# -*- ruby -*-
require 'rake/extensiontask'
require 'rspec/core/rake_task'
require 'rubocop/rake_task'

desc 'Run Rubocop to check for style violations'
RuboCop::RakeTask.new

Rake::ExtensionTask.new 'grpc' do |ext|
  ext.lib_dir = File.join('lib', 'grpc')
end

SPEC_SUITES = [
  { id: :wrapper, title: 'wrapper layer', files: %w(spec/*.rb) },
  { id: :idiomatic, title: 'idiomatic layer', dir: %w(spec/generic),
    tags: ['~bidi', '~server'] },
  { id: :bidi, title: 'bidi tests', dir: %w(spec/generic),
    tag: 'bidi' },
  { id: :server, title: 'rpc server thread tests', dir: %w(spec/generic),
    tag: 'server' }
]

desc 'Run all RSpec tests'
namespace :spec do
  namespace :suite do
    SPEC_SUITES.each do |suite|
      desc "Run all specs in #{suite[:title]} spec suite"
      RSpec::Core::RakeTask.new(suite[:id]) do |t|
        spec_files = []
        suite[:files].each { |f| spec_files += Dir[f] } if suite[:files]

        if suite[:dirs]
          suite[:dirs].each { |f| spec_files += Dir["#{f}/**/*_spec.rb"] }
        end

        t.pattern = spec_files
        t.rspec_opts = "--tag #{suite[:tag]}" if suite[:tag]
        if suite[:tags]
          t.rspec_opts = suite[:tags].map { |x| "--tag #{x}" }.join(' ')
        end
      end
    end
  end
end

desc 'Compiles the extension then runs all the tests'
task :all

task default: :all
task 'spec:suite:wrapper' => [:compile, :rubocop]
task 'spec:suite:idiomatic' => 'spec:suite:wrapper'
task 'spec:suite:bidi' => 'spec:suite:wrapper'
task 'spec:suite:server' => 'spec:suite:wrapper'
task all: ['spec:suite:idiomatic', 'spec:suite:bidi', 'spec:suite:server']