require 'alephant/publisher/views/base'
require 'mustache'
require 'i18n'

module Alephant::Publisher::Views
  class Html < Mustache
    include Base

    def setup
      @content_type = "text/html"
      load_translations_from base_path
    end

    def locale
      :en
    end

    private

    def load_translations_from(base_path)
      if I18n.load_path.empty?
        I18n.config.enforce_available_locales = false
        I18n.load_path = i18n_load_path_from(base_path)
        I18n.backend.load_translations
      end
    end

    def i18n_load_path_from(base_path)
      Dir[
        File.join(
          Pathname.new(base_path).parent,
          'locale',
          '*.yml')
      ]
      .flatten
      .uniq
    end

    def t(key, params = {})
      I18n.locale = locale
      prefix = /\/([^\/]+)\.mustache/.match(template_file)[1]
      params.merge! :default => key unless params[:default]
      translation = I18n.translate("#{prefix}.#{key}", params)
    end

    def template
      @template_string ||= File.open(template_file).read
    end

    def template_name
      Mustache.underscore(self.class.to_s).split('/').last
    end

    def template_file
      File.join(base_path,'templates',"#{template_name}.#{template_extension}")
    end

  end
end