#!/usr/bin/env ruby 
#
#Copyright (c) 2009, Perforce Software, Inc.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
# 1.  Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 
# 2.  Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL PERFORCE SOFTWARE, INC. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#*******************************************************************************
#Author: Stephen Moon
#Date: 04/28/2011
#
#Summary: A function which create different permutations of
#         streams string names which comes after a stream depot name 
#
#*******************************************************************************

class Clients

  def initialize(depot,tmplate)

    @sdepot = "//" + depot + "/" 
    @file_read = tmplate 

  end


  def generate_clients

    stream_array = Array.new

    b_index = 32; e_index = 126  #visible characters
    rng_visible_chars = (b_index..e_index)

    #(1..rng_visible_chars.count).each { |n|
    (1..10000).each { |n|

      fread = File.open(@file_read, 'r')
      fwrite = File.open(n.to_s + @file_read, 'w')

      #print "num #{n}:" 
      rng_visible_chars.count.times do  

        c = rand(rng_visible_chars.count) + b_index #has to sum e_index - b_index 

        if stream_array[n] == nil

          stream_array[n] = String.new

	  if c == 37  #percent sign: %

            stream_array[n] << (c.chr + c.chr + '1'.to_s) 

	  elsif c == 46 #period: .

            stream_array[n] << (c.chr + c.chr + c.chr) 

	  elsif c == 42 #asterisk: *

            stream_array[n] << (c.chr + c.chr + c.chr) 

	  else

            stream_array[n] << c.chr 

	  end

        else

	  if c == 37  #percent sign: %

            stream_array[n] << (c.chr + c.chr + '1'.to_s) 

	  elsif c == 46 #period: .

            stream_array[n] << (c.chr + c.chr + c.chr) 

	  elsif c == 42 #asterisk: *

            stream_array[n] << (c.chr + c.chr + c.chr) 

	  else

            stream_array[n] << c.chr 

	  end

        end

      end
      stream_array[n].insert(0,@sdepot)
      #print stream_array[n].inspect
      #print "\n\n\n"


      fread.each_line { |line|

        if /(^Stream:\s)(.+)$/.match(line)

          fwrite.print "Stream: " + stream_array[n] + "\n"

        else

          fwrite.print line

        end

      }
      fread.close

      fwrite.close
      system("p4 stream -i < #{n.to_s + @file_read}")

    }

  end

end


if ARGV.count != 2

  puts "Usage: ruby createSClient.rb <streamDepot> <clientspec_tmplate>"
  puts
  puts "e.g. ruby createSClient.rb Ace sClient.txt"


  exit(1)

end

begin

  #puts "args: #{ARGV[0]}, #{ARGV[1]}"
  nStream = Clients.new(ARGV[0],ARGV[1])
  nStream.generate_clients

rescue => ex
  
  puts "#{ex.class}: #{ex.message}"

end