import { FETCH_PROJECTS_SUCCESS } from "../actions/projects";

export const defaultState = {
  byName: {},
};

export function projectsReducer(state = defaultState, action) {
  switch(action.type) {
    case FETCH_PROJECTS_SUCCESS:
      return handleFetchProjectsSuccess(state, action);
    default:
      return state;
  }
}

function handleFetchProjectsSuccess(state, action) {
  const projectsByName = action.projects.reduce((byName, project) => {
    byName[project.full_name] = project;
    return byName;
  }, {});
  return {
    ...state,
    byName: {
      ...projectsByName,
    }
  };
}