/// <reference path="../pb_data/types.d.ts" />
migrate((app) => {
  const collection = app.findCollectionByNameOrId("pbc_4178589572")

  // add field
  collection.fields.addAt(1, new Field({
    "autogeneratePattern": "",
    "hidden": false,
    "id": "text724990059",
    "max": 0,
    "min": 0,
    "name": "title",
    "pattern": "",
    "presentable": false,
    "primaryKey": false,
    "required": false,
    "system": false,
    "type": "text"
  }))

  // add field
  collection.fields.addAt(2, new Field({
    "autogeneratePattern": "",
    "hidden": false,
    "id": "text1843675174",
    "max": 0,
    "min": 0,
    "name": "description",
    "pattern": "",
    "presentable": false,
    "primaryKey": false,
    "required": false,
    "system": false,
    "type": "text"
  }))

  // add field
  collection.fields.addAt(3, new Field({
    "autogeneratePattern": "",
    "hidden": false,
    "id": "text1704208859",
    "max": 0,
    "min": 0,
    "name": "icon",
    "pattern": "",
    "presentable": false,
    "primaryKey": false,
    "required": false,
    "system": false,
    "type": "text"
  }))

  // add field
  collection.fields.addAt(4, new Field({
    "hidden": false,
    "id": "json3217087507",
    "maxSize": 0,
    "name": "features",
    "presentable": false,
    "required": false,
    "system": false,
    "type": "json"
  }))

  // add field
  collection.fields.addAt(5, new Field({
    "hidden": false,
    "id": "number4113142680",
    "max": null,
    "min": null,
    "name": "order",
    "onlyInt": false,
    "presentable": false,
    "required": false,
    "system": false,
    "type": "number"
  }))

  return app.save(collection)
}, (app) => {
  const collection = app.findCollectionByNameOrId("pbc_4178589572")

  // remove field
  collection.fields.removeById("text724990059")

  // remove field
  collection.fields.removeById("text1843675174")

  // remove field
  collection.fields.removeById("text1704208859")

  // remove field
  collection.fields.removeById("json3217087507")

  // remove field
  collection.fields.removeById("number4113142680")

  return app.save(collection)
})