import {
  SELECT_MIDI_CONTROLLER,
  SELECT_NUMBER_OF_KEYBOARD_OCTAVES,
  SET_WEB_MIDI_SUPPORTED,
} from './action-types';

export const initialState = {
  selectedDeviceName: 'APC Key 25',
  webMidiSupported: false,
};

function seePianoKeyApp(state = initialState, action) {
  switch (action.type) {
    case SELECT_MIDI_CONTROLLER:
      return {
        ...state,
        selectedDeviceName: action.selectedDeviceName
      };
    case SELECT_NUMBER_OF_KEYBOARD_OCTAVES:
      return {
        ...state,
        numberOfKeyboardOctaves: action.numberOfKeyboardOctaves
      }
    case SET_WEB_MIDI_SUPPORTED:
      return {
        ...state,
        webMidiSupported: action.webMidiSupported,
      };
    default:
      return state;
  }
}

export default seePianoKeyApp;