require "BuildUtils.rb"
require "fileutils"
include FileTest
require 'rubygems'
gem 'rubyzip'
require 'zip/zip'
require 'zip/zipfilesystem'

#building stuff
COMPILE_TARGET = "debug"
CLR_VERSION = "v3.5"
SOLUTION = "src/CoreLib.sln"
MAIN_PROJECT = "CoreLib"

# versioning stuff
BUILD_NUMBER = "0.1.0."
PRODUCT = "CoreLib"
COPYRIGHT = "Copyright © 2009 Jon Fuller"
COMPANY = "Jon Fuller"
COMMON_ASSEMBLY_INFO = "src/CommonAssemblyInfo.cs"

desc "Compiles, tests"
task :all => [:default]

desc "Compiles, tests"
task :default => [:compile, :unit_test, :package]

desc "Update the version information for the build"
task :version do
  builder = AsmInfoBuilder.new BUILD_NUMBER,
    :product   => PRODUCT,
    :copyright => COPYRIGHT,
    :company   => COMPANY
  builder.write COMMON_ASSEMBLY_INFO  
end

desc "Prepares the working directory for a new build"
task :clean do
  rm_rf(output_dir)
  Dir.mkdir output_dir unless exists?(output_dir)
  MSBuildRunner.clean :solutionfile => SOLUTION
  ["src/**/bin", "src/**/obj"].each do |dir|
    Dir.glob(dir).each { |d| rm_rf d }
  end
end

desc "Compiles the app"
task :compile => [:clean, :version] do
  MSBuildRunner.compile :compilemode  => COMPILE_TARGET,
    :solutionfile => SOLUTION,
    :clrversion   => CLR_VERSION
end

desc "Runs unit tests"
task :unit_test => :compile do
  runner = NUnitRunner.new :compilemode => COMPILE_TARGET,
    :source       => 'src',
    :tools        => 'tools',
    :results_file => File.join(output_dir, "nunit.xml")
  runner.executeTests Dir.glob("src/*Test*").map { |proj| proj.split('/').last }
end

desc "Displays a list of tasks"
task :help do
  taskHash = Hash[*(`rake.cmd -T`.split(/\n/).collect { |l| l.match(/rake (\S+)\s+\#\s(.+)/).to_a }.collect { |l| [l[1], l[2]] }).flatten] 
 
  indent = "                          "
  
  puts "rake #{indent}#Runs the 'default' task"
  
  taskHash.each_pair do |key, value|
    if key.nil?  
      next
    end
    puts "rake #{key}#{indent.slice(0, indent.length - key.length)}##{value}"
  end
end

desc "Packages the binaries into a zip"
task :package => :compile do
  source_files = Dir.glob("src/#{MAIN_PROJECT}/bin/#{COMPILE_TARGET}/**/*")
  dest_files = source_files.map{ |f| f.sub("src/#{MAIN_PROJECT}/bin/#{COMPILE_TARGET}/", "#{MAIN_PROJECT}/")}
  Zip::ZipFile.open(File.join(output_dir, "#{MAIN_PROJECT}.zip"), 'w') do |zipfile|
    0.upto(source_files.size-1) do |i|
        puts "Zipping #{source_files[i]} to #{dest_files[i]}"
        zipfile.add(dest_files[i], source_files[i])
    end
  end
end

def output_dir
  if ENV.keys.include?('CC_BUILD_ARTIFACTS')
    return ENV['CC_BUILD_ARTIFACTS']
  else
    return 'results'
  end
end