#include "Sound.h"

Sound::Sound() {
    is_open = false;
    stream = NULL;
}

void Sound::setSound(SoundData *sound_data) {
    if (sound_data->len && !is_open) {
        //SDL_Log("audio open, len %d", sound_data->len);
        stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &sound_data->spec, &streamCb, sound_data);
        //stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &sound_data.spec, NULL, NULL);
        if (stream) {
            is_open = true;
        } else {
            SDL_Log("Could not open audio stream %s", SDL_GetError());
        }
    }
    if (stream && is_open) {
        if (sound_data->len) {
            SDL_SetAudioStreamGetCallback(stream, streamCb, sound_data);
            SDL_ResumeAudioStreamDevice(stream);
        } else {
            SDL_SetAudioStreamGetCallback(stream, NULL, sound_data);
        }
        /*int len = SDL_GetAudioStreamQueued(stream);
        SDL_Log("LEN %d paused %d", len);
        if (!len) {
            SDL_PutAudioStreamData(stream, sound_data.buf, sound_data.len);
        }*/
    }
}

void Sound::streamCb(void *userdata, SDL_AudioStream *stream, int additional_amount, int total_amount) {
    SoundData* sound_data = (SoundData *) userdata;
    if ((!sound_data->is_played || sound_data->loop) && additional_amount) {
        //SDL_Log("LEN2 %d total_amount %d additional_amount %d", sound_data->len, total_amount, additional_amount);
        SDL_PutAudioStreamData(stream, sound_data->buf, sound_data->len);
        sound_data->is_played = true;
    }
}

void Sound::closeSound() {
    SDL_DestroyAudioStream(stream);
    stream = NULL;
    is_open = false;
}