import {hash_with_key} from '../common/utilities'
import {create_item, update_item_id, store_items, remove_item} from './base'

const initial_state = {
  events: {},
  current_user: null,
  current_events: [],
  current_month: (new Date()).getMonth(),
  current_year: (new Date()).getFullYear(),
  current_date: (new Date()).getDate(),
  idGenerator: 0,
}

export function calendar(state = initial_state, action) {
  switch (action.type) {
    case "store_events":
      return store_items(state, "events", action.events)
    case "set_current_user":
      return Object.assign({}, state, {
        current_user: action.user_id,
      })
    case 'change_current_month':
      return Object.assign({}, state, {
        current_month: action.month,
        current_year: action.year,
      })
    case 'set_current_date':
      return Object.assign({}, state, {
        current_date: action.date,
      })
    case 'create_event':
      return create_item(state, "events", action.event)
    case 'update_event_id':
      return update_item_id(state, "events", action.event, action.temp_id)
    case 'remove_event':
      return remove_item(state, "events", action.event_id)
    default:
      return state
  }
}