class Avo::Resources::Items::Holder
  attr_reader :tools
  attr_accessor :items
  attr_accessor :invalid_fields

  def initialize
    @items = []
    @items_index = 0
    @invalid_fields = []
  end

  # Adds a field to the items_holder
  def field(field_name, **args, &block)
    field_parser = Avo::Dsl::FieldParser.new(id: field_name, order_index: @items_index, **args, &block).parse

    if field_parser.invalid?
      as = args.fetch(:as, nil)

      # End execution ehre and add the field to the invalid_fileds payload so we know to wanr the developer about that.
      # @todo: Make sure this warning is still active
      return add_invalid_field({
        name: field_name,
        as: as,
        # resource: resource_class.name,
        message: "There's an invalid field configuration for this resource. <br/> <code class='px-1 py-px rounded bg-red-600'>field :#{field_name}, as: #{as}</code>"
      })
    end

    add_item field_parser.instance
  end

  def tabs(instance)
    add_item instance
  end

  def tab(name, **args, &block)
    add_item Avo::Resources::Items::Tab::Builder.parse_block(name: name, **args, &block)
  end

  def tool(klass, **args)
    instance = klass.new(**args)
    add_item instance
  end

  def panel(panel_name = nil, **args, &block)
    panel = Avo::Resources::Items::ItemGroup::Builder.parse_block(name: panel_name, **args, &block)

    add_item panel
  end

  def heading(body = nil, **args, &block)
    field = Avo::Fields::HeadingField.new(body, **args)

    add_item field
  end

  def sidebar(instance)
    add_item instance
  end

  def add_item(instance)
    @items << instance

    increment_order_index
  end

  private

  def add_invalid_field(payload)
    @invalid_fields << payload
  end

  def increment_order_index
    @items_index += 1
  end
end