module Gemojione

# File lib/gemojione.rb, line 20
def self.asset_host
  @asset_host || 'http://localhost:3000'
end

# File lib/gemojione.rb, line 24
def self.asset_host=(host)
  @asset_host = host
end

# File lib/gemojione.rb, line 28
def self.asset_path
  @asset_path || '/'
end

# File lib/gemojione.rb, line 32
def self.asset_path=(path)
  @asset_path = path
end

# File lib/gemojione.rb, line 69
def self.escape_html(string)
  @escaper.escape_html(string)
end

# File lib/gemojione.rb, line 36
def self.image_url_for_name(name)
  emoji = index.find_by_name(name)
  "#{asset_host}#{ File.join(asset_path, emoji['unicode']) }.png"
end

# File lib/gemojione.rb, line 41
def self.image_url_for_unicode_moji(moji)
  emoji = index.find_by_moji(moji)
  image_url_for_name(emoji['name'])
end

# File lib/gemojione.rb, line 73
def self.index
  @index ||= Index.new
end

# File lib/gemojione.rb, line 46
def self.replace_unicode_moji_with_images(string)
  return string unless string
  unless string.match(index.unicode_moji_regex)
    return safe_string(string)
  end

  safe_string = safe_string(string.dup)
  safe_string.gsub!(index.unicode_moji_regex) do |moji|
    %Q{<img alt="#{moji}" class="emoji" src="#{ image_url_for_unicode_moji(moji) }">}
  end
  safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe)

  safe_string
end

# File lib/gemojione.rb, line 61
def self.safe_string(string)
  if string.respond_to?(:html_safe?) && string.html_safe?
    string
  else
    escape_html(string)
  end
end