# GOV.UK Mini Environment Admin
# Copyright © 2018  Christopher Baines <mail@cbaines.net>
#
# This file is part of the GOV.UK Mini Environment Admin.
#
# The GOV.UK Mini Environment Admin is free software: you can
# redistribute it and/or modify it under the terms of the GNU Affero
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later
# version.
#
# The GOV.UK Mini Environment Admin is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with the GOV.UK Mini Environment Admin.  If not, see
# <http://www.gnu.org/licenses/>.

require 'open3'

class GovukGuix::Job < Que::Job
  def run_command(*command)
    logger.debug("#{self.class}: Running command #{command.join(' ')}")

    Open3.popen2e(*command) do |_stdin, stdout_and_stderr, wait_thr|
      logger.info("#{self.class}: commmand running, pid #{wait_thr.pid}")

      output = []
      stdout_and_stderr.each_line do |line|
        logger.debug(self.class) { line.chomp }
        output << line
      end

      exit_status = wait_thr.value
      unless exit_status == 0
        logger.error(self.class) { "failed, exit status #{exit_status}" }

        raise "Running #{command.join(' ')} failed:\n\n#{output.join}\n"
      end

      output
    end
  end

  def hash_to_arguments(hash)
    hash.map do |(key, value)|
      transformed_key = key.tr('_', '-')

      if value == true
        "--#{transformed_key}"
      elsif value.include? ' '
        "--#{transformed_key}='#{value}'"
      else
        "--#{transformed_key}=#{value}"
      end
    end
  end
end