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require "../handler"

class Guff::Handlers::BlogHandler < Guff::Handler
  ROUTES = [{
    list: false,
    blog: true,
    re: %r{
      ^/

      # match YYYY/MM/DD/SLUG.html
      (?<year>\d{4})
      /
      (?<month>\d{2})
      /
      (?<day>\d{2})
      /
      (?<slug>[a-z0-9._-]+)
      \.html

      $
    }x,
  }, {
    list: true,
    blog: true,
    re: %r{
      ^/

      # match YYYY/MM/DD
      (?<year>\d{4})
      /
      (?<month>\d{2})
      /
      (?<day>\d{2})
      /?

      $
    }x,
  }, {
    list: true,
    blog: true,
    re: %r{
      ^/

      # match YYYY/MM
      (?<year>\d{4})
      /
      (?<month>\d{2})
      /?

      $
    }x,
  }, {
    list: true,
    blog: true,
    re: %r{
      ^/

      # match YYYY
      (?<year>\d{4})
      /?

      $
    }x,
  }, {
    list: false,
    blog: false,
    re: %r{
      ^/

      # match slug
      (?<slug>[a-z0-9._-]+)
      \.html

      $
    }x,
  }, {
    list: true,
    blog: true,
    re: %r{
      # match index
      ^/$
    }x,
  }]

  def call(context : HTTP::Server::Context)
    path = context.request.path || ""

    call_next(context) unless ROUTES.reduce(false) do |matched, route|
      unless matched
        if md = (route[:re] as Regex).match(path)
          # matched route
          matched = true

          context.response.puts "blog: route = %s, md = %s" % [
            route.to_s,
            md.to_s
          ]
        end
      end

      matched
    end
  end
end