require 'bundler/gem_tasks'
require 'rake/clean'

require 'rspec/core/rake_task'
RSpec::Core::RakeTask.new

RSpec::Core::RakeTask.new(:rcov) do |task|
  task.rcov = true
end

task :default => %w(compile spec)

require 'rdoc/task'
Rake::RDocTask.new do |rdoc|
  version = File.exist?('VERSION') ? File.read('VERSION') : ""

  rdoc.rdoc_dir = 'rdoc'
  rdoc.title = "cool.io #{version}"
  rdoc.rdoc_files.include('README*')
  rdoc.rdoc_files.include('lib/**/*.rb')
end

require 'rake/extensiontask'

spec = eval(File.read("cool.io.gemspec"))

def configure_cross_compilation(ext)
  unless RUBY_PLATFORM =~ /mswin|mingw/
    ext.cross_compile = true
    ext.cross_platform = ['x86-mingw32', 'x64-mingw32']
  end
end

Rake::ExtensionTask.new('iobuffer_ext', spec) do |ext|
  ext.ext_dir = 'ext/iobuffer'
  configure_cross_compilation(ext)
end

Rake::ExtensionTask.new('cool.io_ext', spec) do |ext|
  ext.ext_dir = 'ext/cool.io'
  configure_cross_compilation(ext)
end

# Note that this rake-compiler-dock rake task dose not support bundle install(1) --path option.
# Please use bundle install instead when you execute this rake task.
namespace :build do
  desc 'Build gems for Windows per rake-compiler-dock'
  task :windows do
    require 'rake_compiler_dock'
    RakeCompilerDock.sh <<-CROSS
      bundle
      rake cross native gem RUBY_CC_VERSION='2.0.0:2.1.6:2.2.2:2.3.0'
    CROSS
  end
end

# adapted from http://flavoriffic.blogspot.com/2009/06/easily-valgrind-gdb-your-ruby-c.html
def specs_command
  require "find"
  files = []
  Find.find("spec") do |f|
    files << f if File.basename(f) =~ /.*spec.*\.rb$/
  end
  cmdline = "#{RUBY} -I.:lib:ext:spec \
               -e '%w[#{files.join(' ')}].each { |f| require f }'"
end

namespace :spec do
  desc "run specs with valgrind"
  task :valgrind => :compile do
    system "valgrind --num-callers=15 \
      --partial-loads-ok=yes --undef-value-errors=no \
      --tool=memcheck --leak-check=yes --track-fds=yes \
      --show-reachable=yes #{specs_command}"
  end
end

CLEAN.include "**/*.rbc", "**/*.o", "**/*.so", "**/*.bundle"
CLEAN.exclude "vendor/**/*.rbc", "vendor/**/*.o", "vendor/**/*.so", "vendor/**/*.bundle"