defmodule CanneryWeb.AmmoGroupLive.Index do
  @moduledoc """
  Liveview to show a Cannery.Ammo.AmmoGroup index
  """

  use CanneryWeb, :live_view
  alias Cannery.{Ammo, Ammo.AmmoGroup, Containers, Repo}
  alias CanneryWeb.Endpoint

  @impl true
  def mount(_params, session, socket) do
    {:ok, socket |> assign_defaults(session) |> display_ammo_groups()}
  end

  @impl true
  def handle_params(params, _url, %{assigns: %{live_action: live_action}} = socket) do
    {:noreply, apply_action(socket, live_action, params)}
  end

  defp apply_action(
         %{assigns: %{current_user: current_user}} = socket,
         :add_shot_group,
         %{"id" => id}
       ) do
    socket
    |> assign(:page_title, gettext("Record shots"))
    |> assign(:ammo_group, Ammo.get_ammo_group!(id, current_user))
  end

  defp apply_action(%{assigns: %{current_user: current_user}} = socket, :move, %{"id" => id}) do
    socket
    |> assign(:page_title, gettext("Move Ammo group"))
    |> assign(:ammo_group, Ammo.get_ammo_group!(id, current_user))
  end

  defp apply_action(%{assigns: %{current_user: current_user}} = socket, :edit, %{"id" => id}) do
    socket
    |> assign(:page_title, gettext("Edit Ammo group"))
    |> assign(:ammo_group, Ammo.get_ammo_group!(id, current_user))
  end

  defp apply_action(socket, :new, _params) do
    socket
    |> assign(:page_title, dgettext("actions", "Add Ammo"))
    |> assign(:ammo_group, %AmmoGroup{})
  end

  defp apply_action(socket, :index, _params) do
    socket |> assign(:page_title, gettext("Ammo groups")) |> assign(:ammo_group, nil)
  end

  @impl true
  def handle_event("delete", %{"id" => id}, %{assigns: %{current_user: current_user}} = socket) do
    Ammo.get_ammo_group!(id, current_user) |> Ammo.delete_ammo_group!(current_user)

    prompt = dgettext("prompts", "Ammo group deleted succesfully")

    {:noreply, socket |> put_flash(:info, prompt) |> display_ammo_groups()}
  end

  @impl true
  def handle_event(
        "toggle_staged",
        %{"ammo_group_id" => id},
        %{assigns: %{current_user: current_user}} = socket
      ) do
    ammo_group = Ammo.get_ammo_group!(id, current_user)

    {:ok, _ammo_group} =
      ammo_group |> Ammo.update_ammo_group(%{"staged" => !ammo_group.staged}, current_user)

    {:noreply, socket |> display_ammo_groups()}
  end

  defp display_ammo_groups(%{assigns: %{current_user: current_user}} = socket) do
    ammo_groups = Ammo.list_ammo_groups(current_user) |> Repo.preload([:ammo_type, :container])
    containers = Containers.list_containers(current_user)

    columns = [
      %{label: gettext("Ammo type"), key: "ammo_type"},
      %{label: gettext("Count"), key: "count"},
      %{label: gettext("Price paid"), key: "price_paid"},
      %{label: gettext("% left"), key: "remaining"},
      %{label: gettext("Range"), key: "range"},
      %{label: gettext("Container"), key: "container"},
      %{label: nil, key: "actions", sortable: false}
    ]

    rows =
      ammo_groups
      |> Enum.map(fn ammo_group ->
        assigns = %{ammo_group: ammo_group}

        columns
        |> Enum.into(%{}, fn %{key: key} ->
          value =
            case key do
              "ammo_type" ->
                {ammo_group.ammo_type.name,
                 live_patch(ammo_group.ammo_type.name,
                   to: Routes.ammo_type_show_path(Endpoint, :show, ammo_group.ammo_type),
                   class: "link"
                 )}

              "price_paid" ->
                if ammo_group.price_paid do
                  gettext("$%{amount}",
                    amount: ammo_group.price_paid |> :erlang.float_to_binary(decimals: 2)
                  )
                else
                  {"a", nil}
                end

              "remaining" ->
                "#{ammo_group |> Ammo.get_percentage_remaining()}%"

              "range" ->
                {ammo_group.staged,
                 ~H"""
                 <button
                   type="button"
                   class="btn btn-primary"
                   phx-click="toggle_staged"
                   phx-value-ammo_group_id={ammo_group.id}
                 >
                   <%= if ammo_group.staged, do: gettext("Unstage"), else: gettext("Stage") %>
                 </button>

                 <%= live_patch(dgettext("actions", "Record shots"),
                   to: Routes.ammo_group_index_path(Endpoint, :add_shot_group, ammo_group),
                   class: "btn btn-primary"
                 ) %>
                 """}

              "container" ->
                if ammo_group.container do
                  {ammo_group.container.name,
                   live_patch(ammo_group.container.name,
                     to: Routes.ammo_group_index_path(Endpoint, :move, ammo_group),
                     class: "btn btn-primary"
                   )}
                else
                  {nil, nil}
                end

              "actions" ->
                ~H"""
                <div class="py-2 px-4 h-full space-x-4 flex justify-center items-center">
                  <%= live_redirect to: Routes.ammo_group_show_path(Endpoint, :show, ammo_group),
                                class: "text-primary-600 link",
                                data: [qa: "view-#{ammo_group.id}"] do %>
                    <i class="fa-fw fa-lg fas fa-eye"></i>
                  <% end %>

                  <%= live_patch to: Routes.ammo_group_index_path(Endpoint, :edit, ammo_group),
                              class: "text-primary-600 link",
                              data: [qa: "edit-#{ammo_group.id}"] do %>
                    <i class="fa-fw fa-lg fas fa-edit"></i>
                  <% end %>

                  <%= link to: "#",
                        class: "text-primary-600 link",
                        phx_click: "delete",
                        phx_value_id: ammo_group.id,
                        data: [
                          confirm: dgettext("prompts", "Are you sure you want to delete this ammo?"),
                          qa: "delete-#{ammo_group.id}"
                        ] do %>
                    <i class="fa-fw fa-lg fas fa-trash"></i>
                  <% end %>
                </div>
                """

              _ ->
                ammo_group |> Map.get(key |> String.to_existing_atom())
            end

          {key, value}
        end)
      end)

    socket
    |> assign(ammo_groups: ammo_groups, containers: containers, columns: columns, rows: rows)
  end
end