class Gitcycle
  module Branch

    def branch(*args)
      url = args.detect { |arg| arg =~ /^https?:\/\// }
      title = args.detect { |arg| arg =~ /\s/ }

      exec_git(:branch, args) unless url || title

      require_git && require_config

      params = {
        'branch[source]' => branches(:current => true)
      }

      if url && url.include?('lighthouseapp.com/')
        params.merge!('branch[lighthouse_url]' => url)
      elsif url && url.include?('github.com/')
        params.merge!('branch[issue_url]' => url)
      elsif url
        puts "Gitcycle only supports Lighthouse or Github Issue URLs.".red
        exit ERROR[:unrecognized_url]
      elsif title
        params.merge!(
          'branch[name]' => title,
          'branch[title]' => title
        )
      else
        exec_git(:branch, args)
      end

      unless yes?("\nYour work will eventually merge into '#{params['branch[source]']}'. Is this correct?")
        params['branch[source]'] = q("What branch would you like to eventually merge into?")
      end

      source = params['branch[source]']

      puts "\nRetrieving branch information from gitcycle.\n".green
      branch = get('branch', params)
      name = branch['name']

      begin
        owner, repo = branch['repo'].split(':')
        branch['home'] ||= @git_login

        unless yes?("Would you like to name your branch '#{name}'?")
          name = q("\nWhat would you like to name your branch?")
          name = name.gsub(/[\s\W]/, '-')
        end

        checkout_remote_branch(
          :owner => owner,
          :repo => repo,
          :branch => branch['source'],
          :target => name
        )

        puts "Sending branch information to gitcycle.".green
        get('branch',
            'branch[home]' => branch['home'],
            'branch[name]' => branch['name'],
            'branch[rename]' => name != branch['name'] ? name : nil,
            'branch[source]' => branch['source']
        )
      rescue SystemExit, Interrupt
        puts "\nDeleting branch from gitcycle.\n".green
        get('branch',
          'branch[name]' => branch['name'],
          'create' => 0,
          'reset' => 1
        )
      end

      puts "\n"
    end
  end
end