module RailsEmojiPicker

# File lib/helper/emoji_helper.rb, line 4
def content_with_emoji(text)
  find_emoji(text)
end

# File lib/helper/emoji_helper.rb, line 81
def emoji_map
  RailsEmojiPicker::EmojiMap
end

# File lib/helper/emoji_helper.rb, line 85
def exceptions_emoji(emoji)
  RailsEmojiPicker::EmojiExceptions.call(emoji)
end

# File lib/helper/emoji_helper.rb, line 10
def find_emoji(text)
  string  = replace_unicode_moji_with_images(text) || text
  emoji   = string.scan(regex)
  unicodes = []
  index = RailsEmojiPicker::EmojiMap.new

  emoji.each do |e|
    next if e.empty?
    tmp_emoji = e.join('')
    moji = index.find_by_moji(tmp_emoji)

    if moji
      flags = exceptions_emoji(tmp_emoji)
      if flags.empty?
        name = moji[0] if moji[0]
        char = moji[1]['char'] if moji[1]['char']
        hash_emoji = { name: name, char: char }
      else
        hash_emoji = flags
      end
    else
      hash_emoji = exceptions_emoji(tmp_emoji)
    end

    unicodes << hash_emoji
  end

  unicodes.each do |hash|
    next if hash.nil?
    hash.reject! { |i| i.nil? }

    insert_image_to_image_tag(string, hash) if hash[:char]
  end

  string.respond_to?(:html_safe) ? string.html_safe : string
end

# File lib/helper/emoji_helper.rb, line 62
def insert_image_to_image_tag(string, img)
  return stanadrt_replace(string, img) unless defined? Rails

  if Rails.env.development?
    stanadrt_replace(string, img)
  elsif Rails.env.production?
    url = image_tag("emoji/#{img[:name]}.png")[/img.*?src="(.*?)"/i, 1]
    string.gsub!(img[:char], url)
  end
end

# File lib/helper/emoji_helper.rb, line 77
def regex
  RailsEmojiPicker::EmojiRegex.regex
end

# File lib/helper/emoji_helper.rb, line 47
def replace_unicode_moji_with_images(string)
  index = RailsEmojiPicker::EmojiMap.new

  string.gsub!(regex) do |moji|
    if moji.size < 2 && index.find_by_moji(moji)
      alt = index.find_by_moji(moji)[0]
    else
      tmp = exceptions_emoji(moji)
      alt = tmp[:name] if tmp.key?(:name)
    end

    %(<span class='emoji-image'><img alt='#{alt}' class="emoji" src="#{moji}"></span>)
  end
end

# File lib/helper/emoji_helper.rb, line 73
def stanadrt_replace(string, img)
  string.gsub!(img[:char], "#{Emoji.asset_host}#{Emoji.asset_path}/#{img[:name]}.png")
end