#!/usr/bin/env ruby
#
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

require 'bundler'
require 'json'

DEFAULT_GROUPS  = [:opf_plugins]
DEFAULT_GEMFILE = File.expand_path('../../Gemfile', __FILE__)

def plugin_names(gemfile = DEFAULT_GEMFILE)
  bundler_groups = ENV['BUNDLER_GROUPS']
  groups = bundler_groups.split(',').each_with_object([]) { |group, l| l << group.to_sym } if bundler_groups
  groups = DEFAULT_GROUPS if groups.nil?

  gems = Bundler::Dsl.evaluate(gemfile, 'foo', true)

  gems.dependencies.each_with_object({}) do |dep, l|
    l[dep.name] = dep.inspect if (groups & dep.groups).any?
  end
end

def plugin_name_paths
  op_dep = plugin_names

  Bundler.load.specs.each_with_object({}) do |spec, h|
    if op_dep.include?(spec.name)
      options = spec.source.options
      h[spec.name] = spec.full_gem_path
    end
  end
end

puts JSON.generate(plugin_name_paths)