defmodule Shino.Notification.Base do
  @moduledoc """
  Provides base components for deriving various types of notifications.
  """

  use Phoenix.Component

  import Shino.UI.Helpers, only: [icon: 1]
  alias Phoenix.LiveView.JS

  @types [:flash, :"lv-flash", :"lv-toast"]
  @kinds [:info, :success, :warning, :critical]

  @type kind :: :info | :success | :warning | :critical

  @doc false
  def kinds, do: @kinds

  @doc """
  Base notification component.

  Based on the look and feel of [Sonner](https://sonner.emilkowal.ski/).
  """
  attr :id, :string, required: true, doc: "the DOM id of notification"
  attr :group_id, :string, required: true, doc: "the DOM id of notification group"
  attr :type, :atom, required: true, values: @types, doc: "the type of notification"
  attr :kind, :atom, required: true, values: @kinds, doc: "the kind of notification message"

  attr :duration, :integer,
    default: nil,
    doc: "the time in milliseconds before the message is automatically dismissed"

  attr :icon, :any, default: nil
  attr :title, :string, default: nil
  attr :message, :string, default: nil
  attr :action, :any, default: nil

  attr :component, :any,
    default: nil,
    doc: """
    An alternative component, which accepts all the attrs of current component.
    """

  attr :rest, :global, doc: "the arbitrary attributes to add to the notification container"
  slot :inner_block

  def notification(assigns) do
    ~H"""
    <div
      :if={body = render_slot(@inner_block) || @message}
      id={@id}
      role="alert"
      data-group-id={@group_id}
      data-type={@type}
      data-kind={@kind}
      data-duration={@duration || 4000}
      class={
        [
          "col-start-1 col-end-1 row-start-1 row-end-2",
          # start hidden if JavaScript is enabled
          "[@media(scripting:enabled)]:opacity-0 [@media(scripting:enabled){[data-phx-main]_&}]:opacity-100"
        ]
      }
      phx-hook="Shino.Notification"
      {@rest}
    >
      <%= if @component do %>
        <%= @component.(Map.merge(assigns, %{body: body})) %>
      <% else %>
        <%= default_component(Map.merge(assigns, %{body: body})) %>
      <% end %>
    </div>
    """
  end

  defp default_component(assigns) do
    ~H"""
    <div class={[
      "group/notification",
      "relative",
      "flex items-center justify-between",
      "w-full",
      "p-4 pointer-events-auto origin-center",
      "border rounded-lg shadow-lg overflow-hidden",
      assigns[:kind] == :info && "bg-white text-black",
      assigns[:kind] == :success && "!text-green-700 !bg-green-100 border-green-200",
      assigns[:kind] == :warning && "!text-yellow-700 !bg-yellow-100 border-yellow-200",
      assigns[:kind] == :critical && "!text-red-700 !bg-red-100 border-red-200"
    ]}>
      <div class="grow flex flex-col items-start justify-center">
        <p
          :if={@title}
          data-part="title"
          class={[
            if(@icon, do: "mb-2", else: ""),
            "flex items-center text-sm font-semibold leading-6"
          ]}
        >
          <%= if @icon do %>
            <%= @icon.(assigns) %>
          <% end %>
          <%= @title %>
        </p>
        <p class="text-sm leading-5">
          <%= @body %>
        </p>
      </div>

      <%= if @action do %>
        <%= @action.(assigns) %>
      <% end %>

      <button
        type="button"
        class={[
          "group group-has-[[data-part='title']]/notification:absolute group-has-[[data-part='title']]/notification:top-1.5 group-has-[[data-part='title']]/notification:right-1.5",
          "p-1",
          "rounded-md text-black/50 transition-all",
          "hover:text-black hover:bg-black/5 group-hover:opacity-100",
          "focus:opacity-100 focus:outline-none focus:ring-2"
        ]}
        aria-label="close"
        phx-click={JS.dispatch("notification-dismiss", to: "##{@id}")}
      >
        <.icon name="tabler-x" class="h-3.5 w-3.5 opacity-40 group-hover:opacity-70" />
      </button>
    </div>
    """
  end
end