const _widgets = [
  { id: 123, name: "Trout Lure" },
  { id: 124, name: "Evil Repellant" }
];

const _moreWidgets = [
  { id: 223, name: "Bass Lure" },
  { id: 224, name: "Good Repellant" }
];

const fruits = [
  { id: 1, name: "apple", farmer_id: 1, color_ids: [1, 2], category_id: 4 },
  { id: 2, name: "banana", farmer_id: 1, color_ids: [3], category_id: 3 },
  { id: 3, name: "grape", farmer_id: 2, color_ids: [2], category_id: 5 },
  { id: 4, name: "orange", farmer_id: null, color_ids: [2], category_id: 5 }
];

const farmers = [
  { id: 1, name: "Old MacDonald" },
  { id: 2, name: "Luke Skywalker" }
];

const colors = [
  { id: 1, name: "Red" },
  { id: 2, name: "Green" },
  { id: 3, name: "Yellow" }
];

export default function(helpers) {
  const { response, success, parsePostData } = helpers;

  this.get("/fruits/:id", function(request) {
    const fruit = fruits.find(f => f.id === parseInt(request.params.id));
    return response({ __rest_serializer: "1", fruit, farmers, colors });
  });

  this.get("/fruits", function() {
    return response({
      __rest_serializer: "1",
      fruits,
      farmers,
      colors,
      extras: { hello: "world" }
    });
  });

  this.get("/barns/:id", function() {
    return response({
      __rest_serializer: "1",
      meta: {
        types: {
          owner: "farmer"
        }
      },
      barn: { id: 1234, owner_id: farmers[0].id },
      farmers: [farmers[0]]
    });
  });

  this.get("/widgets/:widget_id", function(request) {
    const w = _widgets.findBy("id", parseInt(request.params.widget_id));
    if (w) {
      return response({ widget: w, extras: { hello: "world" } });
    } else {
      return response(404);
    }
  });

  this.post("/widgets", function(request) {
    const widget = parsePostData(request.requestBody).widget;
    widget.id = 100;
    return response(200, { widget });
  });

  this.put("/widgets/:widget_id", function(request) {
    const widget = parsePostData(request.requestBody).widget;
    return response({ widget });
  });

  this.put("/cool_things/:cool_thing_id", function(request) {
    const cool_thing = parsePostData(request.requestBody).cool_thing;
    return response({ cool_thing });
  });

  this.get("/widgets", function(request) {
    let result = _widgets;

    const qp = request.queryParams;
    if (qp) {
      if (qp.name) {
        result = result.filterBy("name", qp.name);
      }
      if (qp.id) {
        result = result.filterBy("id", parseInt(qp.id));
      }
    }

    return response({
      widgets: result,
      meta: {
        total_rows_widgets: 4,
        load_more_widgets: "/load-more-widgets",
        refresh_widgets: "/widgets?refresh=true"
      }
    });
  });

  this.get("/load-more-widgets", function() {
    return response({
      widgets: _moreWidgets,
      total_rows_widgets: 4,
      load_more_widgets: "/load-more-widgets"
    });
  });

  this.delete("/widgets/:widget_id", success);
}