import { createAction, handleActions } from 'redux-actions';
import { fromJS } from 'immutable';

// Constants
export const CHARS_SET = 'barcode/CHARS_SET';
export const BARCODE_SET = 'bardcode/BARCODE_SET';
export const BARCODE_UNSET = 'bardcode/BARCODE_UNSET';
export const PRESSED = 'bardcode/PRESSED';

// Actions
export const pressed = createAction('PRESSED');
export const setPress = createAction('PRESS_SET');
export const unsetPress = createAction('PRESS_UNSET');
export const setBarcode = createAction('BARCODE_SET');
export const unsetBarcode = createAction('BARCODE_UNSET');

export const actions = {
  setPress,
  unsetPress,
  setBarcode,
  pressed,
};

// State
const initialState = fromJS({
  chars: [],
  barcodeValue: '',
  pressed: false,
  lastScanTime: new Date(),
});

// Reducer
export default handleActions(
  {
    PRESS_SET: (state, action) =>
      state.set(
        'chars',
        fromJS(action.payload.chars).set(
          'lastScanTime',
          action.payload.lastScanTime,
        ),
      ),
    PRESS_UNSET: state => state.set('chars', fromJS([])).set('pressed', false),
    BARCODE_SET: (state, action) =>
      state.set('barcodeValue', action.payload.barcodeValue),
    BARCODE_UNSET: state => state.set('barcodeValue', ''),
    PRESSED: state => state.set('pressed', true),
  },
  initialState,
);