# frozen_string_literal: true

module Faker
  class Avatar < Base
    class << self
      # @private
      SUPPORTED_FORMATS = %w[png jpg bmp].freeze

      ##
      # Produces a URL for an avatar from robohash.org
      #
      # @param slug [String, nil]
      # @param size [String] image size in pixels, in the format of 'AxB'
      # @param format [String] The image file format
      # @param set [String] The avatar set to use
      # @param bgset [String, nil] The background set to use
      # @return [String] A robohash.org URL
      #
      # @example
      #   Faker::Avatar.image
      #     #=> "https://robohash.org/sitsequiquia.png?size=300x300&set=set1"
      # @example
      #   Faker::Avatar.image(slug: "my-own-slug")
      #     #=> "https://robohash.org/my-own-slug.png?size=300x300&set=set1"
      # @example
      #   Faker::Avatar.image(slug: "my-own-slug", size: "50x50")
      #     #=> "https://robohash.org/my-own-slug.png?size=50x50&set=set1"
      # @example
      #   Faker::Avatar.image(slug: "my-own-slug", size: "50x50", format: "jpg")
      #     #=> "https://robohash.org/my-own-slug.jpg?size=50x50&set=set1"
      # @example
      #   Faker::Avatar.image(slug: "my-own-slug", size: "50x50", format: "bmp")
      #     #=> "https://robohash.org/my-own-slug.bmp?size=50x50&set=set1"
      # @example
      #   Faker::Avatar.image(slug: "my-own-slug", size: "50x50", format: "bmp", set: "set1", bgset: "bg1")
      #     #=> "https://robohash.org/my-own-slug.bmp?size=50x50&set=set1&bgset=bg1"
      #
      # @faker.version 1.4.3
      def image(slug: nil, size: '300x300', format: 'png', set: 'set1', bgset: nil)
        raise ArgumentError, 'Size should be specified in format 300x300' unless size =~ /^[0-9]+x[0-9]+$/
        raise ArgumentError, "Supported formats are #{SUPPORTED_FORMATS.join(', ')}" unless SUPPORTED_FORMATS.include?(format)

        slug ||= Faker::Lorem.words.join
        bgset_query = "&bgset=#{bgset}" if bgset
        "https://robohash.org/#{slug}.#{format}?size=#{size}&set=#{set}#{bgset_query}"
      end
    end
  end
end