begin
  require 'simplecov'
rescue LoadError
end

require 'bundler/gem_tasks'

begin
  require 'rubocop'
  require 'rubocop/rake_task'
rescue LoadError
else
  Rake::Task[:rubocop].clear if Rake::Task.task_defined?(:rubocop)
  require 'rbconfig'
  # https://github.com/bundler/bundler/blob/1b3eb2465a/lib/bundler/constants.rb#L2
  windows_platforms = /(msdos|mswin|djgpp|mingw)/
  if RbConfig::CONFIG['host_os'] =~ windows_platforms
    desc 'No-op rubocop on Windows-- unsupported platform'
    task :rubocop do
      puts 'Skipping rubocop on Windows'
    end
  elsif defined?(::Rubinius)
    desc 'No-op rubocop to avoid rbx segfault'
    task :rubocop do
      puts 'Skipping rubocop on rbx due to segfault'
      puts 'https://github.com/rubinius/rubinius/issues/3499'
    end
  else
    Rake::Task[:rubocop].clear if Rake::Task.task_defined?(:rubocop)
    desc 'Execute rubocop'
    RuboCop::RakeTask.new(:rubocop) do |task|
      task.options = ['--rails', '--display-cop-names', '--display-style-guide']
      task.fail_on_error = true
    end
  end
end

require 'rake/testtask'

Rake::TestTask.new do |t|
  t.libs << 'test'
  t.test_files = FileList['test/**/*_test.rb']
  t.ruby_opts = ['-r./test/test_helper.rb']
  t.verbose = true
end

desc 'Run isolated tests'
task isolated: ['test:isolated:railtie']
namespace :test do
  namespace :isolated do
    desc 'Run isolated tests for Railtie'
    task :railtie do
      dir = File.dirname(__FILE__)
      file = "#{dir}/test/active_model_serializers/railtie_test_isolated.rb"

      # https://github.com/rails/rails/blob/3d590add45/railties/lib/rails/generators/app_base.rb#L345-L363
      _bundle_command = Gem.bin_path('bundler', 'bundle')
      require 'bundler'
      Bundler.with_clean_env do
        command = "-w -I#{dir}/lib -I#{dir}/test #{file}"
        full_command = %("#{Gem.ruby}" #{command})
        system(full_command) or fail 'Failures' # rubocop:disable Style/AndOr
      end
    end
  end
end

if ENV['RAILS_VERSION'].to_s > '4.0' && RUBY_ENGINE == 'ruby'
  task default: [:isolated, :test, :rubocop]
else
  task default: [:test, :rubocop]
end

desc 'CI test task'
task :ci => [:default]