require "active_support"

module Amakanize
  class AuthorName
    ENCLOSED_ALPHANUMERICS = %w(
      ⓿
      ⓪
      ➀
      ➊
      ➀
      ❶
      ①
      ⓵
      ⓾
      ➉
      ❿
      ➉
      ➓
      ⑩
      ⓫
      ⑪
      ⓬
      ⑫
      ⑬
      ⓭
      ⑭
      ⓮
      ⑮
      ⓯
      ⑯
      ⓰
      ⓱
      ⑰
      ⓲
      ⑱
      ⑲
      ⓳
      ❷
      ⓶
      ②
      ➁
      ➋
      ➁
      ⓴
      ⑳
      ㉑
      ㉒
      ㉓
      ㉔
      ㉕
      ㉖
      ㉗
      ㉘
      ㉙
      ➌
      ➂
      ⓷
      ❸
      ③
      ➂
      ㉚
      ㉛
      ㉜
      ㉝
      ㉞
      ㉟
      ㊱
      ㊲
      ㊳
      ㊴
      ➃
      ➍
      ⓸
      ④
      ❹
      ➃
      ㊵
      ㊶
      ㊷
      ㊸
      ㊹
      ㊺
      ㊻
      ㊼
      ㊽
      ㊾
      ⑤
      ⓹
      ➄
      ➄
      ❺
      ➎
      ㊿
      ⑥
      ➅
      ❻
      ➏
      ⓺
      ➅
      ➆
      ⑦
      ➐
      ⓻
      ➆
      ❼
      ⑧
      ➇
      ➇
      ❽
      ⓼
      ➑
      ❾
      ⑨
      ➈
      ⓽
      ➒
      ➈
      ⓐ
      Ⓐ
      ⓑ
      Ⓑ
      ⓒ
      Ⓒ
      ⓓ
      Ⓓ
      ⓔ
      Ⓔ
      ⓕ
      Ⓕ
      ⓖ
      Ⓖ
      ⓗ
      Ⓗ
      ⓘ
      Ⓘ
      ⓙ
      Ⓙ
      ⓚ
      Ⓚ
      ⓛ
      Ⓛ
      ⓜ
      Ⓜ
      ⓝ
      Ⓝ
      ⓞ
      Ⓞ
      ⓟ
      Ⓟ
      ⓠ
      Ⓠ
      ⓡ
      Ⓡ
      ⓢ
      Ⓢ
      ⓣ
      Ⓣ
      ⓤ
      Ⓤ
      ⓥ
      Ⓥ
      ⓦ
      Ⓦ
      ⓧ
      Ⓧ
      ⓨ
      Ⓨ
      ⓩ
      Ⓩ
    )

    # @param raw [String]
    def initialize(raw)
      @raw = raw
    end

    # @note Override
    def to_s
      ENCLOSED_ALPHANUMERICS.inject(@raw) do |result, enclosed_alphanumerics|
        result.gsub(enclosed_alphanumerics) do |matched_string|
          half_size_alphanumerics = ::ActiveSupport::Multibyte::Unicode.normalize(matched_string)
          "(#{half_size_alphanumerics})"
        end
      end
    end
  end
end