module Gemojione

# File lib/gemojione.rb, line 24
def self.asset_host
  @asset_host || 'http://localhost:3000'
end

# File lib/gemojione.rb, line 28
def self.asset_host=(host)
  @asset_host = host
end

# File lib/gemojione.rb, line 32
def self.asset_path
  @asset_path || '/'
end

# File lib/gemojione.rb, line 36
def self.asset_path=(path)
  @asset_path = path
end

# File lib/gemojione.rb, line 40
def self.default_size
  @default_size
end

# File lib/gemojione.rb, line 44
def self.default_size=(size)
  @default_size = size
end

# File lib/gemojione.rb, line 142
def self.escape_html(string)
  @escaper.escape_html(string)
end

# File lib/gemojione.rb, line 74
def self.image_tag_for_moji(moji)
  if use_sprite
    emoji = index.find_by_moji(moji)
    %Q{<span class="emojione emojione-#{emoji['unicode'].to_s.downcase}" alt="#{ moji }" title="#{ moji }">#{ moji }</span>}
  else
    %Q{<img alt="#{moji}" class="emoji" src="#{ image_url_for_unicode_moji(moji) }"#{ default_size ? ' style="width: '+default_size+';"' : '' }>}
  end
end

# File lib/gemojione.rb, line 64
def self.image_url_for_name(name)
  emoji = index.find_by_name(name)
  "#{asset_host}#{ File.join(asset_path, emoji['unicode']) }.#{ use_svg ? 'svg' : 'png' }"
end

# File lib/gemojione.rb, line 69
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 150
def self.images_path
  File.expand_path("../assets/#{ use_svg ? 'svg' : 'png' }", File.dirname(__FILE__))
end

# File lib/gemojione.rb, line 146
def self.index
  @index ||= Index.new
end

# File lib/gemojione.rb, line 115
def self.replace_ascii_moji_with_images(string)
  return string unless string
  unless string.match(index.ascii_moji_regex)
    return safe_string(string)
  end

  string.gsub!(index.ascii_moji_regex) do |code|
    moji = index.find_by_ascii(code)['moji']
    Gemojione.image_tag_for_moji(moji)
  end

  unless string.respond_to?(:html_safe?) && string.html_safe?
    safe_string = CGI::unescapeElement(CGI.escape_html(string), %w[span img])
  end
  safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe)

  safe_string
end

# File lib/gemojione.rb, line 98
def self.replace_named_moji_with_images(string)
  return string unless string
  unless string.match(index.shortname_moji_regex)
    return safe_string(string)
  end

  safe_string = safe_string(string.dup)
  safe_string.gsub!(index.shortname_moji_regex) do |code|
    name = code.tr(':','')
    moji = index.find_by_name(name)['moji']
    Gemojione.image_tag_for_moji(moji)
  end
  safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe)

  safe_string
end

# File lib/gemojione.rb, line 83
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|
    Gemojione.image_tag_for_moji(moji)
  end
  safe_string = safe_string.html_safe if safe_string.respond_to?(:html_safe)

  safe_string
end

# File lib/gemojione.rb, line 134
def self.safe_string(string)
  if string.respond_to?(:html_safe?) && string.html_safe?
    string
  else
    escape_html(string)
  end
end

# File lib/gemojione.rb, line 154
def self.sprites_path
  File.expand_path("../assets/sprites", File.dirname(__FILE__))
end

# File lib/gemojione.rb, line 56
def self.use_sprite
  @use_sprite
end

# File lib/gemojione.rb, line 60
def self.use_sprite=(useit)
  @use_sprite = useit
end

# File lib/gemojione.rb, line 48
def self.use_svg
  @use_svg
end

# File lib/gemojione.rb, line 52
def self.use_svg=(useit)
  @use_svg = useit
end