import crud from '../../api/crud.fetch'
import { as_type } from './crud.types'

/*
for our crud events, create corresponding actions
the actions fire a 'loading' event, call the underlying api method, and then resolve.
so you can do ... 
  var folderActions = crud_actions('folder')  
  folderActions('upload', (dispatch) => {
    new Promise((resolve, reject) => {
      fetch(...)
      .then(() => resolve(data))
      .catch(e => throw e)
    })
  })
  folderActions.index({ module: 'samplernn' })
*/

export function crud_actions(type) {
  const fetch_type = crud_fetch(type)
  return ['index', 'show', 'create', 'update', 'destroy'].reduce((lookup, param) => {
    lookup[param] = crud_action(type, 'index', () => fetch_type[type](param)]),
    return lookup
  }, { action: (method, fn) => crud_action(type, method, fn) })
}

export const crud_action = (type, method, fn) => dispatch => {
    dispatch({ type: as_type(type, method + '_loading') })
    fn(dispatch).then(data => {
      dispatch({ type: as_type(type, method), data })
    }).catch(e => {
      dispatch({ type: as_type(type, method + '_error') })
    })
  }
}