# Copyright (c) 2008 Simon Menke
# 
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
# 
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

class Message::Recorder::BranchingMock # :nodoc:
  alias_method :__instance_eval__, :instance_eval
  instance_methods.each { |m| undef_method m unless m =~ /^__/ }
  
  def initialize(recorder, collector)
    @recorder = recorder
    @branched_collectors = []
    @collector_prototype = collector.deep_copy
    @collector = collector.clear
  end
  
  def __branch__(&block)
    __instance_eval__(&block) unless block.nil?
    @branched_collectors.each { |branched_collector| @collector.concat branched_collector }
    Message::Recorder::ChainingMock.new(@recorder, @collector)
  end
  
  def method_missing(m, *args, &block)
    @recorder.filter_before_branch(@collector_prototype)
    branched_collector = @collector_prototype.branch
    @branched_collectors << branched_collector
    @recorder.filter_after_branch(@collector_prototype, branched_collector)
    
    
    message = ::Message::Recorder::Message.new(m, args, block)
    @recorder.filter_before_chain(message)
    branched_collector.record(message)
    @recorder.filter_after_chain(message)
    
    Message::Recorder::ChainingMock.new(@recorder, branched_collector)
  end
end