namespace :hook do
  desc "Inserting hook to all repos"
  task :install => :environment do
    is_production = ENV['RAILS_ENV'] == 'production'
    say "Generate temporary file..."
    hook = File.join(::Rails.root.to_s, 'tmp', "post-receive-hook")
    FileUtils.cp(File.join(::Rails.root.to_s, 'bin', "post-receive-hook.partial"), hook)
    File.open(hook, 'a') do |f|      
      s = "\n  /bin/bash -l -c \"cd #{is_production ? '/srv/rosa_build/current' : Rails.root.to_s} && #{is_production ? 'RAILS_ENV=production' : ''} bundle exec rake hook:enqueue[$owner,$reponame,$newrev,$oldrev,$ref,$newrev_type,$oldrev_type]\""
      s << " > /dev/null 2>&1" if is_production
      s << "\ndone\n"
      f.write(s)
      f.chmod(0755)
    end

    say "Install process.."
    count = 0
    projects = ENV['project_id'] ? Project.where(:id => eval(ENV['project_id'])) : Project
    projects.where('created_at >= ?', Time.now.ago(ENV['period'] ? eval(ENV['period']) : 100.years)).each do |project|
      hook_file = File.join(project.path, 'hooks', 'post-receive')
      begin
        FileUtils.copy_entry(hook, hook_file, false, false, true)
        count = count + 1
      rescue Exception => e
        say "----\nCatching exception with project #{project.id}"
        say e.message
        say '----'
      end
    end
    say "Writing to #{count.to_s} repo(s)"
    say "Removing temporary file"
    FileUtils.rm_rf(hook)
  end

  desc 'Enqueue hook process'
  task :enqueue, :owner, :reponame, :newrev, :oldrev, :ref, :newrev_type, :oldrev_type do |t, args|
    # require 'resque'
    require './app/models/git_hook'
    PerformLater.config.enabled = true unless Rails.env.test?
    GitHook.perform_later!(:hook, :process, *args.to_hash.values)
  end

  desc "remove git hook from all repos"
  task :remove => :environment do
    say "process.."
    count = 0
    projects = ENV['project_id'] ? Project.where(:id => eval(ENV['project_id'])) : Project
    projects.where('created_at >= ?', Time.now.ago(ENV['period'] ? eval(ENV['period']) : 100.years)).each do |project|
      FileUtils.rm_rf File.join(project.path, 'hooks', 'post-receive')
      count = count + 1
    end
    say "Done! Removing from #{count.to_s} repo(s)"
  end
end