get '/?' do
  if current_site
    require_login

    redirect '/dashboard' if current_site.is_education

    @suggestions = current_site.suggestions

    @page = params[:page].to_i
    @page = 1 if @page == 0

    if params[:activity] == 'mine'
      events_dataset = current_site.latest_events(@page, 10)
    elsif params[:event_id]
      event = Event.select(:id).where(id: params[:event_id]).first
      not_found if event.nil?
      not_found if event.is_deleted
      events_dataset = Event.where(id: params[:event_id]).paginate(1, 1)
    elsif params[:activity] == 'global'
      events_dataset = Event.global_dataset @page
    else
      events_dataset = current_site.news_feed(@page, 10)
    end

    @pagination_dataset = events_dataset
    @events = events_dataset.all

    current_site.events_dataset.update notification_seen: true

    halt erb :'home', locals: {site: current_site}
  end

  if SimpleCache.expired?(:sites_count)
    @sites_count = SimpleCache.store :sites_count, Site.count.roundup(100), 10.minutes
  else
    @sites_count = SimpleCache.get :sites_count
  end

  if SimpleCache.expired?(:blog_feed_html)
    @blog_feed_html = ''

    begin
      xml = HTTP.timeout(read: 2, write: 2, connect: 2).get('https://blog.neocities.org/feed.xml').to_s
      feed = Feedjira::Feed.parse xml
      feed.entries[0..2].each do |entry|
        @blog_feed_html += %{<a href="#{entry.url}">#{entry.title.split('.').first}</a> <span style="float: right">#{entry.published.strftime('%b %-d, %Y')}</span><br>}
      end
    rescue
      @blog_feed_html = 'The latest news on Neocities can be found on our blog.'
    end

    @blog_feed_html = SimpleCache.store :blog_feed_html, @blog_feed_html, 8.hours
  else
    @blog_feed_html = SimpleCache.get :blog_feed_html
  end

  if params[:trumpplan]
    flash[:is_trump_plan] = true
  end

  erb :index, layout: :index_layout
end

def trump_plan_eligible?
  trumpplan_path = File.join 'files', 'trumpplan.txt'

  ranges = []

  if File.exist? trumpplan_path
    parsed_ip = IPAddress.parse request.ip
    return false if parsed_ip.ipv6? # NOT EXCLUSIVE ENOUGH

    File.readlines(trumpplan_path).each do |range|
      ranges << IPAddress.parse(range.strip)
    end

    matched_ip = false
    ranges.each do |range|
      if range.include? parsed_ip
        matched_ip =  true
      end
    end
    return matched_ip
  end
  false
end

get '/welcome' do
  if params[:trumpplan] || flash[:is_trump_plan] || trump_plan_eligible?
    @is_trump_plan = true
  end

  require_login
  redirect '/' if current_site.supporter?
  erb :'welcome', locals: {site: current_site}
end

get '/education' do
  redirect '/' if signed_in?
  erb :education, layout: :index_layout
end

get '/donate' do
  erb :'donate'
end

get '/about' do
  erb :'about'
end

get '/terms' do
  erb :'terms'
end

get '/privacy' do
  erb :'privacy'
end

get '/press' do
  erb :'press'
end

get '/legal/?' do
  @title = 'Legal Guide to Neocities'
  erb :'legal'
end

get '/permanent-web' do
  erb :'permanent_web'
end

get '/thankyou' do
  erb :'thankyou'
end

get '/forgot_username' do
  erb :'forgot_username'
end

post '/forgot_username' do
  if params[:email].blank?
    flash[:error] = 'Cannot use an empty email address!'
    redirect '/forgot_username'
  end

  sites = Site.where(email: params[:email]).all

  sites.each do |site|
    body = <<-EOT
Hello! This is the Neocities cat, and I have received a username lookup request using this email address.

Your username is #{site.username}

If you didn't request this, you can ignore it. Or hide under a bed. Or take a nap. Your call.

Meow,
the Neocities Cat
    EOT

    body.strip!

    EmailWorker.perform_async({
      from: 'web@neocities.org',
      to: params[:email],
      subject: '[Neocities] Username lookup',
      body: body
    })

  end

  flash[:success] = 'If your email was valid, the Neocities Cat will send an e-mail with your username in it.'
  redirect '/'
end