require 'sinatra/base'
require 'sinatra/json'
require 'sinatra/reloader'
require 'tilt/haml'

module TogoStanza
  class Application < Sinatra::Base
    set :root,       File.expand_path('../../..', __FILE__)
    set :haml,       escape_html: true
    set :protection, except: [:json_csrf, :frame_options]

    configure :development do
      register Sinatra::Reloader
    end

    helpers do
      def path(*paths)
        prefix = env['SCRIPT_NAME']

        [prefix, *paths].join('/').squeeze('/')
      end
    end

    before do
      @server_url = request.url.gsub(request.path_info, '')
    end

    get '/' do
      haml :index
    end

    get '/metadata.json' do
      metadata = {
        "@context" => {
          stanza: "http://togostanza.org/resource/stanza#"
        },
        "stanza:stanzas" => Stanza.all.map {|stanza| stanza.new.metadata(@server_url) }.compact
      }

      json metadata
    end

    get '/:id.json' do |id|
      json Stanza.find(id).new(params).context
    end

    get '/:id' do |id|
      Stanza.find(id).new(params).render
    end

    get '/:id/resources/:resource_id' do |id, resource_id|
      value = Stanza.find(id).new(params).resource(resource_id)

      json resource_id => value
    end

    get '/:id/help' do |id|
      stanza = Stanza.find(id).new

      haml :help, locals: {stanza: stanza.metadata(@server_url)}
    end

    get '/:id/metadata.json' do |id|
      @stanza = Stanza.find(id).new

      json @stanza.metadata(@server_url)
    end
  end
end