#pragma once

#include "../Component.h"
#include "../types.h"

#include "Asset.h"

namespace crepe {

class AudioSystem;

//! Audio source component
class AudioSource : public Component {
	//! AudioSource components are handled by AudioSystem
	friend class AudioSystem;

protected:
	AudioSource(game_object_id_t id, const Asset & source);
	//! Only ComponentManager can create components
	friend class ComponentManager;
public:
	// But std::unique_ptr needs to be able to destoy this component again
	virtual ~AudioSource() = default;

public:
	//! Start or resume this audio source
	void play(bool looping = false);
	//! Stop this audio source
	void stop();

public:
	//! Play when this component becomes active
	bool play_on_awake = false;
	//! Repeat the current audio clip during playback
	bool loop = false;
	//! Normalized volume (0.0 - 1.0)
	float volume = 1.0;

private:
	//! This audio source's clip
	const Asset source;

	//! If this source is playing audio
	bool playing = false;
	//! Rewind the sample location
	bool rewind = false;

private:
	//! Value of \c active after last system update
	bool last_active = false;
	//! Value of \c playing after last system update
	bool last_playing = false;
	//! Value of \c volume after last system update
	float last_volume = 1.0;
	//! Value of \c loop after last system update
	bool last_loop = false;
};

} // namespace crepe