# frozen_string_literal: true

module Ariadne
  # A container for a row of tags. Keyboard support is provided.
  # @accessibility This component requires you to pass in a `sr_label`
  # attribute, which will be used to label the tabs for screen readers.
  class TabContainerComponent < Ariadne::Component
    DEFAULT_TAG = :"tab-container"

    DEFAULT_CLASSES = ""

    DEFAULT_SELECTED_CLASSES = "ariadne-border-slate-500 ariadne-text-slate-600"
    DEFAULT_UNSELECTED_CLASSES = "ariadne-text-gray-500 hover:ariadne-text-gray-700 hover:ariadne-border-gray-300"

    # Tabs and panels to be rendered.
    #
    # @param id [String] The unique ID of the tab.
    # @param selected [Boolean] Whether the tab is selected.
    # @param classes [String] <%= link_to_classes_docs %>
    # @param attributes [Hash] <%= link_to_attributes_docs %>
    renders_many :tabs, lambda { |id: "", selected: false, classes: "", attributes: {}|
      actual_classes = class_names(selected ? DEFAULT_SELECTED_CLASSES : DEFAULT_UNSELECTED_CLASSES, classes)

      Ariadne::TabComponent.new(
        id: id,
        selected: selected,
        with_panel: true,

        classes: actual_classes,
        attributes: attributes,
      )
    }

    # @example Default
    #
    #   <%= render(Ariadne::TabContainerComponent.new(sr_label: "Comments")) do |tab_container| %>
    #     <%= render(Ariadne::TabComponent.new(id: "pub-comment")) do |tab| %>
    #       <% tab.text { "Tab 1" } %>
    #       <% tab.panel { "Panel 1" } %>
    #     <% end %>
    #     <%= render(Ariadne::TabComponent.new(id: "pub-comment")) do |tab| %>
    #       <% tab.text { "Tab 2" } %>
    #       <% tab.panel { "Panel 2" } %>
    #     <% end %>
    #   <% end %>
    #
    # %>
    #
    # @param sr_label [String] Sets an `aria-label` that helps assistive technology users understand the purpose of the tabs.
    # @param classes [String] <%= link_to_classes_docs %>
    # @param attributes [Hash] <%= link_to_attributes_docs %>
    def initialize(sr_label:, classes: "", attributes: {})
      @tag = DEFAULT_TAG
      @classes = class_names(
        DEFAULT_CLASSES,
        classes,
      )

      @attributes = attributes
      @attributes[:"aria-label"] = sr_label
      @attributes[:role] = :presentation
    end

    def render?
      tabs.present?
    end
  end
end