#include "audio.hpp"

#include <opusfile.h>
#include <algorithm>
#include <cstring>

#include "file.hpp"

constexpr int num_channels = 2;
constexpr int sample_rate = 48000;
constexpr int frame_size = 960;
constexpr int frames_per_buffer = 480;

struct AudioFile {
    float gain = 1.0f;
    bool finished = false;
    OggOpusFile* handle = nullptr;
};

std::vector<AudioFile> audio_files;

void audio::initialize() {
   // todo: stub
}

void audio::play_file(const prism::path& path, const float gain) {
    auto audio_file = prism::open_file(path);
    if(audio_file == std::nullopt)
        return;

    audio_file->read_all();

    AudioFile file;
    file.gain = gain;
    file.handle = op_open_memory(audio_file->cast_data<unsigned char>(), audio_file->size(), nullptr);

    audio_files.push_back(file);
}