require 'roda'
require 'securerandom'
require 'json'
require 'sequel'
require 'logger'

class App < Roda
  DB = Sequel.sqlite('db/url_shortener.db')
  links = DB[:links]
  plugin :render, escape: true
  route do |r|
    r.root do
      view :home
    end

    r.get String do | url_code |
      link = links.filter(:code => url_code).first[:url]
      r.redirect link
    end

    r.post "create" do
      url = r.params['url']
      code = SecureRandom.urlsafe_base64 4
      links.insert(url: url, code: code) 
      @new_link = 'http://' + request.env['HTTP_HOST'] + '/' + links.filter(:url => url).first[:code]
      view :create   
    end
  end
end