#
# Nukumi2 -- a flexible Ruby blogging system
# Copyright (C) 2004, 2005  Christian Neukirchen <chneukirchen@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# Written by Christian Neukirchen <http://purl.org/net/chneukirchen>.
#


# Add vendor libraries to load path.
$: << File.join(File.dirname(__FILE__), "nukumi2", "vendor")

require 'dissident'

require 'topical'
require 'yaml'
require 'ostruct'

require 'nukumi2/view'
require 'nukumi2/page'
require 'nukumi2/filebackend'
require 'nukumi2/entry'

require 'nukumi2/topictree-extensions'

require 'nukumi2/config-parser'
require 'nukumi2/plugin'

require 'nukumi2/default-registry'


module Nukumi2

VERSION = "0.5"

class Blog
  attr_reader :categories
  attr_reader :hidden

  inject :all_backends
  inject :topictree
  inject :config
  inject :page

  inject :registry
  inject :config
  inject :topictree
  inject :default_flavor

  def initialize
  end

  def get_entries
    @entries = all_backends.map { |b| b.get }.flatten.uniq
  end

  def get_config
    @categories = config.get_topics
  end

  def get_categories
    @publishable = {}
    @hidden = []

    config.get_topics.each { |topic, options|
      if options.title && topic !~ /\*/
        topictree.create(topic, options.title, options.description)
      end

      if options.view
        @publishable[topic] = View.const_get(options.view)
      end

      @hidden << topic  if options.hidden == true
    }
  end

  def load!
    get_config
    get_categories
    get_entries
    insert_entries
  end

  def reload!
    topictree.clear!
    load!
  end

  def insert_entries
    @entries.each { |entry|
      entry.insert_into_topictree topictree
    }
  end

  def fetch(path)
    flavor = default_flavor

    path.gsub!(/\/index\b/, '/')
    path = path.gsub(/\.(.*?)$/) { flavor = $1; '' }

    find_view(path).new(registry, path).to_page(flavor)
  end

  def find_view(path)
    path = path + "/"  if path[-1] != ?/

    best_topic = topictree.find_most_specific path, @publishable.keys

    raise NotFound  unless best_topic
    @publishable[best_topic]
  end

  class NotFound < StandardError; end
end


end