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

  def index(conn, _params) do
    groups = Repo.all(from group in Group, preload: [:feeds])
    render(conn, "index.html", groups: groups)
  end

  def show(conn, %{"id" => id}) do
    group = Repo.get(Group, id) |> Repo.preload(:feeds)

    create_feed_changeset =
      Feed.changeset(
        %Feed{
          group_id: id
        },
        %{}
      )

    render(conn, "show.html", %{
      group: group,
      create_feed_changeset: create_feed_changeset
    })
  end

  def new(conn, _params) do
    changeset = Group.changeset(%Group{}, %{})

    render(conn, "new.html", changeset: changeset)
  end

  def create(conn, %{"group" => %{"title" => title}}) do
    changeset = Group.changeset(%Group{title: title}, %{})

    {:ok, group} = Repo.insert(changeset)

    redirect(conn, to: Routes.group_path(Endpoint, :index))
  end

  def delete(conn, %{"id" => id}) do
    group = Repo.get(Group, id)
    {:ok, _} = Repo.delete(group)
    redirect(conn, to: Routes.group_path(Endpoint, :index))
  end
end