# frozen_string_literal: true

module Ariadne
  # Converts time into a display-friendly format in a relative time (3d) or absolute date after a default of 30 days
  class RelativeTimeComponent < Ariadne::Component
    DEFAULT_TAG = :span
    TAG_OPTIONS = [DEFAULT_TAG].freeze
    DEFAULT_DATE_FORMAT = "%b %-d, %Y"
    DEFAULT_DATE_FORMAT_SWITCH = 30 * 24 * 60 * 60

    DEFAULT_CLASSES = ""

    # @example Default
    #
    #   <%= render(Ariadne::RelativeTimeComponent.new) { "Example" } %>
    #
    # @param tag [Symbol, String] The rendered tag name.
    # @param classes [String] <%= link_to_classes_docs %>
    # @param attributes [Hash] <%= link_to_attributes_docs %>
    def initialize(
      tag: DEFAULT_TAG,
      classes: "",
      time: nil,
      format: DEFAULT_DATE_FORMAT,
      date_format_switch: DEFAULT_DATE_FORMAT_SWITCH,
      force_relative: false,
      attributes: {}
    )
      raise ArgumentError, "A 'time' argument is required to use the Relative Time component." if time.blank?

      @now = 1.second.ago
      @tag = check_incoming_tag(DEFAULT_TAG, tag)
      @classes = merge_class_names(DEFAULT_CLASSES, classes)
      @time = time
      @date_format_switch = date_format_switch
      @format = format
      @force_relative = force_relative
      @attributes = attributes

      @formatted_date = formatted
    end

    private def formatted_time
      @time.localtime.strftime(@format)
    end

    private def time_difference
      (@now - @time).to_i.abs
    end

    private def formatted
      diff = time_difference

      if @force_relative || diff < @date_format_switch
        time_ago_in_words(@time)
      else
        @time.localtime.strftime(@format)
      end
    end
  end
end