target)
	{
		target_ = target;
	}

	// `status` is the hook's back-channel, for the render-stream view. With
	// `debug_details` on, the per-stream table is shown.
	void draw_ui(const HookStatusView& status, bool debug_details);

private:
	HWND target_ = nullptr;
	bool enabled_ = false;
	AudioMirror mirror_;

	// Per-stream activity tracking for the "live" column. Audio buffers release in
	// bursts, so most UI frames see no change; comparing to just the previous frame
	// flickers. Instead we remember when each stream last advanced and debounce the
	// live/idle indicator over a short window, plus a ~2 Hz frames/s estimate.
	std::uint64_t prev_frames_[kMaxAudioStreams] = {};
	double last_active_[kMaxAudioStreams] = {};       // ImGui time a stream last advanced
	std::uint64_t rate_base_frames_[kMaxAudioStreams] = {};
	double frames_per_s_[kMaxAudioStreams] = {};
	double rate_base_time_ = 0.0;
};

} // namespace coop