#include "config.h"

#include "log.h"

#include <libreichwein/file.h>
#include <libreichwein/stringhelper.h>

#include <fmt/format.h>

#include <string>

const char *device = "default";    // playback device

std::string config_filename = "click.cfg";

Config::Config()
{
  recover();
}

Config::~Config()
{
  persist();
}

void Config::recover()
{
  try {
    // presets / defaults
    m_midi_channel = CLICK_CHANNEL;
    m_midi_note = CLICK_NOTE;
    m_bpm = default_bpm;

    std::string config = Reichwein::File::getFile(config_filename);

    std::vector<std::string> lines = Reichwein::Stringhelper::split(config, "\n");

    for (const auto& i: lines) {
      if (i.starts_with("midi_channel=")) {
        m_midi_channel = stoul(i.substr(13));
      }
      if (i.starts_with("midi_note=")) {
        m_midi_note = stoul(i.substr(10));
      }
      if (i.starts_with("bpm=")) {
        m_bpm = stoul(i.substr(4));
      }
    }
  } catch (const std::exception& ex) {
    log_cout << "Config not found. Setting config to defaults." << std::endl;
  }
}

void Config::persist()
{
  std::string config = fmt::format("midi_channel={}\n", m_midi_channel) +
    fmt::format("midi_note={}\n", m_midi_note) +
    fmt::format("bpm={}\n", m_bpm);

  Reichwein::File::setFile(config_filename, config);
}

int Config::get_midi_channel()
{
  return m_midi_channel;
}

void Config::set_midi_channel(int channel)
{
  m_midi_channel = channel;
}

int Config::get_midi_note()
{
  return m_midi_note;
}

void Config::set_midi_note(int note)
{
  m_midi_note = note;
}

int Config::get_bpm()
{
  return m_bpm;
}

void Config::set_bpm(int bpm)
{
  m_bpm = bpm;
}