module CocoapodsCatalystSupport

# File lib/cocoapods-catalyst-support/command_helpers.rb, line 51
def configure_podfile
  podfile = File.read('Podfile')

  unless podfile.include? "require 'cocoapods-catalyst-support'" 
    podfile = "require 'cocoapods-catalyst-support'\n\n" + podfile
  end

  config = ''
  unless podfile.match(/catalyst_configuration\s+do/)
    config += "\n# Configure your macCatalyst dependencies\n"
    config += "catalyst_configuration do\n"
    config += "\t# Uncomment the next line for a verbose output\n\t# verbose!\n\n"
    config += "\t# ios '<pod_name>' # This dependency will only be available for iOS\n"
    config += "\t# macos '<pod_name>' # This dependency will only be available for macOS\nend\n"
  end

  is_catalyst_configured = podfile.match(/post_install[\S\s]+installer[\S\s]configure_catalyst/)
  changed = !(is_catalyst_configured && config.empty?)
  unless podfile.match /post_install\s+do/
    podfile += config
    podfile += "\n# Configure your macCatalyst App\npost_install do |installer|\n\tinstaller.configure_catalyst\nend\n"
  else 
    configure_line = (podfile.include? 'configure_catalyst') ? "" : "\n\tinstaller.configure_catalyst\n"
    post_install_line = podfile.filter_lines do |line| line.include? 'post_install' end.first
    
    if config.empty? 
      new_post_install_line = post_install_line + configure_line
    else
      new_post_install_line = "#{config}\n\n" + post_install_line + configure_line
    end

    podfile.gsub! post_install_line, new_post_install_line
  end

  unless podfile.nil? 
    File.open('Podfile', "w") { |file| file << podfile }
  end

  if changed 
    puts 'Done! Checkout your Podfile to start configuring your macCatalyst dependencies'
  else
    puts 'It seems your Podfile is ready. Go ahead and start configuring your macCatalyst dependencies'
  end
end

# File lib/cocoapods-catalyst-support/utils.rb, line 17
def loggs string
  if $verbose
    puts string
  end
  return
end

# File lib/cocoapods-catalyst-support/command_helpers.rb, line 96
def validate_podfile
  podfile = File.read('Podfile')
  errors = []

  unless podfile.match(/require\s+[('|")]cocoapods-catalyst-support[('|")]/)
    errors << "- Are you missing `require cocoapods-catalyst-support` in your Podfile".red
  end

  unless podfile.match(/catalyst_configuration\s+do/)
    errors << "- Are you missing `require cocoapods-catalyst-support` in your Podfile".red
  end

  unless podfile.match(/post_install[\S\s]+installer[\S\s]configure_catalyst/)
    errors << "- Are you calling `configure_catalyst` from `post_install` phase?".red
  end

  pod_errors = podfile.validate
  unless pod_errors.empty?
    errors << "#{pod_errors.reduce('') do |acc, s| "#{acc}\n#{s}" end }"
  end

  unless errors.empty?
    raise ValidationError.new "Your catalyst configuration seems to have some errors:\n#{errors.join}"
  end

end