notify.js

import {createModal} from '../../stores/modals';
import Intents from '../../intents';

const deactivateNotificaton = entityID =>  () => {
  Intents.update( state => {
    return state.updateIn(['currentGame', 'entities'], entities => {
      const ind = entities.findIndex( ent => ent.get('_id') === entityID );
      if(ind === -1) return entities;
      // debugger
      return entities.set(ind, entities.get(ind).set('notification:active', false));
    });
  });
};

function createNotificationModal(entity) {
  const entityID = entity.get('_id');
  return createModal(
    'NotificationModal',
    entityID,
    {
      message: entity.get('notification:message'),
      onClose: deactivateNotificaton(entityID)
    }
  );
}

const hasNotificationComponent = ent => (
  ent.get('component:notification') === true
);

const findModalForEntity = (modals, entity) => (
  modals && modals.find( m => m.get('uuid') === entity.get('_id'))
);

export default function notifySystem(state) {
  const entities = state.getIn(['currentGame', 'entities']);
  const applicableEntities = entities.filter( hasNotificationComponent );
  const modals = state.get('modals');
  if(!modals) return state;

  let nextState = state;
  applicableEntities.forEach( entity => {
    const entityModal = findModalForEntity(modals, entity);
    const isNotificationActive = entity.get('notification:active');

    if(isNotificationActive === true && !entityModal) {
      nextState = nextState.updateIn(
        ['modals'],
        modals => modals.push(createNotificationModal(entity))
      );
    } else if(isNotificationActive === false && entityModal) {
      if(
        modals && modals.find( m => m.get('uuid') === entity.get('_id'))
      ) {
        nextState = nextState.updateIn(
          ['modals'],
          modals => modals.filter( m => m.get('uuid') !== entity.get('_id'))
        );
      }
    }
  });

  return nextState;
}