module FawIcon

# File lib/faw_icon/configuration.rb, line 8
def self.configure
  self.configuration ||= Configuration.new
  yield(configuration)
end

# File lib/faw_icon/helper.rb, line 62
def by_js(html_props)
  doc = REXML::Document.new('<i>&nbsp;</i>')

  fa_tag(doc.root, html_props)
end

# File lib/faw_icon/helper.rb, line 33
def by_json(style, name, html_props)
  icons = JSON.parse(File.read(FawIcon.configuration.icons_path))

  if icons[name].present? && icons[name]['svg'][style].present?
    doc = REXML::Document.new(icons[name]['svg'][style]['raw'])
    svg = doc.root
  end

  fa_tag(svg, html_props)
end

# File lib/faw_icon/helper.rb, line 44
def by_raw(style, name, html_props)
  if File.exists? Rails.root.join(FawIcon.configuration.raw_svg_path, style, "#{name}.svg")
    doc = File.open(Rails.root.join(FawIcon.configuration.raw_svg_path, style, "#{name}.svg")) { |f| REXML::Document.new(f) }
    svg = doc.root
  end

  fa_tag(svg, html_props)
end

# File lib/faw_icon/helper.rb, line 53
def by_sprite(style, name, html_props)
  if File.exists? Rails.root.join(FawIcon.configuration.svg_sprites_path, "fa-#{style}.svg")
    doc = REXML::Document.new("<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\"><use href=\"/fa5/svg-sprites/fa-#{style}.svg##{name}\"></use></svg>")
    svg = doc.root
  end

  fa_tag(svg, html_props)
end

# File lib/faw_icon/helper.rb, line 79
def fa_style(style)
  case style
    when 'solid'
      'fas'
    when 'regular'
      'far'
    when 'light'
      'fal'
    when 'brands'
      'fab'
    when 'duotone'
      'fad'
  end
end

# File lib/faw_icon/helper.rb, line 68
def fa_tag(svg = nil, html_props)
  svg = svg_not_found if svg.nil?

  svg.attributes['class'] = html_props[:class].join(' ')
  svg.attributes['data-fa-transform'] = html_props[:transform] if html_props[:transform]
  svg.attributes['data-fa-mask'] = html_props[:mask] if html_props[:mask]
  svg.attributes['data-source-type'] = html_props[:source_type] if html_props[:source_type]

  svg.to_s.html_safe
end

# File lib/faw_icon/helper.rb, line 6
def faw_icon(style, name, options = {})
  html_props = {}
  style = 'brands' if style == 'brand'
  fa_prefix = FawIcon.configuration.default_family_prefix

  html_props[:class] = [fa_style(style), "#{fa_prefix}-#{name}"]
  html_props[:class] << FawIcon.configuration.default_replacement_class unless FawIcon.configuration.source_type == 'js'
  html_props[:class] << "#{fa_prefix}-#{options[:size]}" if options[:size]
  html_props[:class] << "#{fa_prefix}-fw" if options[:fixed_width]
  html_props[:class] << "#{fa_prefix}-spin" if options[:spin]
  html_props[:class] << options[:extra_class] if options[:extra_class]
  html_props[:transform] = options[:transform] if options[:transform]
  html_props[:mask] = options[:mask] if options[:mask]
  html_props[:source_type] = FawIcon.configuration.source_type

  case FawIcon.configuration.source_type
    when 'json'
      by_json(style, name, html_props)
    when 'raw'
      by_raw(style, name, html_props)
    when 'sprite'
      by_sprite(style, name, html_props)
    when 'js'
      by_js(html_props)
  end
end

# File lib/faw_icon/helper.rb, line 94
def svg_not_found
  doc = REXML::Document.new(FawIcon.configuration.icon_not_found)

  doc.root
end