#pragma once

#include <SDL/SDL.h>
#include "RtAudio.h"
#include <vector>
#include <pthread.h>
#include "audioloop.h"

class Listener {
public:
    Listener();
    ~Listener();
    int main_loop();

    /* audio instance vars */
    /* these are public so that the audio callback can access them */
    double* _audio_buffer;
    AudioLoop* _cur_audio_loop;
    vector<AudioLoop*> _audio_loops;

private:
    static int audio_callback(void *outputBuffer, void *inputBuffer,
            unsigned int nBufferFrames, double streamTime,
            RtAudioStreamStatus status, void* user_data);

    void init_gl();
    int init_sdl();

    void render(double tick_time);
    void update(double tick_time);
    void reshapeFunc(const SDL_ResizeEvent & resize_e);
    int keyboard_event(const SDL_KeyboardEvent & keyboard_e);
    void mouse_down_event(const SDL_MouseButtonEvent & button_e);
    void mouse_up_event(const SDL_MouseButtonEvent & button_e);
    void mouse_motion_event(const SDL_MouseMotionEvent & motion_e);
    void do_gl_projection();
    void clean_up();

    void draw_phase_loop();

    /* audio instance vars */
    RtAudio* _dac;
    unsigned int _buffer_size;

    /* graphics instance vars */
    int _window_width;
    int _window_height;

    AudioLoop* _selected_loop;

    bool _is_mouse_pressed;

    pthread_t _osc_thread;
};