require 'thor/group'

module Baldwin
  class Installer < Thor::Group
    include Thor::Actions

    def ignore_dummy_rails_apps
      append_to_file '.gitignore', <<-EOS
spec/rails/rails-*
EOS
    end

    def create_appraisals_file
      create_file 'Appraisals', <<-EOS
# add your rails configurations to test against here, like:
#
#   appraise 'rails-3.1.0' do
#     gem 'rails', '3.1.0'
#   end
#   appraise 'rails-3.2.0' do
#     gem 'rails', '3.2.0'
#   end
#
# see https://github.com/thoughtbot/appraisal for more info
EOS
    end

    def add_appraisal_rake_task
      # TODO figure out why this isn't in Thor 0.15 +
      # TODO also, ask those guys why they haven't
      # updated their version.rb in two years. wtf.
      # comment_lines 'Rakefile', /RSpec::Core::RakeTask/
      flag = 'RSpec::Core::RakeTask.new'
      gsub_file 'Rakefile', /^(\s*)([^#|\n]*#{flag})/, '\1# \2'

      append_to_file 'Rakefile', <<-EOS
RSpec::Core::RakeTask.new :spec => [ :'baldwin:env', :'baldwin:rails' ]

desc "Run specs for all supported rails versions"
task :all do
  exec 'rake appraisal spec'
end

desc "Default: Clean, install dependencies, and run specs"
task :default => [ :'baldwin:clean', :'appraisal:install', :all ]
EOS
    end

    def add_baldwin_setup_to_spec_helper
      prepend_to_file 'spec/spec_helper.rb', <<-EOS
require 'baldwin/setup'
# require test dependencies *after* baldwin/setup
EOS
    end

    def copy_example_rails_template
      copy_file 'rails_template.rb', 'spec/rails/rails_template.rb'
    end

    def self.source_root
      File.dirname __FILE__
    end
  end
end