// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
// This file is part of Parity.

// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Parity.  If not, see <http://www.gnu.org/licenses/>.

const initialState = {
  pending: false,
  queue: []
};

export default (state = initialState, action) => {
  if (action.type === 'names reserve start') {
    return { ...state, pending: true };
  }
  if (action.type === 'names reserve success') {
    return {
      ...state, pending: false,
      queue: state.queue.concat({ action: 'reserve', name: action.name })
    };
  }
  if (action.type === 'names reserve fail') {
    return { ...state, pending: false };
  }

  if (action.type === 'names drop start') {
    return { ...state, pending: true };
  }
  if (action.type === 'names drop success') {
    return {
      ...state, pending: false,
      queue: state.queue.concat({ action: 'drop', name: action.name })
    };
  }
  if (action.type === 'names drop fail') {
    return { ...state, pending: false };
  }

  return state;
};