defmodule MonoTab.IndexLayout do
  use Tableau.Layout, layout: MonoTab.RootLayout
  use Phoenix.Component

  def template(assigns) do
    ~H"""
    <h1>{@page[:title] || "Latest Posts"}</h1>

    <%= if @page[:description] do %>
      <p>{@page[:description]}</p>
    <% end %>

    <%= if assigns[:posts] && length(@posts) > 0 do %>
      <ul>
        <%= for post <- @posts do %>
          <li>
            <h2><a href={post.permalink}>{post.title}</a></h2>
            <%= if post[:date] do %>
              <time datetime={post[:date]}>{format_date(post[:date])}</time>
            <% end %>
            <%= if post[:description] do %>
              <p>{post[:description]}</p>
            <% end %>
          </li>
        <% end %>
      </ul>
    <% else %>
      <p>No posts found.</p>
    <% end %>

    {{:safe, render(@inner_content)}}
    """
  end

  defp format_date(date_string) when is_binary(date_string) do
    case Date.from_iso8601(date_string) do
      {:ok, date} -> Calendar.strftime(date, "%B %d, %Y")
      {:error, _} -> date_string
    end
  end

  defp format_date(%Date{} = date), do: Calendar.strftime(date, "%B %d, %Y")
  defp format_date(_), do: ""
end