defmodule FrenzyWeb.FilterController do
  use FrenzyWeb, :controller
  alias Frenzy.{Repo, Feed, Filter, Rule}
  alias FrenzyWeb.Router.Helpers, as: Routes
  alias FrenzyWeb.Endpoint
  import Ecto.Query

  def edit(conn, %{"id" => id}) do
    filter = Repo.get(Filter, id) |> Repo.preload(:rules)
    changeset = Filter.changeset(filter, %{})
    render(conn, "edit.html", changeset: changeset)
  end

  def update(conn, %{"id" => id, "filter" => filter_params}) do
    filter = Repo.get(Filter, id) |> Repo.preload(:rules)
    changeset = Filter.changeset(filter, filter_params)
    Repo.update(changeset)
    redirect(conn, to: Routes.filter_path(Endpoint, :edit, id))
  end

  def add_rule(conn, %{"id" => id}) do
    filter = Repo.get(Filter, id)

    changeset =
      Ecto.build_assoc(filter, :rules, %{
        property: "title",
        mode: "contains_string",
        param: "",
        weight: 5
      })

    Repo.insert(changeset)

    redirect(conn, to: Routes.filter_path(Endpoint, :edit, id))
  end

  def remove_rule(conn, %{"id" => id, "rule_id" => rule_id}) do
    rule = Repo.get(Rule, rule_id)
    Repo.delete(rule)
    redirect(conn, to: Routes.filter_path(Endpoint, :edit, id))
  end
end