class Shared::AvatarComponent < ApplicationComponent
  attr_reader :record, :given_options

  def initialize(record, **given_options)
    @record = record
    @given_options = given_options
  end

  private

    def default_options
      { background_color: colors[seed % colors.size], size: 100, color: "white" }
    end

    def options
      default_options.merge(given_options)
    end

    def colors
      ["#16836d", "#12826c", "#896f06", "#a06608", "#1e8549", "#1e8549", "#b35e14",
       "#c75000", "#207ab6", "#2779b0", "#de2f1b", "#c0392b", "#9b59b6", "#8e44ad",
       "#6c767f", "#34495e", "#2c3e50", "#66797a", "#697677", "#d82286", "#c93b8e",
       "#db310f", "#727755", "#8a6f3d", "#8a6f3d", "#a94136"]
    end

    def seed
      record.id
    end

    def size
      options[:size]
    end

    def font_size
      (size * 0.6).round
    end

    def background_color
      options[:background_color]
    end

    def color
      options[:color]
    end

    def svg_options
      {
        xmlns: "http://www.w3.org/2000/svg",
        width: size,
        height: size,
        role: "img",
        "aria-hidden": true,
        style: "background-color: #{background_color}",
        class: "initialjs-avatar #{options[:class]}".strip
      }
    end

    def text_options
      {
        x: "50%",
        y: "50%",
        dy: "0.35em",
        "text-anchor": "middle",
        fill: color,
        style: "font-size: #{font_size}px"
      }
    end

    def initial
      record.name.first.upcase
    end

    def avatar_image
      tag.svg(**svg_options) do
        tag.text(initial, **text_options)
      end
    end
end