# Copyright (C) 2011 Cornelius Schumacher <schumacher@kde.org>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

class ManifestHandler

  attr_reader :manifests
  
  def initialize settings
    @settings = settings
  
    @manifests = Array.new
  end

  def manifest name
    read_remote
    @manifests.each do |manifest|
      if manifest["name"] == name
        return manifest
      end
    end
    nil
  end

  def read_remote
    if !@settings.offline
      fetch_remote
    end
  
    Dir.glob( "#{@settings.manifest_path}/*/*.manifest" ).sort.each do |filename|
      File.open filename do |file|
        manifests.push JSON file.read
      end
    end
  end

  def fetch_remote
    if !File.exists? @settings.manifest_path + "/.git"
      if File.exists? @settings.manifest_path
        system "rm -r #{@settings.manifest_path}"
      end
      system "git clone https://github.com/cornelius/inqlude-data.git " +
        "#{@settings.manifest_path}"
    else
      system "cd #{@settings.manifest_path}; git pull"
    end
  end

end