module PandaCms
  module ApplicationHelper
    #
    # Helper method to render a ViewComponent
    # @see ViewComponent::Rendering#render
    # @usage <%= component "example", title: "Hello World!" %>
    #
    def component(name, *, **, &)
      component = name.to_s.camelize.constantize::Component
      render(component.new(*, **), &)
    end

    def title_tag
      if @breadcrumbs.present?
        "#{@breadcrumbs.last&.name} &middot; #{PandaCms.config.title}".html_safe
      else
        PandaCms.config.title
      end
    end

    def panda_cms_editor
      if Current.user&.admin
        content_tag(:a, "🐼", href: edit_admin_page_url(Current.page), class: "text-3xl inline absolute right-2 top-2")
      end
    end

    def active_link?(path, match: :starts_with)
      if match == :starts_with
        return request.path.starts_with?(path)
      elsif match == :exact
        return (request.path == path)
      end

      false
    end

    def block_link_to(name = nil, options = nil, html_options = {}, &)
      html_options[:class] = "block-link"
      link_to(name, options, html_options, &)
    end

    def panda_cms_form_with(**options, &)
      options[:builder] = PandaCms::FormBuilder
      options[:class] = "p-6 bg-mid/5 rounded-lg border-mid border"
      form_with(**options, &)
    end

    def nav_class(mode)
      if mode == "mobile"
        "-mx-3 block rounded-lg px-3 py-2 font-semibold leading-6 text-white hover:text-white hover:underline focus:underline"
      else
        "font-semibold leading-6 text-white hover:text-white hover:underline focus:underline"
      end
    end

    def selected_nav_highlight_colour_classes(request)
      "bg-mid text-white relative flex transition-all py-3 px-2 mb-2 rounded-md group flex gap-x-3 rounded-md text-base leading-6 font-normal "
    end

    def nav_highlight_colour_classes(request)
      "text-white hover:bg-mid/60 transition-all group flex gap-x-3 py-3 px-2 mb-2 rounded-md text-base leading-6 font-normal "
    end

    def level_indent(level)
      case level
      when 0
        "ml-0"
      when 1
        "ml-4"
      when 2
        "ml-8"
      when 3
        "ml-12"
      when 4
        "ml-16"
      when 5
        "ml-20"
      when 6
        "ml-24"
      when 7
        "ml-28"
      when 8
        "ml-32"
      when 9
        "ml-36"
      when 10
        "ml-40" # We can go to 72...
      else
        "ml-48"
      end
    end

    def table_indent(item_with_level_attribute)
      level_indent(item_with_level_attribute.level)
    end

    def menu_indent(item_with_level_attribute, indent_with: "pl-")
      case item_with_level_attribute.level
      when 0
        "#{indent_with}0"
      when 1
        "#{indent_with}4"
      when 2
        "#{indent_with}8"
      when 3
        "#{indent_with}12"
      when 4
        "#{indent_with}16"
      else
        "#{indent_with}20"
      end
    end
  end
end