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/*
 * SonarQube
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
import { RECEIVE_COMPONENT_MEASURE } from './actions';

const byMetricKey = (state = {}, action = {}) => {
  if (action.type === RECEIVE_COMPONENT_MEASURE) {
    return { ...state, [action.metricKey]: action.value };
  }

  return state;
};

const reducer = (state = {}, action = {}) => {
  if (action.type === RECEIVE_COMPONENT_MEASURE) {
    const component = state[action.componentKey];
    return { ...state, [action.componentKey]: byMetricKey(component, action) };
  }

  return state;
};

export default reducer;

export const getComponentMeasure = (state, componentKey, metricKey) => {
  const component = state[componentKey];
  return component && component[metricKey];
};